Altitude: A vertical distance measured from a known level on the surface of a planet or other celestial body.Flight, Animal: The use of wings or wing-like appendages to remain aloft and move through the air.Altitude Sickness: Multiple symptoms associated with reduced oxygen at high ALTITUDE.Mountaineering: A sport involving mountain climbing techniques.Acclimatization: Adaptation to a new environment or to a change in the old.Space Flight: Travel beyond the earth's atmosphere.Tibet: An autonomous region located in central Asia, within China.Anoxia: Relatively complete absence of oxygen in one or more tissues.Atmospheric Pressure: The pressure at any point in an atmosphere due solely to the weight of the atmospheric gases above the point concerned.BoliviaExpeditions: Usually refers to planned scientific data-gathering excursions.Aerospace Medicine: That branch of medicine dealing with the studies and effects of flight through the atmosphere or in space upon the human body and with the prevention or cure of physiological or psychological malfunctions arising from these effects. (from NASA Thesaurus)Pulmonary Edema: Excessive accumulation of extravascular fluid in the lung, an indication of a serious underlying disease or disorder. Pulmonary edema prevents efficient PULMONARY GAS EXCHANGE in the PULMONARY ALVEOLI, and can be life-threatening.Aircraft: A weight-carrying structure for navigation of the air that is supported either by its own buoyancy or by the dynamic action of the air against its surfaces. (Webster, 1973)Atmosphere Exposure Chambers: Experimental devices used in inhalation studies in which a person or animal is either partially or completely immersed in a chemically controlled atmosphere.Oxygen: An element with atomic symbol O, atomic number 8, and atomic weight [15.99903; 15.99977]. It is the most abundant element on earth and essential for respiration.Adaptation, Physiological: The non-genetic biological changes of an organism in response to challenges in its ENVIRONMENT.NepalAcetazolamide: One of the CARBONIC ANHYDRASE INHIBITORS that is sometimes effective against absence seizures. It is sometimes useful also as an adjunct in the treatment of tonic-clonic, myoclonic, and atonic seizures, particularly in women whose seizures occur or are exacerbated at specific times in the menstrual cycle. However, its usefulness is transient often because of rapid development of tolerance. Its antiepileptic effect may be due to its inhibitory effect on brain carbonic anhydrase, which leads to an increased transneuronal chloride gradient, increased chloride current, and increased inhibition. (From Smith and Reynard, Textbook of Pharmacology, 1991, p337)PeruIndians, South American: Individual members of South American ethnic groups with historic ancestral origins in Asia.WingHypocapnia: Clinical manifestation consisting of a deficiency of carbon dioxide in arterial blood.Respiration: The act of breathing with the LUNGS, consisting of INHALATION, or the taking into the lungs of the ambient air, and of EXHALATION, or the expelling of the modified air which contains more CARBON DIOXIDE than the air taken in (Blakiston's Gould Medical Dictionary, 4th ed.). This does not include tissue respiration (= OXYGEN CONSUMPTION) or cell respiration (= CELL RESPIRATION).Oxygen Consumption: The rate at which oxygen is used by a tissue; microliters of oxygen STPD used per milligram of tissue per hour; the rate at which oxygen enters the blood from alveolar gas, equal in the steady state to the consumption of oxygen by tissue metabolism throughout the body. (Stedman, 25th ed, p346)Weightlessness: Condition in which no acceleration, whether due to gravity or any other force, can be detected by an observer within a system. It also means the absence of weight or the absence of the force of gravity acting on a body. Microgravity, gravitational force between 0 and 10 -6 g, is included here. (From NASA Thesaurus, 1988)Polycythemia: An increase in the total red cell mass of the blood. (Dorland, 27th ed)Wind: The motion of air relative to the earth's surface.Decompression: Decompression external to the body, most often the slow lessening of external pressure on the whole body (especially in caisson workers, deep sea divers, and persons who ascend to great heights) to prevent DECOMPRESSION SICKNESS. It includes also sudden accidental decompression, but not surgical (local) decompression or decompression applied through body openings.Blood Gas Analysis: Measurement of oxygen and carbon dioxide in the blood.Aviation: Design, development, manufacture, and operation of heavier-than-air AIRCRAFT.Carbonic Anhydrase Inhibitors: A class of compounds that reduces the secretion of H+ ions by the proximal kidney tubule through inhibition of CARBONIC ANHYDRASES.Carbon Dioxide: A colorless, odorless gas that can be formed by the body and is necessary for the respiration cycle of plants and animals.Lagomorpha: An order of small mammals comprising two families, Ochotonidae (pikas) and Leporidae (RABBITS and HARES). Head and body length ranges from about 125 mm to 750 mm. Hares and rabbits have a short tail, and the pikas lack a tail. Rabbits are born furless and with both eyes and ears closed. HARES are born fully haired with eyes and ears open. All are vegetarians. (From Nowak, Walker's Mammals of the World, 5th ed, p539-41)Hemoglobins: The oxygen-carrying proteins of ERYTHROCYTES. They are found in all vertebrates and some invertebrates. The number of globin subunits in the hemoglobin quaternary structure differs between species. Structures range from monomeric to a variety of multimeric arrangements.Hematocrit: The volume of packed RED BLOOD CELLS in a blood specimen. The volume is measured by centrifugation in a tube with graduated markings, or with automated blood cell counters. It is an indicator of erythrocyte status in disease. For example, ANEMIA shows a low value; POLYCYTHEMIA, a high value.Oximetry: The determination of oxygen-hemoglobin saturation of blood either by withdrawing a sample and passing it through a classical photoelectric oximeter or by electrodes attached to some translucent part of the body like finger, earlobe, or skin fold. It includes non-invasive oxygen monitoring by pulse oximetry.Astronauts: Members of spacecraft crew including those who travel in space, and those in training for space flight. (From Webster, 10th ed; Jane's Aerospace Dictionary, 3d ed)GeeseLepidium: A plant genus of the family BRASSICACEAE growing in Peru mountains. It is the source of maca root.Pulmonary Ventilation: The total volume of gas inspired or expired per unit of time, usually measured in liters per minute.Travel Medicine: Multidisciplinary field focusing on prevention of infectious diseases and patient safety during international TRAVEL. Key element of patient's pre-travel visit to the physician is a health risk assessment.Hypertension, Pulmonary: Increased VASCULAR RESISTANCE in the PULMONARY CIRCULATION, usually secondary to HEART DISEASES or LUNG DISEASES.Cell Engineering: Methods and techniques used to modify or select cells and develop conditions for growing cells for biosynthetic production of molecules (METABOLIC ENGINEERING), for generation of tissue structures and organs in vitro (TISSUE ENGINEERING), or for other BIOENGINEERING research objectives.Birds: Warm-blooded VERTEBRATES possessing FEATHERS and belonging to the class Aves.Pulmonary Circulation: The circulation of the BLOOD through the LUNGS.Athletic Performance: Carrying out of specific physical routines or procedures by one who is trained or skilled in physical activity. Performance is influenced by a combination of physiological, psychological, and socio-cultural factors.Radar: A system using beamed and reflected radio signals to and from an object in such a way that range, bearing, and other characteristics of the object may be determined.Skiing: A snow sport which uses skis to glide over the snow. It does not include water-skiing.Meteorology: The science of studying the characteristics of the atmosphere such as its temperature, density, winds, clouds, precipitation, and other atmospheric phenomena and aiming to account for the weather in terms of external influences and the basic laws of physics. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed)Travel: Aspects of health and disease related to travel.Frostbite: Damage to tissues as the result of low environmental temperatures.Cyperaceae: The sedge plant family of the order Cyperales, subclass Commelinidae, class Liliopsida (monocotyledons)Physical Exertion: Expenditure of energy during PHYSICAL ACTIVITY. Intensity of exertion may be measured by rate of OXYGEN CONSUMPTION; HEAT produced, or HEART RATE. Perceived exertion, a psychological measure of exertion, is included.Partial Pressure: The pressure that would be exerted by one component of a mixture of gases if it were present alone in a container. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed)Temazepam: A benzodiazepine that acts as a GAMMA-AMINOBUTYRIC ACID modulator and anti-anxiety agent.Pulmonary Artery: The short wide vessel arising from the conus arteriosus of the right ventricle and conveying unaerated blood to the lungs.Pectoralis Muscles: The pectoralis major and pectoralis minor muscles that make up the upper and fore part of the chest in front of the AXILLA.Exercise: Physical activity which is usually regular and done with the intention of improving or maintaining PHYSICAL FITNESS or HEALTH. Contrast with PHYSICAL EXERTION which is concerned largely with the physiologic and metabolic response to energy expenditure.Chiroptera: Order of mammals whose members are adapted for flight. It includes bats, flying foxes, and fruit bats.ColoradoTime Factors: Elements of limited time intervals, contributing to particular results or situations.Heart Rate: The number of times the HEART VENTRICLES contract per unit of time, usually per minute.Air Pressure: The force per unit area that the air exerts on any surface in contact with it. Primarily used for articles pertaining to air pressure within a closed environment.Cold Climate: A climate characterized by COLD TEMPERATURE for a majority of the time during the year.Retinal Hemorrhage: Bleeding from the vessels of the retina.Splenic Infarction: Insufficiency of arterial or venous blood supply to the spleen due to emboli, thrombi, vascular torsion, or pressure that produces a macroscopic area of necrosis. (From Stedman, 25th ed)Fetal Hypoxia: Deficient oxygenation of FETAL BLOOD.Biomechanical Phenomena: The properties, processes, and behavior of biological systems under the action of mechanical forces.Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization: A mass spectrometric technique that is used for the analysis of large biomolecules. Analyte molecules are embedded in an excess matrix of small organic molecules that show a high resonant absorption at the laser wavelength used. The matrix absorbs the laser energy, thus inducing a soft disintegration of the sample-matrix mixture into free (gas phase) matrix and analyte molecules and molecular ions. In general, only molecular ions of the analyte molecules are produced, and almost no fragmentation occurs. This makes the method well suited for molecular weight determinations and mixture analysis.Pulmonary Gas Exchange: The exchange of OXYGEN and CARBON DIOXIDE between alveolar air and pulmonary capillary blood that occurs across the BLOOD-AIR BARRIER.Acute Disease: Disease having a short and relatively severe course.Energy Metabolism: The chemical reactions involved in the production and utilization of various forms of energy in cells.Bees: Insect members of the superfamily Apoidea, found almost everywhere, particularly on flowers. About 3500 species occur in North America. They differ from most WASPS in that their young are fed honey and pollen rather than animal food.Seasons: Divisions of the year according to some regularly recurrent phenomena usually astronomical or climatic. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed)Blood Circulation Time: Determination of the shortest time interval between the injection of a substance in the vein and its arrival at some distant site in sufficient concentration to produce a recognizable end result. It represents approximately the inverse of the average velocity of blood flow between two points.Carbolines: A group of pyrido-indole compounds. Included are any points of fusion of pyridine with the five-membered ring of indole and any derivatives of these compounds. These are similar to CARBAZOLES which are benzo-indoles.Sheep, Domestic: A species of sheep, Ovis aries, descended from Near Eastern wild forms, especially mouflon.Sports Medicine: The field of medicine concerned with physical fitness and the diagnosis and treatment of injuries sustained in exercise and sports activities.Ethiopia: An independent state in eastern Africa. Ethiopia is located in the Horn of Africa and is bordered on the north and northeast by Eritrea, on the east by Djibouti and Somalia, on the south by Kenya, and on the west and southwest by Sudan. Its capital is Addis Ababa.Blood Flow Velocity: A value equal to the total volume flow divided by the cross-sectional area of the vascular bed.Cockatoos: Large crested BIRDS in the family Cacatuidae, found in Australia, New Guinea, and islands adjacent to the Philippines. The cockatiel (species Nymphicus hollandicus) is much smaller.Respiratory Mechanics: The physical or mechanical action of the LUNGS; DIAPHRAGM; RIBS; and CHEST WALL during respiration. It includes airflow, lung volume, neural and reflex controls, mechanoreceptors, breathing patterns, etc.Climate: The longterm manifestations of WEATHER. (McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed)Plasma Volume: Volume of PLASMA in the circulation. It is usually measured by INDICATOR DILUTION TECHNIQUES.Acid-Base Equilibrium: The balance between acids and bases in the BODY FLUIDS. The pH (HYDROGEN-ION CONCENTRATION) of the arterial BLOOD provides an index for the total body acid-base balance.Geography: The science dealing with the earth and its life, especially the description of land, sea, and air and the distribution of plant and animal life, including humanity and human