Aviation: Design, development, manufacture, and operation of heavier-than-air AIRCRAFT.Accidents, AviationAerospace 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)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)Medical Errors: Errors or mistakes committed by health professionals which result in harm to the patient. They include errors in diagnosis (DIAGNOSTIC ERRORS), errors in the administration of drugs and other medications (MEDICATION ERRORS), errors in the performance of surgical procedures, in the use of other types of therapy, in the use of equipment, and in the interpretation of laboratory findings. Medical errors are differentiated from MALPRACTICE in that the former are regarded as honest mistakes or accidents while the latter is the result of negligence, reprehensible ignorance, or criminal intent.Mandatory Programs: Programs in which participation is required.Airports: Terminal facilities used for aircraft takeoff and landing and including facilities for handling passengers. (from McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed.)Renewable Energy: Forms of energy that are constantly and rapidly renewed by natural processes such as solar, ocean wave, and wind energy. (from McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed)Chemical Hazard Release: Uncontrolled release of a chemical from its containment that either threatens to, or does, cause exposure to a chemical hazard. Such an incident may occur accidentally or deliberately.Safety Management: The development of systems to prevent accidents, injuries, and other adverse occurrences in an institutional setting. The concept includes prevention or reduction of adverse events or incidents involving employees, patients, or facilities. Examples include plans to reduce injuries from falls or plans for fire safety to promote a safe institutional environment.NevadaChecklist: Aid for consistent recording of data such as tasks completed and observations noted.Risk Management: The process of minimizing risk to an organization by developing systems to identify and analyze potential hazards to prevent accidents, injuries, and other adverse occurrences, and by attempting to handle events and incidents which do occur in such a manner that their effect and cost are minimized. Effective risk management has its greatest benefits in application to insurance in order to avert or minimize financial liability. (From Slee & Slee: Health care terms, 2d ed)Inservice Training: On the job training programs for personnel carried out within an institution or agency. It includes orientation programs.Forensic Medicine: The application of medical knowledge to questions of law.Accidents, Occupational: Unforeseen occurrences, especially injuries in the course of work-related activities.Weather: The state of the ATMOSPHERE over minutes to months.

*  Aviation Safety Network > ASN Aviation Safety WikiBase > Geographical regions index > ASN Aviation Safety...
Aviation Safety Network: Databases containing descriptions of over 11000 airliner write-offs, hijackings and military aircraft ... You can add any aviation accident or incident you like: general aviation, military, helicopters etc. As long as they are not ...
  http://aviation-safety.net/wikibase/dblist.php?Country=N&page=418
*  Aviation Safety Network > ASN Aviation Safety WikiBase > Geographical regions index > ASN Aviation Safety...
Aviation Safety Network: Databases containing descriptions of over 11000 airliner write-offs, hijackings and military aircraft ... You can add any aviation accident or incident you like: general aviation, military, helicopters etc. As long as they are not ... United States Army Aviation. 0. near Monteria. w/o. 16-NOV-1987. Piper PA-28-140. ARC-401. Colombian Navy. 0. near Crespo. unk ...
  http://aviation-safety.net/wikibase/dblist.php?Country=HK&page=6
*  NBAA, Other Aviation Groups Call for Swift Passage of Senate's Sleep Apnea Bill | NBAA - National Business Aviation Association
Washington, DC, March 6, 2014 - The National Business Aviation Association (NBAA) joined a coalition of aviation groups this ... In the House of Representatives, Aviation Subcommittee Chairman Rep. Frank LoBiondo (R-2-NJ) and ranking aviation subcommittee ... General Aviation Manufacturers Association (GAMA); Helicopter Association International (HAI); National Agricultural Aviation ... including the NBAA Business Aviation Convention & Exhibition, the world's largest civil aviation trade show. Learn more about ...
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*  Aviation Safety Network > ASN Aviation Safety WikiBase > Geographical regions index > ASN Aviation Safety...
Aviation Safety