industries with reference to the mutual relations of these elements. (From Webster, 3d ed)Phonocardiography: Graphic registration of the heart sounds picked up as vibrations and transformed by a piezoelectric crystal microphone into a varying electrical output according to the stresses imposed by the sound waves. The electrical output is amplified by a stethograph amplifier and recorded by a device incorporated into the electrocardiograph or by a multichannel recording machine.Cerebrovascular Circulation: The circulation of blood through the BLOOD VESSELS of the BRAIN.Plethysmography, Impedance: Recording changes in electrical impedance between electrodes placed on opposite sides of a part of the body, as a measure of volume changes in the path of the current. (Stedman, 25th ed)Melopsittacus: A genus, commonly called budgerigars, in the family PSITTACIDAE. In the United States they are considered one of the five species of PARAKEETS.Hypertrophy, Right Ventricular: Enlargement of the RIGHT VENTRICLE of the heart. This increase in ventricular mass is often attributed to PULMONARY HYPERTENSION and is a contributor to cardiovascular morbidity and mortality.Hypercapnia: A clinical manifestation of abnormal increase in the amount of carbon dioxide in arterial blood.Regional Blood Flow: The flow of BLOOD through or around an organ or region of the body.Hypoxia-Inducible Factor-Proline Dioxygenases: Dioxygenase enzymes that specifically hydroxylate a PROLINE residue on the HYPOXIA-INDUCIBLE FACTOR 1, ALPHA SUBUNIT. They are OXYGEN-dependent enzymes that play an important role in mediating cellular adaptive responses to HYPOXIA.Insects: The class Insecta, in the phylum ARTHROPODA, whose members are characterized by division into three parts: head, thorax, and abdomen. They are the dominant group of animals on earth; several hundred thousand different kinds having been described. Three orders, HEMIPTERA; DIPTERA; and SIPHONAPTERA; are of medical interest in that they cause disease in humans and animals. (From Borror et al., An Introduction to the Study of Insects, 4th ed, p1)Grasshoppers: Plant-eating orthopterans having hindlegs adapted for jumping. There are two main families: Acrididae and Romaleidae. Some of the more common genera are: Melanoplus, the most common grasshopper; Conocephalus, the eastern meadow grasshopper; and Pterophylla, the true katydid.Body Weight: The mass or quantity of heaviness of an individual. It is expressed by units of pounds or kilograms.Sleep: A readily reversible suspension of sensorimotor interaction with the environment, usually associated with recumbency and immobility.Arterial Pressure: The blood pressure in the ARTERIES. It is commonly measured with a SPHYGMOMANOMETER on the upper arm which represents the arterial pressure in the BRACHIAL ARTERY.Homing Behavior: Instinctual patterns of activity related to a specific area including ability of certain animals to return to a given place when displaced from it, often over great distances using navigational clues such as those used in migration (ANIMAL MIGRATION).Blood Pressure: PRESSURE of the BLOOD on the ARTERIES and other BLOOD VESSELS.Rest: Freedom from activity.Muscle, Skeletal: A subtype of striated muscle, attached by TENDONS to the SKELETON. Skeletal muscles are innervated and their movement can be consciously controlled. They are also called voluntary muscles.Dehydroepiandrosterone Sulfate: The circulating form of a major C19 steroid produced primarily by the ADRENAL CORTEX. DHEA sulfate serves as a precursor for TESTOSTERONE; ANDROSTENEDIONE; ESTRADIOL; and ESTRONE.Ecosystem: A functional system which includes the organisms of a natural community together with their environment. (McGraw Hill Dictionary of Scientific and Technical Terms, 4th ed)Disease Susceptibility: A constitution or condition of the body which makes the tissues react in special ways to certain extrinsic stimuli and thus tends to make the individual more than usually susceptible to certain diseases.Hyperventilation: A pulmonary ventilation rate faster than is metabolically necessary for the exchange of gases. It is the result of an increased frequency of breathing, an increased tidal volume, or a combination of both. It causes an excess intake of oxygen and the blowing off of carbon dioxide.Species Specificity: The restriction of a characteristic behavior, anatomical structure or physical system, such as immune response; metabolic response, or gene or gene variant to the members of one species. It refers to that property which differentiates one species from another but it is also used for phylogenetic levels higher or lower than the species.Pregnancy: The status during which female mammals carry their developing young (EMBRYOS or FETUSES) in utero before birth, beginning from FERTILIZATION to BIRTH.Papilledema: Swelling of the OPTIC DISK, usually in association with increased intracranial pressure, characterized by hyperemia, blurring of the disk margins, microhemorrhages, blind spot enlargement, and engorgement of retinal veins. Chronic papilledema may cause OPTIC ATROPHY and visual loss. (Miller et al., Clinical Neuro-Ophthalmology, 4th ed, p175)SulfonesOxygen Inhalation Therapy: Inhalation of oxygen aimed at restoring toward normal any pathophysiologic alterations of gas exchange in the cardiopulmonary system, as by the use of a respirator, nasal catheter, tent, chamber, or mask. (From Dorland, 27th ed & Stedman, 25th ed)Diptera: An order of the class Insecta. Wings, when present, number two and distinguish Diptera from other so-called flies, while the halteres, or reduced hindwings, separate Diptera from other insects with one pair of wings. The order includes the families Calliphoridae, Oestridae, Phoridae, SARCOPHAGIDAE, Scatophagidae, Sciaridae, SIMULIIDAE, Tabanidae, Therevidae, Trypetidae, CERATOPOGONIDAE; CHIRONOMIDAE; CULICIDAE; DROSOPHILIDAE; GLOSSINIDAE; MUSCIDAE; TEPHRITIDAE; and PSYCHODIDAE. The larval form of Diptera species are called maggots (see LARVA).Charadriiformes: An order of BIRDS including over 300 species that primarily inhabit coastal waters, beaches, and marshes. They are comprised of shorebirds, gulls, and terns.Middle Cerebral Artery: The largest of the cerebral arteries. It trifurcates into temporal, frontal, and parietal branches supplying blood to most of the parenchyma of these lobes in the CEREBRAL CORTEX. These are the areas involved in motor, sensory, and speech activities.Air Movements: The motion of air currents.Weightlessness Simulation: Condition under normal Earth gravity where the force of gravity itself is not actually altered but its influence or effect may be modified and studied. (From ASGSB Bull 1992;5(2):27)Sheep: Any of the ruminant mammals with curved horns in the genus Ovis, family Bovidae. They possess lachrymal grooves and interdigital glands, which are absent in GOATS.Electrophysiological Processes: The functions and activities of living organisms or their parts involved in generating and responding to electrical charges .Respiratory Function Tests: Measurement of the various processes involved in the act of respiration: inspiration, expiration, oxygen and carbon dioxide exchange, lung volume and compliance, etc.Feathers: Flat keratinous structures found on the skin surface of birds. Feathers are made partly of a hollow shaft fringed with barbs. They constitute the plumage.Feeding Behavior: Behavioral responses or sequences associated with eating including modes of feeding, rhythmic patterns of eating, and time intervals.Blood Volume: Volume of circulating BLOOD. It is the sum of the PLASMA VOLUME and ERYTHROCYTE VOLUME.China: A country spanning from central Asia to the Pacific Ocean.Trees: Woody, usually tall, perennial higher plants (Angiosperms, Gymnosperms, and some Pterophyta) having usually a main stem and numerous branches.Lung: Either of the pair of organs occupying the cavity of the thorax that effect the aeration of the blood.Cosmic Radiation: High-energy radiation or particles from extraterrestrial space that strike the earth, its atmosphere, or spacecraft and may create secondary radiation as a result of collisions with the atmosphere or spacecraft.SwitzerlandVideo Recording: The storing or preserving of video signals for television to be played back later via a transmitter or receiver. Recordings may be made on magnetic tape or discs (VIDEODISC RECORDING).Heart Function Tests: Examinations used to diagnose and treat heart conditions.Purines: A series of heterocyclic compounds that are variously substituted in nature and are known also as purine bases. They include ADENINE and GUANINE, constituents of nucleic acids, as well as many alkaloids such as CAFFEINE and THEOPHYLLINE. Uric acid is the metabolic end product of purine metabolism.Chronic Disease: Diseases which have one or more of the following characteristics: they are permanent, leave residual disability, are caused by nonreversible pathological alteration, require special training of the patient for rehabilitation, or may be expected to require a long period of supervision, observation, or care. (Dictionary of Health Services Management, 2d ed)Pulmonary Diffusing Capacity: The amount of a gas taken up, by the pulmonary capillary blood from the alveolar gas, per minute per unit of average pressure of the gradient of the gas across the BLOOD-AIR BARRIER.Accidents, AviationFresh Water: Water containing no significant amounts of salts, such as water from RIVERS and LAKES.Autonomic Nervous System: The ENTERIC NERVOUS SYSTEM; PARASYMPATHETIC NERVOUS SYSTEM; and SYMPATHETIC NERVOUS SYSTEM taken together. Generally speaking, the autonomic nervous system regulates the internal environment during both peaceful activity and physical or emotional stress. Autonomic activity is controlled and integrated by the CENTRAL NERVOUS SYSTEM, especially the HYPOTHALAMUS and the SOLITARY NUCLEUS, which receive information relayed from VISCERAL AFFERENTS.Analysis of Variance: A statistical technique that isolates and assesses the contributions of categorical independent variables to variation in the mean of a continuous dependent variable.Double-Blind Method: A method of studying a drug or procedure in which both the subjects and investigators are kept unaware of who is actually getting which specific treatment.Muscles: Contractile tissue that produces movement in animals.Fetal Development: Morphological and physiological development of FETUSES.Uterine Artery: A branch arising from the internal iliac artery in females, that supplies blood to the uterus.Water-Electrolyte Balance: The balance of fluid in the BODY FLUID COMPARTMENTS; total BODY WATER; BLOOD VOLUME; EXTRACELLULAR SPACE; INTRACELLULAR SPACE, maintained by processes in the body that regulate the intake and excretion of WATER and ELECTROLYTES, particularly SODIUM and POTASSIUM.Exercise Test: Controlled physical activity which is performed in order to allow assessment of physiological functions, particularly cardiovascular and pulmonary, but also aerobic capacity. Maximal (most intense) exercise is usually required but submaximal exercise is also used.Temperature: The property of objects that determines the direction of heat flow when they are placed in direct thermal contact. The temperature is the energy of microscopic motions (vibrational and translational) of the particles of atoms.Drosophila melanogaster: A species of fruit fly much used in genetics because of the large size of its chromosomes.Homeostasis: The processes whereby the internal environment of an organism tends to remain balanced and stable.Drinking: The consumption of liquids.Arteries: The vessels carrying blood away from the heart.Fathers: Male parents, human or animal.Dehydroepiandrosterone: A major C19 steroid produced by the ADRENAL CORTEX. It is also produced in small quantities in the TESTIS and the OVARY. Dehydroepiandrosterone (DHEA) can be converted to TESTOSTERONE; ANDROSTENEDIONE; ESTRADIOL; and ESTRONE. Most of DHEA is sulfated (DEHYDROEPIANDROSTERONE SULFATE) before secretion.Ranunculus: A plant genus of the family RANUNCULACEAE that contains protoanemonin, anemonin, and ranunculin.Reference Values: The range or frequency distribution of a measurement in a population (of organisms, organs or things) that has not been selected for the presence of disease or abnormality.Echolocation: An auditory orientation mechanism involving the emission of high frequency sounds which are reflected back to the emitter (animal).Pulmonary Wedge Pressure: The blood pressure as recorded after wedging a CATHETER in a small PULMONARY ARTERY; believed to reflect the PRESSURE in the pulmonary CAPILLARIES.Columbidae: Family in the order COLUMBIFORMES, comprised of pigeons or doves. They are BIRDS with short legs, stout bodies, small heads, and slender bills. Some sources call the smaller species doves and the larger pigeons, but the names are interchangeable.Hemodynamics: The movement and the forces involved in the movement of the blood through the CARDIOVASCULAR SYSTEM.Phylogeny: The relationships of groups of organisms as reflected by their genetic makeup.Cardiovascular System: The HEART and the BLOOD VESSELS by which BLOOD is pumped and circulated through the body.Running: An activity in which the body is propelled by moving the legs rapidly. Running is performed at a moderate to rapid pace and should be differentiated from JOGGING, which is performed at a much slower pace.Erythrocyte Volume: Volume of circulating ERYTHROCYTES . It is usually measured by RADIOISOTOPE DILUTION TECHNIQUE.Androstenedione: A delta-4 C19 steroid that is produced not only in the TESTIS, but also in the OVARY and the ADRENAL CORTEX. Depending on the tissue type, androstenedione can serve as a precursor to TESTOSTERONE as well as ESTRONE and ESTRADIOL.Acceleration: An increase in the rate of speed.Models, Biological: Theoretical representations that simulate the behavior or activity of biological processes or diseases. For disease models in living animals, DISEASE MODELS, ANIMAL is available. Biological models include the use of mathematical equations, computers, and other electronic equipment.Pulmonary Alveoli: Small polyhedral outpouchings along the walls of the alveolar sacs, alveolar ducts and terminal bronchioles through the walls of which gas exchange between alveolar air and pulmonary capillary blood takes place.Laser-Doppler Flowmetry: A method of non-invasive, continuous measurement of MICROCIRCULATION. The technique is based on the values of the DOPPLER EFFECT of low-power laser light scattered randomly by static structures and moving tissue particulates.Carotid Body: A small cluster of chemoreceptive and supporting cells located near the bifurcation of the internal carotid artery. The carotid body, which is richly supplied with fenestrated capillaries, senses the pH, carbon dioxide, and oxygen concentrations in the blood and plays a crucial role in their homeostatic control.Escape Reaction: Innate response elicited by sensory stimuli associated with a threatening situation, or actual confrontation with an enemy.Space Motion Sickness: Disorder characterized by nausea, vomiting, and dizziness, possibly in response to vestibular disorientation or fluid shifts associated with space flight. (From Webster's New World Dictionary)Vasoconstriction: The physiological narrowing of BLOOD VESSELS by contraction of the VASCULAR SMOOTH MUSCLE.Hypergravity: Condition wherein the force of gravity is greater than or is increased above that on the surface of the earth. This is expressed as being greater than 1 g.Cardiac Output: The volume of BLOOD passing through the HEART per unit of time. It is usually expressed as liters (volume) per minute so as not to be confused with STROKE VOLUME (volume per beat).Fetus: The unborn young of a viviparous mammal, in the postembryonic period, after the major structures have been outlined. In humans, the unborn young from the end of the eighth week after CONCEPTION until BIRTH, as distinguished from the earlier EMBRYO, MAMMALIAN.Vascular Resistance: The force that opposes the flow of BLOOD through a vascular bed. It is equal to the difference in BLOOD PRESSURE across the vascular bed divided by the CARDIAC OUTPUT.Organ Size: The measurement of an organ in volume, mass, or heaviness.Soccer: A game in which a round inflated ball is advanced by kicking or propelling with any part of the body except the hands or arms. The object of the game is to place the ball in opposite goals.Butterflies: Slender-bodies diurnal insects having large, broad wings often strikingly colored and patterned.Birth Weight: The mass or quantity of heaviness of an individual at BIRTH. It is expressed by units of pounds or kilograms.Polysomnography: Simultaneous and continuous monitoring of several parameters during sleep to study normal and abnormal sleep. The study includes monitoring of brain waves, to assess sleep stages, and other physiological variables such as breathing, eye movements, and blood oxygen levels which exhibit a disrupted pattern with sleep disturbances.Heart: The hollow, muscular organ that maintains the circulation of the blood.Lactic Acid: A normal intermediate in the fermentation (oxidation, metabolism) of sugar. The concentrated form is used internally to prevent gastrointestinal fermentation. (From Stedman, 26th ed)Decompression Sickness: A condition occurring as a result of exposure to a rapid fall in ambient pressure. Gases, nitrogen in particular, come out of solution and form bubbles in body fluid and blood. These gas bubbles accumulate in joint spaces and the peripheral circulation impairing tissue oxygenation causing disorientation, severe pain, and potentially death.Dexamethasone: An anti-inflammatory 9-fluoro-glucocorticoid.Gravitation: Acceleration produced by the mutual attraction of two masses, and of magnitude inversely proportional to the square of the distance between the two centers of mass. It is also the force imparted by the earth, moon, or a planet to an object near its surface. (From NASA Thesaurus, 1988)Manduca: A genus of sphinx or hawk moths of the family Sphingidae. These insects are used in molecular biology studies during all stages of their life cycle.Phosphodiesterase Inhibitors: Compounds which inhibit or antagonize the biosynthesis or actions of phosphodiesterases.Jet Lag Syndrome: A chronobiologic disorder resulting from rapid travel across a number of time zones, characterized by insomnia or hypersomnolence, fatigue, behavioral symptoms, headaches, and gastrointestinal disturbances. (From Cooper, Sleep, 1994, pp593-8)Songbirds: PASSERIFORMES of the suborder, Oscines, in which the flexor tendons of the toes are separate, and the lower syrinx has 4 to 9 pairs of tensor muscles inserted at both ends of the tracheal half rings. They include many commonly recognized birds such as CROWS; FINCHES; robins; SPARROWS; and SWALLOWS.Adrenal Glands: A pair of glands located at the cranial pole of each of the two KIDNEYS. Each adrenal gland is composed of two distinct endocrine tissues with separate embryonic origins, the ADRENAL CORTEX producing STEROIDS and the ADRENAL MEDULLA producing NEUROTRANSMITTERS.Physical Endurance: The time span between the beginning of physical activity by an individual and the termination because of exhaustion.Spacecraft: Devices, manned and unmanned, which are designed to be placed into an orbit about the Earth or into a trajectory to another celestial body. (NASA Thesaurus, 1988)Sleep Apnea Syndromes: Disorders characterized by multiple cessations of respirations during sleep that induce partial arousals and interfere with the maintenance of sleep. Sleep apnea syndromes are divided into central (see SLEEP APNEA, CENTRAL), obstructive (see SLEEP APNEA, OBSTRUCTIVE), and mixed central-obstructive types.Octopamine: An alpha-adrenergic sympathomimetic amine, biosynthesized from tyramine in the CNS and platelets and also in invertebrate nervous systems. It is used to treat hypotension and as a cardiotonic. The natural D(-) form is more potent than the L(+) form in producing cardiovascular adrenergic responses. It is also a neurotransmitter in some invertebrates.Locusta migratoria: A species of migratory Old World locusts, in the family ACRIDIDAE, that are important pests in Africa and Asia.Body Size: The physical measurements of a body.Selection, Genetic: Differential and non-random reproduction of different genotypes, operating to alter the gene frequencies within a population.Behavior, Animal: The observable response an animal makes to any situation.Placenta: A highly vascularized mammalian fetal-maternal organ and major site of transport of oxygen, nutrients, and fetal waste products. It includes a fetal portion (CHORIONIC VILLI) derived from TROPHOBLASTS and a maternal portion (DECIDUA) derived from the uterine ENDOMETRIUM. The placenta produces an array of steroid, protein and peptide hormones (PLACENTAL HORMONES).Uterus: The hollow thick-walled muscular organ in the female PELVIS. It consists of the fundus (the body) which is the site of EMBRYO IMPLANTATION and FETAL DEVELOPMENT. Beyond the isthmus at the perineal end of fundus, is CERVIX UTERI (the neck) opening into VAGINA. Beyond the isthmi at the upper abdominal end of fundus, are the FALLOPIAN TUBES.Prevalence: The total number of cases of a given disease in a specified population at a designated time. It is differentiated from INCIDENCE, which refers to the number of new cases in the population at a given time.Cold Temperature: An absence of warmth or heat or a temperature notably below an accustomed norm.
Inert gas asphyxiation
"2 - High Altitude Respiratory Physiology". USAF Flight Surgeon's Guide. USAF School of Aerospace Medicine. Archived from the ... Rather, they cause asphyxiation only when present in high enough concentration to lower the concentration of O2 in the inspired ... At an altitude over 43,000 ft (13,000 m), where the ambient oxygen concentration is equivalent to 3.6% at sea level, an average ... and nitrogen are inert gases that cause asphyxiation if present in high enough concentration to dilute O2 in the inspired air ...
Unknown parameter ,dio= ignored (help) Testa, J. (1990). "Collection of microparticles at high balloon altitudes in the ... NASA has a long-term stratospheric flight program to collect cosmic dust. The 1984 LDEF mission returned chondritic and iron- ... However, due to the high speeds and size of the particles that make up the coma and the area nearby, a dense solid-state ... This permits the ability to collect the cometary particles without damaging them due to high impact velocities. Particle ...
Glenn Elert (1997). "Altitude of the Highest Manned Balloon Flight". The Physics Factbook. Kristi Arellano (19 August 2005). " ... The flight was canceled due to design and weather problems. At the time, RE/MAX had 88 balloons, making it the largest hot air ... In 1998, RE/MAX CEO Dave Liniger attempted the first manned balloon flight around the world in a stratospheric gas balloon. ... John Rebchook (20 October 2009). "RE/MAX ranks high on franchise list". Denver Real Estate Watch. Retrieved 30 October 2015. ...
Malcolm Ross (balloonist)
"Altitude of the Highest Manned Balloon Flight". Retrieved 2011-01-26. Gregory P. Kennedy. Touching Space: The story of Project ... US Centennial of Flight Commission. "Higher, Farther, and Longer - Record Balloon Flights in the Second Part of the Twentieth ... 3 Post Flight Report (Report). Minneapolis, MN: Winzen Research. "Strato-Lab High #3, Pilot's Narrative Report of Flight," by ... United States Navy portal Charles B. Moore Felix Baumgartner Flight altitude record Manned balloon altitude records Project ...
Malcolm Ross, ascended in Strato-Lab High V from the flight deck of the USS Antietam (CV-36) to an altitude of 113,720 feet ( ... "CIA Notable Flights and Achievements, Part 7". Retrieved 2009-12-29. Herman, Jan (1995). "Stratolab: The Navy's High-Altitude ... United States Navy portal Flight altitude record Manned balloon altitude records Malcolm Ross The John F. Kennedy Presidential ... The altitude record for a manned balloon flight set by Prather and Ross in 1961 is still officially recognized by Fédération ...
"Physiological hazards of flight at high altitude". The Lancet. 362: s16-s17. doi:10.1016/S0140-6736(03)15059-3. Stewart, L. et ... A more severe long-term effect is the direct exposure to high energy photons (ultraviolet, X-ray, and gamma) and energized ... A key challenge has been the competing interests of increasing astronaut mobility (which is reduced by high-pressure EMUs, ... altitude equivalent. Less severe effects include the formation of nitrogen gas bubbles and consequent interference with organ ...
List of B-57 units of the United States Air Force
Used for high-altitude weather monitoring and occasionally fitted with cameras for clandestine strategic reconnaissance flights ... The RB-57D was a high-altitude strategic reconnaissance aircraft. 20 produced. Extended wing with higher thrust engine ... WB-57Ds used for high altitude atmospheric sampling for nuclear weapons testing/monitoring. WF-57Fs were remaining RB-57Fs re- ... Ten RB-57As were modified for high-altitude strategic reconnaissance over non-friendly areas under "Project Heartthrob". ...
Stratospheric aerosol injection (climate engineering)
Airliners could use lower-quality sulfur-rich fuels on higher altitudes. That approach would utilize regular flights and enable ... High-altitude balloons can be used to lift precursor gases, in tanks, bladders or in the balloons' envelope. Balloons can also ... To ensure endurance, higher-altitude delivery is needed, ensuring a typical endurance of several years by enabling injection ... PICATINNY ARSENAL DOVER N J. "PARAMETRIC STUDIES ON USE OF BOOSTED ARTILLERY PROJECTILES FOR HIGH ALTITUDE RESEARCH PROBES, ...
Alpine grizzled skipper
Survival at high altitudes: wheel-well passengers Aviat Space Environ Med. 1996 Aug;67(8):784-6 The 1996 study was updated and ... Two cases are known of people who survived at an altitude of about 38,000 feet (12,000 m) - a man on an 8-hour flight, whose ... The landing gear compartment is not equipped with heating, pressure or oxygen, which are vital for survival at a high altitude ... David Learmount, an aviation expert of Flight International, told BBC about a lot of ignorance in this area. He suggested that ...
Hot air balloon
2011 Somerset hot air balloon crash: On 1 January 2011, a hot air balloon attempting a high-altitude flight crashed at ... On November 26, 2005 Vijaypat Singhania set the world altitude record for highest hot air balloon flight, reaching 21,027 m ( ... Suspended beneath is a gondola or wicker basket (in some long-distance or high-altitude balloons, a capsule), which carries ... ISBN 978-1-908843-15-9. Tom D. Crouch (2009). Lighter Than Air "U.S. Centennial of Flight Commission: Early Balloon Flight in ...
Airborne wind turbine
... the higher velocity and persistence of wind at high altitudes, while avoiding the expense of tower construction, or the need ... Michael Specter, "Wind Power Takes Flight", The New Yorker May 20, 2013 behind paywall Levitan, David (2012-09-24). "High- ... High hopes Nature article High-altitude winds: The greatest source of concentrated energy on Earth (Stanford Report, June 2009) ... Airborne wind turbines may operate in low or high altitudes; they are part of a wider class of Airborne Wind Energy Systems ( ...
The Hardest Day
German aircraft were forced to fly higher and were denied the opportunity to drop to low altitude to take higher resolution ... Another pilot, Flight Lieutenant Dick Lee, a veteran of the Battle of France and a flying ace with nine victories was reported ... The high altitude and poor resolution of the photographs meant the aircraft on the ground could not be identified properly and ... Ju 88s from II./KG 76 were to dive-bomb buildings and hangars from high-altitude first. Five minutes later, 27 Do 17s from I. ...
Future of the Indian Air Force
The helicopter can operate from sea level to high altitudes of Himalayas. The DRDO of India is developing a Medium Altitude ... The flight trials have begun in September,2016. The helicopter is designed to carry out various utility roles such as ... and boost IAF's capability to support high-altitude posts in Siachen and Ladakh sectors. The helicopter will come with the ... It is being designed to fit into an anti-infantry and anti-armour role and will be capable to operate from altitudes of 6,500 ...
... but prefers higher altitudes. During winter, they descends to lower altitudes and move around in coveys. When approached from ... The flight is swift and will often make a whistling call in flight. They call several times while alighting and on settling ... This species is found in high-altitude regions of the Western Himalayas and the Tibetan Plateau, where it overlaps in part with ... In flight the secondaries show a broad white trailing edge. Smaller than Himalayan snowcock, this species has a grey head and ...
Mount Hotham Airport
The airport opened in 2000, and it is Australia's highest-altitude airport. Aircraft leased from operator. Airly requires an ... QantasLink formerly served Mount Hotham with Bombardier Q200s from Sydney, but ceased flights after the airline reported heavy ... initial subscription fee prior to flight booking. ...
Mexican free-tailed bat
They travel 50 km in a quick, direct flight pattern to feed. This species flies the highest among bats, at altitudes around ... Williams, T. C.; Ireland, L. C.; Williams, J. M. (1973). "High Altitude Flights of the Free-Tailed Bat, Tadarida brasiliensis, ... at high altitude: Links to migratory insect populations". Integrative and Comparative Biology. 48 (1): 107-18. doi:10.1093/icb/ ... Other species of high ecological value that inhabit the cavern are also being protected. Bat bomb, an experimental incendiary ...
Kristnan M., Anantha (13 August 2010). "India Develops Oxygen System for High-Altitude Helo Flights". Aviation Week. "HAL ... The ALH Mk-III with Shakti engines has very good high altitude performance operating at altitudes over 6 km. It comes with ... The Dhruv is capable of flying at high altitudes, as it was an Army requirement for the helicopter to be able operate in the ... In September 2007, the Dhruv Mk.3 was cleared for high-altitude flying in the Siachen Sector after six months of trials. In ...
Integrated high-altitude motor (HAM) which is liquid-fuelled. Depending on the actual payload configuration, the HAM fuel load ... On 17 May 2010, the missile was flight-tested successfully from Wheeler Island off the Orissa coast. The flight lasted 660 ... Overcome any perturbation due to high-altitude atmospheric disturbance. Enable use of body lift at hypersonic speed to glide ... high-altitude motor). There seems to be room in the RV for about 200 kg fuel (solid or liquid) after allowing for a long but ...
Lhasa Gonggar Airport
in English) "World's highest-altitude airport planned on Tibet". Xinhua News Agency. 12 January 2010. Archived from the ... All flights to and from the Lhasa Gonggar Airport are handled by seven Chinese-based airlines: Air China, China Eastern, China ... Konggar Airport in Tibet, one of the highest-altitude airports in China, was able to accommodate a Tibet Airlines wide-body ... Pilots landing at Lhasa Gonggar Airport must be specially trained in handling manoeuvres at landing at the high altitude of ...
Battle of Britain Day
Further flights were made by high altitude Ju 88s. One photographed RAF Sealand, RAF Pembrey and RAF Woodward. It also managed ... Interception of these high altitude aircraft was difficult, and none were lost on 15 September 1940. The offensive got underway ... High-altitude attacks were improbable. Possibly to create a reserve, Park ordered 41, 213 and 605 Squadrons to return early ... the device had not been tested at high altitude and when used, squirted black oil over Holmes' windshield and attracted the ...
Greater yellow-headed vulture
The flight of the greater yellow-headed is an example of static soaring flight, which uses thermals to maintain altitude ... It is not generally found in high-altitude regions. It is common in heavily forested regions. It may wander over grasslands, ... Flight is heavy and steady. It flies with its wings held flat or very slightly above horizontal, in what is called the dihedral ... The undersides of the wings are black, while the flight feathers are a lighter shade. The quills of the eleven primary feathers ...
List of Mikoyan-Gurevich MiG-21 variants
Ye-50 (1956) Swept-wing, experimental high-altitude interceptor. Ye-2 airframe modified to fit Dushkin S-155 rocket motor. ... Zaitseva set an altitude record for sustained level flight, at 19,020 m (62,401 ft). MiG-21U (1961; Izdeliye 66-400; NATO " ... Ye-50P (1958) Rocket-boosted high-altitude interceptor project, terminated before construction. MiG-21F (1959; Izdeliye 72; ... "Ye-33" (1965) A Ye-6U prototype was used by two women, N. A. Prokhanova and Lydia Zaitseva to set back-to-back altitude records ...
HAL Light Combat Helicopter
C at an altitude of 4.1 km. Several flights were also carried out to assess the rotorcraft's high altitude performance and low ... including relatively high altitude flight. Equipped with a two-person tandem cockpit to accommodate a pilot and co-pilot/gunner ... having repeatedly landed at several high altitude helipads, some of which being as high as 13,600 feet to 15,800 feet. During ... having repeatedly landed at several high altitude helipads, some of which being as high as 13,600 feet to 15,800 feet. During ...
Bombing of Gorky in World War II
Reconnaissance flights over Gorky began in the autumn of 1941. German planes flew at high altitude, braking over GAZ. The first ... From high altitude all that could be seen was the false village. On the Oka bridge, a different masking technique was used. For ... However, at that time, it was the only model of a high-altitude fighter in the arsenal of air defense. The wreckage of the ... His plane flew over the city at high altitude. Gorky Machine-Building, Sokol and Krasnoye Sormovo plants, as well as bridges ...
This is especially perilous for high-altitude fighter pilots. It is also why flight attendants instruct passengers, in case of ... High concentrations of carbon dioxide can also be used to kill pests. Liquid carbon dioxide is used in supercritical drying of ... High concentrations of CO2 produced by disturbance of deep lake water saturated with CO2 are thought to have caused 37 ... At very high concentrations (100 times atmospheric concentration, or greater), carbon dioxide can be toxic to animal life, so ...
... while the low-altitude interceptor FJ-2 completed some successful flight tests using scaled prototypes. A high altitude FJ-3 ... Another problem was high altitude EMP (whether from offensive or defensive nuclear warheads) which could degrade defensive ... The U.S. Terminal High Altitude Area Defense (THAAD) system began production in 2008. Its stated range as a short to ... From 1992 to 2000, a demonstration system for the US Army Terminal High Altitude Area Defense was deployed at White Sands ...
Framework Programmes for Research and Technological Development
... from strategical planning over pre-flight, in-flight and post-flight data provision. Since information management is an ... "Times Higher Education. Retrieved 16 March 2014.. *^ Amos, Jonathan. "Horizon 2020: UK launch for EU's £67bn research budget". ... Altitude Angel (UK), Boeing Research and Technology Europe (ES), C-Astral (SI), CRIDA (ES), INECO (ES), Jeppesen (DE) and the ... Horizon 2020 itself is seen as a policy instrument to implement other high-level policy initiatives of the European Union, such ...
High Altitude Medicine & Biology. 3 (2): 205-21. doi:10.1089/15270290260131939. PMID 12162864. Smith, Schevlin (Dec 29, 2013 ... response to the reduced levels of oxygen onboard commercial passenger flights. Ciulla MM, Cortiana M, Silvestris I, et al. ( ... Most of these systems have not been cleared for medical applications by the FDA and are used by athletes for altitude training ... 2007). "Effects of simulated altitude (normobaric hypoxia) on cardiorespiratory parameters and circulating endothelial ...
Space Flight Mechanics Conference. Archived from the original (PDF) on 2007-10-25.. ... Typical Sun-synchronous orbits around Earth are about 600-800 km in altitude, with periods in the 96-100-minute range, and ... due to higher order perturbations in the Earth's gravitational field, the pressure of sunlight, and other causes. Earth ... Sun-synchronous orbits are mostly selected for Earth observation satellites, with an altitude typically between 600 and 1000 km ...
"Black wildebeest skeletal muscle exhibits high oxidative capacity and a high proportion of type IIx fibres". Journal of ... Bassi, J. (2013). Pilot in the Wild: Flights of Conservation and Survival. South Africa: Jacana Media. pp. 116-8. ISBN 978-1- ... The altitudes in these areas vary from 1,350-2,150 m (4,430-7,050 ft). The herds are often migratory or nomadic, otherwise ... The number of females per herd is variable, generally ranging from 14 to 32, but is highest in the densest populations ...
... because the radar beam becomes progressively higher in altitude further away from the radar, chiefly due to curvature of Earth ... "Flight Briefing Notes: Adverse Weather Operations Optimum Use of Weather Radar" (PDF). SKYbrary. p. 2. Retrieved 2009-11-19 ... The highest wind speed ever measured in a tornado, which is also the highest wind speed ever recorded on the planet, is 301 ± ... NOAA's has a higher average 100 per year in Canada. The Netherlands has the highest average number of recorded tornadoes ...
412th Test Wing
416th Flight Test Squadron: (F-16). 419th Flight Test Squadron: (B-52H, B-1, B-2). 445th Flight Test Squadron: (Initial Flight ... The Low Altitude Navigation and Targeting Infrared for Night, or LANTIRN, system revolutionized air-to-ground combat operations ... The two prototype fighters were the first airplanes to blend stealth technology with agility and high-speed, supersonic cruise ... 461st Flight Test Squadron: (F-35 Lightning II). Global Reach (transport) 418th Flight Test Squadron: (C-130 and special ...
South West England
... because of their high altitude. Both of these factors also cause it to experience the highest levels of snowfall and the lowest ... Chard claims to be the birthplace of powered flight, in 1848 when the Victorian aeronautical pioneer John Stringfellow first ... The highest point of the region is High Willhays, at 2,038 feet (621 m), on Dartmoor. In North Devon the slates of the west ... Inland areas of low altitude experience the least amount of precipitation. They experience the highest summer maxima ...
Avro Canada VZ-9 Avrocar
Flight above the critical altitude proved dangerous if not nearly impossible due to inherent instability. The flight test ... These problems reduced maximum lift at higher altitudes out of the ground effect to 3,150 lb (1,430 kg), less than the empty ... Originally designed as a fighter-like aircraft capable of very high speeds and altitudes, the project was repeatedly scaled ... Army interest in the Avrocar program was apparently very high. Bernard Lindenbaum of the Air Force Flight Dynamics Laboratory ...
Most lifts in the area are high-speed quad chairs capable of holding four passengers. The highest lift on the mountain reaches ... Scheduled flight options are limited, due to the airport's somewhat short runway and frequent closures under bad weather, so ... Telluride gets decent precipitation all year due to its altitude, averaging 23 inches (58 cm) of rain and 177 inches (450 cm) ... Average high °F (°C) 37.5. (3.1) 39.5. (4.2) 44.5. (6.9) 52.9. (11.6) 62.6. (17.0) 73.2. (22.9) 77.5. (25.3) 74.7. (23.7) 68.1 ...
... and higher rates of mental health conditions in flight attendants. Radiation. Flight attendants and crew members are ... known to be exposed to cosmic ionizing radiation which is a form of radiation that comes from space and intensifies as altitude ... 2008: Happy Flight, which is about a copilot and flight attendant on an ANA flight to Hawaii. ... Vietnam Airlines flight attendants wear red áo dài and Air India flight attendants wear a Sari on all passenger flights. ...
North American B-25 Mitchell
A development of the B-25 was the North American XB-28, designed as a high-altitude bomber. Two prototypes were built with the ... Although the B-25 was originally designed to bomb from medium altitudes in level flight, it was used frequently in the ... No 13 (P) Squadron was formed unofficially at RCAF Rockcliffe in May 1944 and used Mitchell IIs on high-altitude aerial ... Flight characteristics. The B-25 was a safe and forgiving aircraft to fly. With one engine out, 60° banking turns ...
Average high °C (°F) 30.8. (87.4) 31.2. (88.2) 31.5. (88.7) 32.1. (89.8) 32.4. (90.3) 31.9. (89.4) 31.8. (89.2) 32.1. (89.8) ... Domestic flights are served to and from Jakarta, Bandung, Batam, Pangkal Pinang and other cities, as well as international ... which divides South Sumatra and is a mountainous area with an altitude of 900-1,200 meters above sea level. Barisan Hill ... The spear length is as high as an adult, which is around 180 cm and used to be used by Srivijaya royal warriors as the main ...
The P-39 performed poorly at high altitudes compared to newer, late-war designs. Most Allied forces thought the Airacobra ... First flight Number built Type Bell YFM-1 Airacuda 1937 13 Twin piston engine heavy fighter ... Bell dropped out of high school in 1912 to join his brother in the burgeoning aircraft industry at the Glenn L. Martin Company ... The P-39 has the highest total number of individual victories attributed to any U.S. fighter type, not kill ratio; Finnish ...
... but has extensive behavioral adaptations that enable it to nest in the open at high altitudes despite low ambient temperatures ... Virgin queens go on mating flights away from their home colony to a drone congregation area, and mate with multiple drones ... The highest documented mating frequency for an Apis queen is in Apis nigrocincta, where queens mate with an extremely high ... It usually builds single or a few exposed combs on high tree limbs, on cliffs, and sometimes on buildings. They can be very ...
پرتو کیهانی - ویکیپدیا، دانشنامهٔ آزاد
NASA Goddard Space Flight Center. Retrieved 17 March 2013.. *^ Hague, J. D. (July 2009). "Correlation of the Highest Energy ... Airline crews flying long distance high-altitude routes can be exposed to 2.2 mSv of extra radiation each year due to cosmic ... First, the direct detection of the primary cosmic rays in space or at high altitude by balloon-borne instruments. Second, the ... Direct detection is possible by all kind of particle detectors at the ISS, on satellites, or high-altitude balloons. However, ...
... higher survivorship as well as higher fecundity than the salamanders that had gone to the adult form in the higher altitude and ... Insects in cooler environments tend to show neoteny in flight because wings have a high surface area and lose heat quickly, ... Two common environments that tend to favor neoteny are high-altitude and cool environments because neotenous individuals have a ... high altitudes, isolation on islands, and insects that reside in colder climates. These environmental factors may be ...
... are actually highly specialised for their particular flight style, bearing extremely powerful flight muscles, and ... Many species of moderate altitudes-for example the long-tailed pheasants of the genus Syrmaticus-also find a great deal of ... A tentative list of the higher-level galliform taxa, listed in evolutionary sequence, is: ... By contrast, the stem-galliform Scopelortyx appears to have been more aerial than modern fowl, with a flight style more suited ...
Providence, Rhode Island
... and highs rising to 90 °F (32 °C) or higher an average of 10 days per summer. Extremes range from −17 °F or −27.2 °C on ... on which it is said that Roger Williams first landed after his tedious and painful flight from the persecutions of his ... Portrait of Providence from Altitude, 2010, aerial photos by Doc Searles. Links to related articles ... Average high °F (°C) 37.4. (3.0) 40.3. (4.6) 47.8. (8.8) 58.6. (14.8) 68.4. (20.2) 77.5. (25.3) 82.8. (28.2) 81.4. (27.4) 74.2 ...
At an average altitude of 1,500 metres (4,921 feet), the area includes the Goda massif, with a peak of 1,783 m (5,850 ft). It ... a b Highest Mountains in Djibouti Archived 16 October 2013 at the Wayback Machine. geonames.org ... serves many intercontinental routes with scheduled and chartered flights. Air Djibouti is the flag carrier of Djibouti and is ... The judicial system consists of courts of first instance, a High Court of Appeal, and a Supreme Court. The legal system is a ...
Lithium-sulfur batteries were used on the longest and highest solar-powered flight. ... Very high energy density. Very high drain capable. For many years considered obsolete due to high silver prices. Cell suffers ... Performs better than alkaline batteries in higher drain devices. Traditional chemistry has high energy density, but also a high ... High-/low-drain, moderate energy density. Can withstand very high discharge rates with virtually no loss of capacity. Moderate ...
... can be as high as 20-30 cm (7.9-11.8 in) high. Other mounds, known as rim craters, can be as high as 1 m. Dome craters and ... Prairie dogs live mainly at altitudes ranging from 2,000 to 10,000 ft above sea level. The areas where they live can get as ... If the alarm indicates a hawk diving toward the colony, all the prairie dogs in its flight path dive into their holes, while ... due to the high death rate of wild captures. Several zoos in Europe have stable prairie dog colonies that generate ...
Masks for high-altitude climbers. Oxygen masks are used by climbers of high peaks such as Mt. Everest. Because of the ... In the early years of commercial flight, before pressurized cabins were invented, airliner passengers sometimes had to wear ... An early 1919 high-altitude oxygen system used a vacuum flask of liquid oxygen to supply two people for one hour at 15,000 ft ( ... Windsor JS, Rodway GW (2006). "Supplemental oxygen and sleep at altitude". High Alt. Med. Biol. 7 (4): 307-11. doi:10.1089/ham. ...
The world's online database of high quality used glasses, ReSpectacle, retrieved 11 July 2017. ... may present some difficulties for pilots since reflections from water and other structures often used to gauge altitude may be ... Higher power lenses can cause distortion of peripheral vision and may become thick and heavy if a large lens shape is used. ... Used for physically active wearers, children, and people with high prescriptions (heavy lenses). See the image of 1920s ...
In the middle of the 14th century, the Early New High German (and later New High German) form of the name, Breslau, began to ... The city is served by Copernicus Airport Wrocław (airport code WRO) which handles flights from Ryanair, Wizz Air, Lufthansa, ... The Sky Tower (212 m) - tallest building in Poland with a vantage point at an altitude of 200 meters. ... Since the beginning of the 21st century, the city has had a developing high-tech sector. Many high-tech companies are located ...
Talk:Asiana Airlines Flight 214/Archive 2
Oxygen masks are primarily there if the cabin loses pressure at high altitude, as air at 40,000 feet is not breathable. If ... You think? Information from the flight data recorder showed that the pilots first increased engine power from flight idle at ... Maybe the aircraft operated a Shanghai-Seoul flight prior to departing to San Francisco, but if so, the flight number changed ( ... only 3 flight attendant seats were ejected from the aircraft with the flight attendants seated in them. A firefighter entering ...
Tor missile system
For reference, a McDonnell Douglas F-15 at an altitude of 6 km has a detection probability of 0.8 at this range. The ... The high performance computing system combined with a passive electronically scanned array radar are the main reasons for the ... Flight ceiling. 6,000 metres (20,000 ft). Boost time. Cold launch ejection for 20 m. ... "Russia Unveils New High-Precision Air Defense System / Sputnik international". Retrieved 14 November 2014.. ...
Adam Air Flight 574
The highest number of complaints concerned the captain's side vertical speed indicator, which informs the air crew of the rate ... The altitude of the plane was shown as 35,000 feet (10,670 m) on the radar screen. ... Flight 172. Main article: Adam Air Flight 172. On 21 February 2007, just 51 days after the loss of Flight 574, Flight 172 ... Shortly after the crash, Adam Air changed the number of the regular Surabaya-Manado flight from Flight 574 to Flight 582. This ...
The Terminal High Altitude Area Defense) system in Korea, Chinese travel has dwindled drastically. "THAAD is supposed to shield ... Snow and frigid weather forced the cancellation of 1,200 flights on Jejudo, stranding approximately 90,300 passengers. ... Jeju is a volcanic island, dominated by Hallasan: a volcano 1,950 metres (6,400 ft) high and the highest mountain in South ... Average high °C (°F) −1.6. (29.1) 0.9. (33.6) 3.4. (38.1) 10.0. (50.0) 14.9. (58.8) 18.1. (64.6) 20.3. (68.5) 20.6. (69.1) 18.1 ...
as Laker aims low fares at the high-yield market ..., Flight International, 17 October 1981, p. 1126 ... The aim was to obtain information about the other aircraft's altitude to encourage that aircraft's crew to climb to their upper ... a b c Armstrong, P., The Flight of the Accountant: a Romance of Air and Credit, Flight to insolvency, 2005, pp. 17/8 ... a b c Armstrong, P., The Flight of the Accountant: a Romance of Air and Credit, Flight to insolvency, 2005, p. 14 ...
High-Altitude Balloon Flight to Carry APRS and Crossband Repeater
... TAGS: AMSAT News Service, aprs beacons, crossband repeater, ... Arizona Near Space Research plans to launch a high-altitude balloon flight, ANSR-81/ASCEND!-17, on March 29, 2014 at 0900 MST ( ... Observers can track the flight via APRS. Updates will be posted to the Yahoo! Ballooning forum. - AMSAT News Service via Allen ... dx, flights, hz tone, input, MHz, observers, payloads, priority, research, utc 03/28/2014 ...
High-Altitude Flight May Harm Pilot's Brain | Medpage Today
Military pilots exposed to high-altitude hypobaria had significant changes in white-matter hyperintensities in the brain, ... Source Reference: McGuire S, et al "White matter hyperintensities on MRI in high-altitude U-2 pilots" Neurology 2013; 81: 729- ... The findings are both intriguing and consistent with reports in high-altitude climbers, according to Gary Strangman, PhD, of ... Military pilots exposed to high-altitude hypobaria had significant changes in the number, volume, and distribution of white- ...
The Record-Breaking Flight of the Low-Cost, High-Altitude Forever Drone
... flies so high for so long that in many ways its more like an orbital spacecraft-but it costs just $6 million. ... Airbus continued refining the drone, pushing its altitude and endurance higher and higher. The 25-day flight in Arizona was a ... The Record-Breaking Flight of the Low-Cost, High-Altitude Forever Drone. ... "high-altitude pseudo-satellite"-a plane that flies so high for so long that in many ways its more like an orbital spacecraft. ...
American Made Swift High-Altitude-Long-Endurance UAS Completes Landmark First Flight
... completed its maiden flight. The only US-made platform in its class, Swifts flight team, performed a full-system check, ... Swift Engineerings high altitude long endurance (HALE) unmanned aerial system, ... American Made Swift High-Altitude-Long-Endurance UAS Completes Landmark First Flight. ... Swift Engineerings high altitude long endurance (HALE) unmanned aerial system, completed its maiden flight. The only US-made ...
The physiology and biomechanics of avian flight at high altitude.
... either during long-distance flights or by virtue of residence in high-elevation habitats. Among the many environmental features ... that vary systematically with altitude, five have significant consequences for avian flig ... Many birds fly at high altitude, either during long-distance flights or by virtue of residence in high-elevation habitats. ... During migratory flights, birds select flight altitudes that minimize energy expenditure via selection of advantageous tail- ...
Roller Coaster migratory flights of geese give unique insights into bird physiology and biomechanics at high altitudes -...
Roller Coaster migratory flights of geese give unique insights into bird physiology and biomechanics at high altitudes. ... These indicate that, as even horizontal flapping flight is relatively expensive at higher altitudes, it is generally more ... during their high altitude flights across the Tibetan plateau and Himalayan Mountains, have revealed how these birds cope with ... commonly assumed that bar-headed geese would fly to high altitudes relatively easily and then remain there during their flights ...
LineCraft TR : A Futuristic Aircraft Specializes In High Speed, Mid Altitude Flight - Tuvie
10 thoughts on "LineCraft TR : A Futuristic Aircraft Specializes In High Speed, Mid Altitude Flight" * ki. says: ... This aircraft is specialized in high speed and mid altitude flight. The giant air brakes are required to control the aircraft ... LineCraft TR : A Futuristic Aircraft Specializes In High Speed, Mid Altitude Flight. ... Tagged as air brakes, altitude flight, desert areas, futuristic aircraft, medium distances, speed brakes. You might be ...
Triad RF Systems Helps High Altitude Platform Leader Achieve Stratospheric Flight Test Success - RF Cafe
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The Uavos Company Has Successfully Tested High-Altitude Flight Of The Uvh-170 Unmanned Helicopter | GeoConnexion
The UVH-170 has successfully conducted its first high altitude flight reaching out to the height of 16,400ft (5000m). The ... The flight time was two hours and the climb rate over 1m/s… ... areas operations by flying surveillance missions at an altitude ... The UVH-170 has successfully conducted its first high altitude flight reaching out to the height of 16,400ft (5000m). The ... The Uavos Company Has Successfully Tested High-Altitude Flight Of The Uvh-170 Unmanned Helicopter. By GeoConnexion - 26th ...
Problems of vision in flight at high altitude - Enlighten: Theses
High altitude journeys and flights are associated with an increased risk of flares in inflammatory bowel disease patients -...
High altitude journeys and flights are associated with an increased risk of flares in inflammatory bowel disease patients ... 8/51 [15.7%], p=0.005). CONCLUSIONS: Journeys to high altitude regions and/or flights are a risk factor for IBD flare-ups ... 8/51 [15.7%], p=0.005). CONCLUSIONS: Journeys to high altitude regions and/or flights are a risk factor for IBD flare-ups ... High altitude journeys and flights are associated with an increased risk of flares in inflammatory bowel disease patients. ...
American Made Swift High-Altitude-Long-Endurance UAS Completes Landmark First Flight - sUAS News - The Business of Drones
Home HAPS American Made Swift High-Altitude-Long-Endurance UAS Completes Landmark First Flight ... American Made Swift High-Altitude-Long-Endurance UAS Completes Landmark First Flight. By ... Swift Engineerings high altitude long endurance (HALE) unmanned aerial system, completed its maiden flight. The only US-made ... validating the vehicles configuration for high-altitude continuous surveillance missions.. Through the collaboration with NASA ...
Genetic Adaptation Keeps Ethiopians Heart-Healthy Despite High Altitudes - ScienceBlog.com
Ethiopians have lived at high altitudes for thousands of years, providing a natural experiment for studying human adaptations ... Quantum simulation could help flights run on time. Failure of fed to increase community protections against ozone forces legal ... One factor that may enable Ethiopians to tolerate high altitudes and hypoxia is the endothelin receptor type B (EDNRB) gene. ... "This is the first demonstration that a gene involved in high altitude adaptation is critical in protecting cardiac function in ...
High-altitude balloon | aircraft | Britannica.com
... ballooning has continually achieved higher altitudes. From Charless 3,000-metre (10,000-foot) ascent in 1783 to U.S. Army Air ... Hawthorne C. Grays fatal ascent to 12,950 metres (42,470 feet) in 1927, the maximum altitude was only limited by… ... High-altitude balloon: Beginning with the 18th century, ... In balloon flight: High-altitude ballooning. Beginning with the ... ballooning has continually achieved higher altitudes. From Charless 3,000-metre (10,000-foot) ascent in 1783 to U.S. Army Air ...
High-altitude balloon - Wikipedia
Manned high-altitude balloons were used from the 1930s to 1960s for research and in seeking flight altitude records. Notable ... Amateur high-altitude ballooning. Payload of an amateur high-altitude balloon for scientific purposes. Embedded computer ... 3 Amateur high-altitude ballooning *3.1 Amateur radio high-altitude ballooning *3.1.1 ARHAB program ... GSBC, What is a High Altitude Balloon. Retrieved August 8, 2016. *^ UKHAS, A Beginners Guide to High Altitude Ballooning. ...
High Altitude Photography
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Terminal High Altitude Area Defense - Wikipedia
Successful THAAD Intercept Flight Archived 20 July 2006 at the Wayback Machine., 12 July 2006. Successful THAAD "High Endo- ... Terminal High Altitude Area Defense (THAAD), formerly Theater High Altitude Area Defense, is an American anti-ballistic missile ... "Terminal High Altitude Area Defense". MDA. 17 March 2009. Archived from the original on 26 March 2009. "Officials investigating ... On 16 October 2009, the U.S. Army and the Missile Defense Agency activated the second Terminal High Altitude Area Defense ...
High-Altitude Suits Keep Pressure on Pilots
Full-pressure suits are a vital second line of defense for pilots flying at high altitudes, keeping the pilot healthy and alert ... Sokolik heads the High Altitude Life Support Team at NASAs Dryden Flight Research Center in Edwards, California (California ... While pressure suits make high-altitude flight safer, wearing them is an exercise in patience and discipline, Sokolik says. ... Three High-Altitude Peoples, Three Adaptations to Thin Air (February 2004) *Hurricanes Plane Flies Into Storms To Sharpen ...
Search Results: 'altitude' - British Pathé
Flight Lieutenant M. J. Adam achieves British altitude record.. British Pathé. High Altitude Test Plant Opened (1958). Air ... Kenya: High Altitude Training Camp Opens For Olympic Athletic Team. (1976). A new high altitude... ... Interview Of Flight Lieutenant Adams After A New Altitude Record (1937). Flight Lieutenant Adams... ... World Altitude Record (1936). Squadron-Leader Swain attempts to fly higher than anyone in his aeroplane... ...
Altitude-Related Disorders: Background, Acute Mountain Sickness, Sleep at High Altitude
... thus acutely exposing passengers to high altitude. Cabin altitudes measured in more than 200 commercial flights found a median ... High-Altitude Retinal Hemorrhage. High-altitude retinal hemorrhages (HARHs) are relatively common at high altitude, occurring ... Wright A, Brearey S, Imray C. High hopes at high altitudes: pharmacotherapy for acute mountain sickness and high-altitude ... Special Populations at High Altitude. Large numbers of individuals go to high altitudes for work and recreation, and some ...
Persistent High Altitude Solar Aircraft | ExecutiveBiz
BAE Conducts Test Flight for PHASA-35 High-Altitude UAV Brenda Marie Rivers February 18, 2020 News ... Home/Tag: Persistent High Altitude Solar Aircraft. Tag Archives: Persistent High Altitude Solar Aircraft ... BAE Systems and Prismatic have partnered to develop a solar-powered, high-altitude, long endurance unmanned aerial vehicle that ... BAE Systems said Thursday the Persistent High Altitude Solar Aircraft-35 will be equipped with battery and solar cell ...
Space suit - Wikipedia
... such as high-altitude reconnaissance flight. At altitudes above the Armstrong limit, around 19,000 m (62,000 ft), water boils ... Stratos for high altitude flights, and Exos for orbital space flights. Each suit category has different requirements for ... The suit is a direct descendant of the United States Air Force high-altitude pressure suits worn by SR-71 Blackbird and U-2 spy ... Evgeniy Chertovsky created his full-pressure suit or high-altitude "skafandr" (скафандр) in 1931. (скафандр also means "diving ...
Altitude Sickness and Flights: Is There a Connection?
We explain the symptoms to watch for after a flight, and risk factors that may increase your chances for developing this mild, ... Can you get altitude sickness from air travel? ... High altitude begins at around 8,000 feet.. Airplanes fly at ... How is altitude sickness treated?. If youve flown to a location in a high altitude and your symptoms persist, your doctor will ... Talk to your doctor if youre concerned and are planning a long flight or traveling to a high altitude ...
High-altitude platform station - Wikipedia
"High Altitude Long Endurance-Demonstrator" (HALE-D), was built by Lockheed Martin and launched on a test flight on July 27, ... Radio Stations and Systems - Article 1.66A, definition: high altitude platform station  High-altitude platforms for wireless ... High-altitude airships can improve the militarys ability to communicate in remote areas such as those in Afghanistan, where ... "South Korean High-Altitude Airship (HAA) Envelope Test". Worldwide Aeros Corp. 30 August 2002. Archived from the original on 21 ...
Evening takeoff from Johnson Creek, ID in the Commander 520. - YouTube
High altitude takeoff at Big Bear with full fuel. stratobee * 33 Evening flight over the runways at LAX. stratobee ... High altitude takeoff at Big Bear with full fuel. - Duration: 3:36. stratobee 6,378 views ... Maintenance flight with deviation for weather. Controller at SMO loving the old girl! stratobee ...
Cold Gas Testing of a Thrust Optimized Parabolic Nozzle in a High Altitude Simulation Chamber - CSIR - NAL
Forward Flight Effects on Fan Noise from Supersonic 2-D Inlets. PIV Studies of Large Scale Structures in the Near Field of ... Home > Publication > Cold Gas Testing of a Thrust Optimized Parabolic Nozzle in a High Altitude Simulation Chamber Cold Gas ... Cold Gas Testing of a Thrust Optimized Parabolic Nozzle in a High Altitude Simulation Chamber. *Cold Gas Testing of a Thrust ... Cold Gas Dual-Bell Transition Tests in a High Altitude Simulation Chambe. ...
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Search Results - - 31,440 Results - Digital Library
Tests of Artificial Flight at High Altitudes Description: If we wish to form an accurate idea of the extraordinary progress ... Second, the mental capacity of the aviator must be tested at high altitudes and the limit known below which he is able to make ... Flight Tests on Airplanes Description: This report presents test procedures, methods, and instruments for flight testing of ... Development and Higher Education 1 1 Department of Counseling, Development, and Higher Education 1 1 Department of Educational ...
Page students learn STEM concepts in High Altitude Balloon Club
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HypoxiaAircraftManned and unmanned high-altitudePayloadRecord breaking8,000 feetPilotsSickness25,000 feet60,000 feetPhysiologyReconnaissanceAerodynamicsBalloonsPerson'sCommonlyFlownReach an altitudeTerms of altitudeCharacteristics2000Migratory flightsExposuresAirshipTravelingMissions62,000 ft2018AerospaceDecreasesRaspberry PiEnroute LowUnmanned aerialSymptomsAscentElevationsPopulationsHypoxicHelicopterStratosphereSearchEnergy expenditurePhysiologicalTakeoff20,000Long enduranceNASAEnduranceScaled CompositesLungsWindsAirplanePressure suitsTimeSquadronSolar-poweredNozzle
- Ethiopians have lived at high altitudes for thousands of years, providing a natural experiment for studying human adaptations to low oxygen, a condition known as hypoxia. (scienceblog.com)
- One factor that may enable Ethiopians to tolerate high altitudes and hypoxia is the endothelin receptor type B (EDNRB) gene. (scienceblog.com)
- This is the first demonstration that a gene involved in high altitude adaptation is critical in protecting cardiac function in moderate to severe hypoxia at sea level," said senior author Gabriel Haddad, MD, Distinguished Professor and chair of the Department of Pediatrics at UC San Diego School of Medicine and physician-in-chief and chief scientific officer at Rady Children's Hospital-San Diego. (scienceblog.com)
- Evolutionary Adaptation of Aquaporin-4 in Yak () Brain to High-Altitude Hypoxia of Qinghai-Tibetan Plateau. (bioportfolio.com)
- Still, the role of AQP4 in the adaptation to high-altitude hypoxia remains unknown. (bioportfolio.com)
- The effects of hypoxia were simulated in laboratory by means of an induced low pressure environment (normobaric hypoxia) or tested on the subjects at different levels of altitude (hypobaric hypoxia). (eurekaselect.com)
- Among its various types, stagnant hypoxia and hypoxic hypoxia are most common types associated with pathophysiology of a variety of cardiovascular disorders (CVDs) such as hypoxic milieu developing in veins due to reduced blood flow promotes thrombus formation [ 2 , 3 ], whereas, environmental hypoxia at high altitude exposures also promotes a prothrombotic tendency [ 4 , 5 ]. (intechopen.com)
- The training will familiarize pilots with the physiological aspects of high altitude flight, including discussions on physics of the atmosphere, respiration and circulation, hypoxia, hyperventilation, human factors, self-imposed stresses, trapped and evolved gas problems, aircraft decompressions, and oxygen equipment. (faa.gov)
- The training will give pilots an opportunity to experience their personal signs and symptoms of hypoxia in an altitude chamber. (faa.gov)
- Hypoxia is just one of the physiological problems that can impair pilots if they are not aware of the effects of decreased oxygen pressure at altitude. (faa.gov)
- Breathing air at reduced barometric pressure, malfunctioning oxygen equipment at altitude, drowning, pneumonia, extremes of environmental temperatures, and carbon monoxide are just a few of the causes of oxygen deficiency in the body that results in hypoxia. (faa.gov)
- The most common causes of hypoxia in aviation are: flying, non-pressurized aircraft above 10,000 ft without supplemental oxygen, rapid decompression during flight, pressurization system malfunction, or oxygen system malfunction. (faa.gov)
- This type of hypoxia is commonly called altitude hypoxia. (faa.gov)
- Pilots may experience hypoxic hypoxia when flying at altitude in an unpressurized aircraft. (faa.gov)
- The findings build off those of a prior study by the same group showing that neurologic decompression sickness is associated with increased white-matter hyperintensities among pilots of high-altitude U-2 reconnaissance aircraft . (medpagetoday.com)
- A new, high-flying kind of drone recently flew for 25 days straight over Arizona starting July 11, setting a world record for aircraft endurance while soaring as high as 70,000 feet over the desert. (thedailybeast.com)
- This aircraft is specialized in high speed and mid altitude flight. (tuvie.com)
- Thank Jim Sokolik and other life-support technicians for keeping the pilots of NASA's ER-2 high-altitude research aircraft safe and under pressure as the planes head into the upper reaches of Earth's atmosphere. (nationalgeographic.com)
- Plus, you'll also get an invaluable, downloadable High-Altitude Operations Cockpit Card-you'll have the critical rules for oxygen use in a pressurized aircraft and tips for radar operation easily at hand. (kingschools.com)
- This report presents test procedures, methods, and instruments for flight testing of aircraft. (unt.edu)
- see QNH) Absolute altitude is the height of the aircraft above the terrain over which it is flying. (wikipedia.org)
- Aircraft performance depends on density altitude, which is affected by barometric pressure, humidity and temperature. (wikipedia.org)
- On a very hot day, density altitude at an airport (especially one at a high elevation) may be so high as to preclude takeoff, particularly for helicopters or a heavily loaded aircraft. (wikipedia.org)
- A HALO (High Altitude Long Operation) aircraft is an aircraft designed to act as a very high altitude receiving and transmitting tower, circling a metropolitan area and providing broadband telecommunication service at data rates up to 5 Mbps to homes and up to 25 Mbps to business users with dedicated lines. (techtarget.com)
- The HALO aircraft flies at about a tenth of the lowest altitude of the LEO satellite. (techtarget.com)
- They hope to use high-altitude airships as a launch platform for rockets or hypersonic aircraft sent into space. (wired.com)
- An international team of scientists led by the Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research (AWI), is now conducting the first-ever scientific mission to the upper levels of the monsoon system, using a high-altitude research aircraft flying out of Nepal. (uni-mainz.de)
- For the implementation on board of the high altitude aircraft they developed nine instruments measuring physical and chemical characteristics of dust particles and clouds. (uni-mainz.de)
- Four other instruments on board the aircraft measure the physical properties of droplets and ice crystals in high monsoon and cirrus clouds. (uni-mainz.de)
- A fixed-wing aircraft being developed by California-based Makani Power rotates at variable altitudes while tethered to a generator. (yale.edu)
- Over the next few days a flotilla of ships and aircraft arrived to assist the search operation, including a French nuclear submarine and a research vessel withan unmanned deep-water submersible that were dispatched to find the flight data recorder, or black box. (popularmechanics.com)
- WASHINGTON -- NASA has selected 21 space technology payloads for flights on commercial reusable launch vehicles, balloons, and a commercial parabolic aircraft. (nasa.gov)
- Fourteen of these new payloads will ride on parabolic aircraft flights, which provide brief periods of weightlessness. (nasa.gov)
- AeroVironment has completed the initial flight of a solar-powered unmanned aircraft system under a partnership with Japanese company SoftBank. (executivebiz.com)
- Scaled Composites' Proteus high-altitude aircraft has completed a five-week government science mission throughout the Pacific Rim, capped by atmospheric measurements taken over the North Pole at 48,000 ft. (scaled.com)
- Total flight time was 123 hr. with no significant problems, and the aircraft was always within a day of its planned schedule. (scaled.com)
- The final sortie for this system was flown by the 99th Expeditionary Reconnaissance Squadron - one of two high-altitude reconnaissance aircraft flying missions in support of defending the region. (dvidshub.net)
- As a rule, BfS staff members always accompany pilots and aircraft technicians of the Federal Police on measurement flights. (bfs.de)
- Angel Technologies Corporation (http://www.broadband.com) and its partners (Deskin Research Group, Endgate Corporation, Raytheon Systems Company, and Wyman Gordon Corporation) have committed significant resources to date to pioneering broadband wireless millimeter wavelength (MMW) services from piloted high-altitude, long-operation (HALO) aircraft. (isoc.org)
- The aircraft will fly above commercial airline traffic, at altitudes higher than 51,000 feet. (isoc.org)
- High-Altitude Long Operation (HALO) aircraft present a new layer in the hierarchy of wireless communications -- a 10-mile tall tower in the stratosphere above rain showers and below meteor showers (i.e., high above terrestrial towers and well below satellite constellations). (isoc.org)
- The aircraft, registration NX83GP, owned by private company Swift Air International, is often used for familiarization flights thank to its unique flight control characteristics. (theaviationist.com)
- This relatively minor anomaly underscores the challenges of flying older, exotic, former Eastern Bloc aircraft in the adversary familiarization and flight test role. (theaviationist.com)
- Demerly is an experienced parachutist, holds advanced SCUBA certifications, has climbed the highest mountains on three continents and visited all seven continents and has flown several types of light aircraft. (theaviationist.com)
Manned and unmanned high-altitude2
- Private companies such as zero2infinity and World View Enterprises are developing both manned and unmanned high-altitude balloons for scientific research, commercial purposes, and space tourism. (wikipedia.org)
- The retired system will be replaced with one that is currently flown on the RQ-4, enhancing the combined products of manned and unmanned high-altitude products. (dvidshub.net)
- The 25-day flight in Arizona was a triumph for Airbus' engineers, who had spent years balancing Zephyr's payload and power-consumption to boost its efficiency in the air. (thedailybeast.com)
- Payload of an amateur high-altitude balloon for scientific purposes. (wikipedia.org)
- Their first flight just barely missed the 100,000 foot (30,000 meter) mark and carried a simple payload package of cameras and GPS instruments and allowed them to reach their goal of photographing the Earth's curvature. (hackaday.com)
- Flight 2 had a similar payload but managed to blow through the 100K foot altitude, capturing stunning video of the weather balloon breaking. (hackaday.com)
- Their most recent flight carried a more complex payload package, consisting of the usual camera and GPS but also a flight data recorder of their own devising, as well as a pair of particle detectors to measure the change in flux of subatomic particles with increasing altitude. (hackaday.com)
- It is powered by twin turbofan engines and is designed to have an "efficient high-altitude loiter," to be easy to maneuver, and to sustain flight at altitudes as high as 60,000 feet for 14 hours with a payload of up to 2,000 pounds. (techtarget.com)
- An additional payload will fly on both a parabolic flight and a suborbital launch vehicle, and another will fly on both a suborbital launch vehicle and a high-altitude balloon platform. (nasa.gov)
- These payload flights are expected to take place now through 2015. (nasa.gov)
- The system is being replaced with a new, more advanced multi-platform technology," said Dennis Walker, Chief of Payload Section, U-2 Branch, C2ISR Division at Robins Air Force Base, Ga. Walker attended the final flight of the mission system. (dvidshub.net)
- Military pilots exposed to high-altitude hypobaria had significant changes in the number, volume, and distribution of white-matter hyperintensities in the brain, consistent with effects of microemboli, an imaging-based study showed. (medpagetoday.com)
- He prepares and maintains the full-pressure suits that inflate around pilots and keep their bodies under sufficient air pressure during flight emergencies. (nationalgeographic.com)
- X-15 plane reached record altitude & test pilots are. (britishpathe.com)
- but all pilots flying at high altitude should get this training. (kingschools.com)
- The U.S. Army, having learned in Afghanistan how perilous high-altitude helicopter operations can be, created a flight school in Colorado dedicated to teaching pilots how to fly at high altitude. (hospitalitylawyer.com)
- In other cases, when a helicopter is the best or only option, ensure that the service you use trains its pilots extensively in high-altitude operations. (hospitalitylawyer.com)
- Pilots who have extensive experience flying at sea level but no high-altitude training will likely endanger your evacuees. (hospitalitylawyer.com)
- At 10:35 pm local time, one of the co-pilots on the flight deck radioed Atlantico Area Control Center in Recife, Brazil, and announced that the plane had just reached a navigation waypoint called INTOL, situated 350 miles off the Brazilian coast. (popularmechanics.com)
- We also provide pamphlets and other handouts with information about how pilots can obtain formal training in post-crash survival and high-altitude physiology. (faa.gov)
- All too often, pilots tell me they don't need physiological training because they don't fly that high. (faa.gov)
- In my opinion, there exists a huge requirement for initial training in high-altitude physiology for all civilian pilots (including general aviation pilots intending to fly above 10,000 feet daytime and 5,000 feet a night). (faa.gov)
- This training is extremely important due to the large number of general aviation pilots who are unaware of the physiological problems that can affect their safety during flight. (faa.gov)
- Altitude Sickness and Flights: Is There a Connection? (healthline.com)
- Can You Get Altitude Sickness from Flying? (healthline.com)
- Altitude sickness (mountain sickness) is associated with mountain climbing and with being in high-elevation locations such as Mt. Everest or the mountains of Peru. (healthline.com)
- Altitude sickness can vary in severity. (healthline.com)
- Both men and women can get altitude sickness. (healthline.com)
- Age, general health, and physical condition do not affect your chances for altitude sickness. (healthline.com)
- Read on to learn more about altitude sickness and air travel. (healthline.com)
- What are the symptoms of altitude sickness? (healthline.com)
- Altitude sickness symptoms vary based upon the type of altitude sickness that you have. (healthline.com)
- What causes altitude sickness? (healthline.com)
- Altitude sickness is caused by a too-fast escalation in altitude. (healthline.com)
- Climbing or hiking up a mountain too quickly can cause altitude sickness to occur. (healthline.com)
- Who's at increased risk for altitude sickness from flying? (healthline.com)
- You may be more likely to get altitude sickness on flights if you're dehydrated. (healthline.com)
- Results from a 2007 study of 502 participants suggest that people under 60 may be more likely to get altitude sickness on airplanes than older individuals. (healthline.com)
- According to the Cleveland Clinic , age, sex, and general health do not seem to make a difference in risk for altitude sickness. (healthline.com)
- However, while general health may not be a risk factor for altitude sickness, high elevations could exacerbate heart or lung conditions. (healthline.com)
- How is altitude sickness diagnosed? (healthline.com)
- If you've flown in an airplane in the past one or two days, and have altitude sickness symptoms, let your doctor know. (healthline.com)
- There's no specific test used to diagnose mild altitude sickness, but your doctor may make this diagnosis if you're experiencing a headache, plus one other symptom of this condition. (healthline.com)
- How is altitude sickness treated? (healthline.com)
- Mild altitude sickness symptoms usually start to dissipate once the altitude level has been adjusted. (healthline.com)
- If you get mild altitude sickness on an airplane, your chances for full recovery are excellent provided you treat the condition quickly. (healthline.com)
- Incidence of high altitude-related sickness is increasing due to more number of people visiting the areas of high altitude which may result in life-threatening conditions including acute mountain sick. (bioportfolio.com)
- The largest response, an amazing 67 percent, affirmed that no, altitude sickness didn't affect them. (rvtravel.com)
- Perhaps we should have asked, "Have you ever traveled to a high elevation and been affected by altitude sickness? (rvtravel.com)
- It wasn't until Rosemary found some literature discussing altitude sickness did she make the connection between her misery and the elevation at which she was traveling. (rvtravel.com)
- Referring to our poll, one of them commented, "I selected NO I am not affected by altitude sickness. (rvtravel.com)
- Smoking and alcohol consumption increase the risk of dehydration and decrease respiration rate during sleep and can worsen symptoms of altitude sickness. (rvtravel.com)
- If you start showing symptoms of moderate altitude sickness, don't go any higher until they decrease-or descend a few hundred feet to a lower altitude. (rvtravel.com)
- Sometimes the symptoms of high-altitude sickness can mimic low or high blood sugar conditions. (rvtravel.com)
- In addition to undertaking the so-called "most dangerous flight in the world" from Kathmandu to Lukla airport, a two day trek at c. 3500m above sea level left Payne, a National Geographic young explorer, suffering from altitude sickness. (eurekalert.org)
- The physiology and biomechanics of avian flight at high altitude. (biomedsearch.com)
- According to an official 1991 FAA report, Civilian Training in High-Altitude Flight Physiology, "Some National Transportation Safety Board staff members have expressed a concern that high-altitude flight physiology training for civilian flight personnel should receive greater emphasis than it currently does. (faa.gov)
- Some of these requirements also apply to pressure suits worn for other specialized tasks, such as high-altitude reconnaissance flight. (wikipedia.org)
- The Alucia and a Remus 6000, an unmanned reconnaissance submarine, at the last-known position of Flight 447. (nytimes.com)
- The retired mission system has served the U.S. Air Force's Intelligence, Surveillance and Reconnaissance mission for over 40 years, providing high altitude ISR products to support national defense. (dvidshub.net)
- The shorter the shot and the slower a ball moves through the air, the altitude will have a lesser effect on golf ball aerodynamics. (titleist.com)
- Though the term "aerodynamics" is most commonly associated with airplanes and the overall science of flight, in fact, its application is much broader. (encyclopedia.com)
- The most common type of high-altitude balloons are weather balloons . (wikipedia.org)
- Manned high-altitude balloons were used from the 1930s to 1960s for research and in seeking flight altitude records . (wikipedia.org)
- Unmanned high-altitude balloons are used as research balloons . (wikipedia.org)
- High-altitude balloons have been considered for use in telecommunications and space tourism . (wikipedia.org)
- Amateur radio high-altitude ballooning ( ARHAB ) is the application of analog and digital amateur radio to weather balloons and was the name suggested by Ralph Wallio (amateur radio callsign W0RPK) for this hobby. (wikipedia.org)
- The sixth-, seventh- and eighth-graders in the group design and launch platforms that use balloons to soar high into the atmosphere. (candgnews.com)
- Some free-floating research balloons have gone higher. (wired.com)
- Will bacteria-laden high-altitude balloons help us find life on Mars? (raspberrypi.org)
- Three will ride on high-altitude balloons that fly above 65,000 feet. (nasa.gov)
- Sitting immobile on long plane flights can slightly increase a normal person's risk of blood clots in the legs, but associated medical issues usually contribute to it. (heart.org)
- That person's Dave "high-altitude ballooning" Akerman. (raspberrypi.org)
- This means being at a higher altitude increases a person's exposure. (cancer.org)
- Historically, it was commonly assumed that bar-headed geese would fly to high altitudes relatively easily and then remain there during their flights, possibly benefitting from a tailwind. (bangor.ac.uk)
- Although the term altitude is commonly used to mean the height above sea level of a location, in geography the term elevation is often preferred for this usage. (wn.com)
- It is commonly believed that golf balls fly farther at higher elevations, and there is a good reason for that: it's generally true. (titleist.com)
Reach an altitude2
- Although the actual figures are classified, THAAD missiles have an estimated range of 125 miles (200 km), and can reach an altitude of 93 miles (150 km). (wikipedia.org)
- I'm currently working on a Class 3 project for Balls next year, which should reach an altitude of around 250,000ft if all goes as planned. (rocketryforum.com)
Terms of altitude1
- Effect of mindfulness meditation protocol in subjects with various psychometric characteristics at high altitude. (bioportfolio.com)
- At high altitude, air density gradually decreases, which in turn degrades the lift characteristics of the rotor system and decreases the flight stability of airframes. (hospitalitylawyer.com)
- A high-altitude airship has a non-rigid hull. (swri.org)
- A ballast rotates the airship into a flight attitude (e.g., near horizontal) upon reaching a desired altitude. (swri.org)
- A low-powered propulsion system may be included to propel the airship at the desired altitude. (swri.org)
- SwRI designed the airship and provided the telemetry, flight control, power and propulsion systems. (netcomposites.com)
- HiSentinel is the first airship developed under the Composite Hull High Altitude Powered Platform (CHHAPP) program. (netcomposites.com)
- So can skiing in high elevations or traveling to a location that has a higher elevation than the area you're used to. (healthline.com)
- Traveling to higher altitudes shouldn't necessarily worry you, especially if your medical condition is well controlled, Gandy said. (heart.org)
- Just make sure you take care of yourself and your traveling companions by preparing for your trip to avoid any health hazards of high elevation travel. (rvtravel.com)
- SAN DIEGO -- Traveling at high altitudes -- be it a mountain vacation or an hour-long flight -- may put inflammatory bowel disease patients at risk for flares, researchers reported here. (medpagetoday.com)
- The only US-made platform in its class, Swift's flight team, performed a full-system check, validating the vehicle's configuration for high-altitude continuous surveillance missions. (yahoo.com)
- The UVH - 170 unmanned helicopter of UAVOS continues to prove its value to mountainous areas operations by flying surveillance missions at an altitude of 16,400ft (5000m) . (geoconnexion.com)
- In their initial flights they've racked up some successes and pushed the edge of space with interesting and varied missions. (hackaday.com)
- With a range of several hundred kilometers, the MdCN is suitable for missions of destruction of infrastructure of high strategic value. (globalsecurity.org)
- By making meaningful shifts between altitudes as needed within a given trajectory, World View's system may be able to support much longer balloon missions than previously possible. (aerotechnews.com)
- Paul De León, campaign manager for NASA's Flight Opportunities program, agrees that this technology has the potential to enable missions to be more efficient. (aerotechnews.com)
- Instead, the flimsy-looking vehicle with the 82-foot wingspan and two tiny propellers is what the aerospace industry calls a "high-altitude pseudo-satellite"-a plane that flies so high for so long that in many ways it's more like an orbital spacecraft. (thedailybeast.com)
- JP Aerospace president John Powell said in a statement that the group achieved flight with a dramatically smaller budget than the usual aerospace companies. (wired.com)
- The historic flight also marks the first time an aerospace program has successfully completed a manned mission without government sponsorship. (collectspace.com)
- Today's flight marks a critical turning point in the history of aerospace," said Rutan. (collectspace.com)
- In partnership with NASA's Ames Research Center , Swift Engineering's high altitude long endurance (HALE) unmanned aerial system, completed its maiden flight. (yahoo.com)
- Swift Engineering's high altitude long endurance (HALE) unmanned aerial system, getting ready for its maiden launch at New Mexico's Spaceport America. (yahoo.com)
- With longer stays at altitude, these symptoms improve in a process known as acclimatization. (medscape.com)
- This article describes the various medical problems associated with ascent to high altitude, amelioration of altitude-related symptoms through acclimatization, and treatment of the disorders when they occur. (medscape.com)
- Symptoms of AMS occur in nearly everyone if the ascent to altitude is too rapid. (medscape.com)
- Another early description from South America graphically portrays other symptoms in a severely affected altitude sojourner: "I got up and tried once more to go on but I was only able to advance one or two steps at a time, and then I had to stop, panting for breath, my struggles alternating with violent fits of nausea. (medscape.com)
- This group defined AMS as follows: "In the setting of a recent gain in altitude, the presence of headache and at least one of the following symptoms: gastrointestinal (anorexia, nausea or vomiting), fatigue or weakness, dizziness or lightheadedness, difficulty sleeping. (medscape.com)
- Few people experience significant symptoms below 7,000-8,000 ft (2130-2440 m), whereas most unacclimatized persons ascending to 10,000 ft (3,050 m) or higher experience at least a few symptoms. (medscape.com)
- Symptoms may begin after three to nine hours of flying at high elevations. (healthline.com)
- Drinking alcohol or caffeinated beverages before and during your flight can also increase your chances of experiencing symptoms. (healthline.com)
- Even lower elevations can be troublesome - so much so that a guide page for visitors to Colorado makes this note: "Visitors from lower elevations may feel a range of symptoms from the altitude, even at elevations as low as 5,000 ft. (rvtravel.com)
- A multitude of problems is associated with ascent to altitude. (medscape.com)
- Many factors affect the incidence and severity of AMS, such as the rate of ascent, altitude attained (especially altitude of sleep), duration of exposure to altitude, and possibly the amount or intensity of exercise undertaken at altitude. (medscape.com)
- Such compensatory mechanisms result in fairly constant power requirements for hovering at different elevations, but decrease the margin of excess power available for other flight behaviors. (biomedsearch.com)
- It is also sometimes said that the ball spins less at higher elevations. (titleist.com)
- And that, in a nutshell, is the first order of advice for those who plan on visiting higher elevations. (rvtravel.com)
- Some folks with certain health conditions are more susceptible to health issues when going to higher elevations. (rvtravel.com)
- Gut microbiota composition in Himalayan and Andean populations and its relationship with diet, lifestyle and adaptation to the high-altitude environment. (bioportfolio.com)
- The Challenge: Disease risk modeling can be an important tool for identifying areas of high transmission risk within and between animal populations, allowing for strategic allocation of limited resources for disease surveillance and prevention. (usgs.gov)
- Acquiring a spatial understanding of the distributions of high risk populations is a critical first step in developing predictive disease transmission. (usgs.gov)
- Growing populations place higher demands on water, while warmer winters and earlier springs reduce its supply. (pnas.org)
- In new research published today in the journal Royal Society Open Science , an international team of scientists examine how high altitude and the associated limited available energy affects the growth of long bones in Himalayan populations. (eurekalert.org)
- The yak () is the only large mammal that is currently known to have adapted to the high-altitude hypoxic environment of the Qinghai-Tibet Plateau (>4000 m above sea level). (bioportfolio.com)
- Tibetan chicken, a unique plateau breed, has a suite of adaptive features that enable it to tolerate the high-altitude hypoxic environment. (bioportfolio.com)
- Climbing at high altitude and tolerating hypoxic environment require specific physiological adaptations. (bioportfolio.com)
- BAE Systems has completed a flight test for a solar-powered unmanned aerial vehicle designed for long-duration flights in the stratosphere. (executivebiz.com)
- Flight operational tactics will be steadily evolved to achieve high availability of the node in the stratosphere. (isoc.org)
- Previously, technological challenges have limited the duration of balloon flights in the stratosphere due to the lack of trajectory control necessary for longer flights. (aerotechnews.com)
- Now, a system developed by World View Enterprises promises the capability to perform large altitude changes to achieve meaningful trajectory control of balloon flights in the stratosphere. (aerotechnews.com)
- Now a lot of payloads may be interested in altitude control so they can put their payloads in the stratosphere and gather data continuously. (aerotechnews.com)
- As far as I know, this is the first high-altitude balloon vehicle to perform a controlled altitude change of this magnitude within the stratosphere. (aerotechnews.com)
- With development dating back to 2012, the Stratollite's altitude control system is the result of extensive research into state-of-the-art methods to traverse the stratosphere while catching the varying directions of the winds needed by flights throughout the year. (aerotechnews.com)
- Animals that lived at high altitudes have evolved distinctive physiological traits that allow them to tolerate extreme high-altitude environment, including higher hemoglobin concentration, increased o. (bioportfolio.com)
- Physiological and genomic evidence that selection on the transcription factor Epas1 has altered cardiovascular function in high-altitude deer mice. (bioportfolio.com)
- Through the collaboration with NASA , the successful flight trials took place at New Mexico's Spaceport America . (yahoo.com)
- Usa: The Use Of High Altitude Photography By Nasa. (britishpathe.com)
- The Eclipse Ballooning Project Having learned of the Eclipse Ballooning Project set to take place today across the USA, a team at NASA couldn't miss the opportunity to harness the high-flying project for their own experiments. (raspberrypi.org)
- Additional commercial suborbital flight vendors under contract to NASA, including XCOR and Whittinghill, also will provide flight services. (nasa.gov)
- Soon thereafter, the U.S. wars in Afghanistan and Iraq opened a floodgate of interest in, and funding for, high-flying drones that could surveil for insurgents for longer than the roughly 24-hour endurance of a comparatively low-flying Predator drone. (thedailybeast.com)
- Airbus continued refining the drone, pushing its altitude and endurance higher and higher. (thedailybeast.com)
- Burt Rutan and his team at Scaled Composites are part of a new generation of explorers who are sparking the imagination of a huge number of people worldwide and ushering in the birth of a new industry of privately funded manned space flight. (collectspace.com)
- Further details of SpaceShipOne's history-making flight are expected to be posted to Scaled Composites website later this week. (collectspace.com)
- Scaled Composites in Mojave, California, a subsidiary of Wyman Gordon, is flight testing the HALO/Proteus "proof of concept" airplane at full scale, and its sister company, Scaled Technology Works in Montrose, Colorado, will type-certify the airplane through the Federal Aviation Administration and will be the series producer of the airplane. (isoc.org)
- This year, the club has also been looking at experiments involving organic materials including aloe leaves, seeds and a damp sponge to simulate what happens to lungs at different altitudes. (candgnews.com)
- It is a result of high blood pressure in the lungs related to certain heart defects present at birth (congenital). (stlouischildrens.org)
- SpaceX called off an attempted launch of its Falcon 9 rocket in California today (Feb. 21) due to strong high-altitude winds, according to the company's CEO, Elon Musk. (space.com)
- As far as predicting where it lands, there's https://en.wikipedia.org/wiki/Winds_aloft and a bunch of services that will predict the landing site for you. (hackaday.com)
- Winds are faster and more consistent the higher one climbs, maxing out in the jet streams at five miles and above. (yale.edu)
- How do you keep them aloft for long periods of time in high winds without having to perform frequent, costly maintenance? (yale.edu)
- The decision to adhere to the original flight plan was announced early this afternoon on the basis of new weather reports indicating that the clouds and gusty winds at White Sands should move out of the area by Monday. (nytimes.com)
- The forecast is for high-altitude clouds, light breezy winds and only occasional gusts. (nytimes.com)
- The 27-hour flight out of Page, Ariz., continued into California before maneuvering into westerly winds to guide the vehicle back toward Arizona. (aerotechnews.com)
- The cabin air pressure in an airplane is adjusted to compensate for these high altitudes. (healthline.com)
- Angel and Raytheon demonstrated a symmetric 51.8 Mbps link from a rooftop, tracking antenna to a general aviation airplane in flight at a slant range of about 25 miles, through which the data services highlighted in this paper were delivered. (isoc.org)
- It's equivalent to spending 12 seconds flying at cruising altitude on an airplane. (scienceblogs.com)
- The flight time was two hours and the climb rate over 1m/s was from 13,120ft to 16,400ft (4000m to 5000m). (geoconnexion.com)
- Join us on Wednesday at noon Pacific time for the high-altitude ballooning Hack Chat ! (hackaday.com)
- Chewing gum the entire time you are changing altitudes helps by causing you to swallow often. (medlineplus.gov)
- In some high altitude areas, alternative methods of evacuation-though they may take more time-may ultimately be a better choice for the safety of your evacuees. (hospitalitylawyer.com)
- I was disappointed the next time I flew, a European flight, because I expected a repeat of my walking-like-normal but it didn't happen. (thisisms.com)
- I very much trust Kate, as the altitude is unlocked on his system, and giving the data and coordinates real time is a nice feature, is there any other trackers that'll work at these altitudes? (rocketryforum.com)
- Try to reduce your time working on very long flights, flights at high latitudes, or flights which fly over the poles. (cdc.gov)
- In addition to its recording functions, the Inspire 2 also features advanced flight capabilities, including a top speed of 58 mph, 27 minutes of flight time, FPV capabilities, and more. (bhphotovideo.com)
- With the two included LiPo batteries onboard, up to 27 minutes of flight time can be had on a full charge. (bhphotovideo.com)
- Hernandez was in the right place and the right time when a rare Mikoyan-Gurevich MiG-15UTI made a pass at low altitude through a western canyon. (theaviationist.com)
- So your dose can be relatively insignificant, yet at the same time if you doctor doesn't take more strict precautions, their dose could easily end up 100x or 1000x higher over the course of a year. (scienceblogs.com)
- While in-flight caterers can source any protein requested, your choices should reflect your galley reheating equipment, length of flight, time of day of flight, and any personal or religious dietary restrictions. (universalweather.com)
- The seven-day test flight of the re-usable winged spaceship is now set to end at 2:27 P.M. Eastern standard time on a desert landing strip at the White Sands Missile Range in southern New Mexico. (nytimes.com)
- At a news conference this afternoon, Harold M. Draughon, a flight director, said, ''At the present time, we have every intention of having the end of the mission Monday. (nytimes.com)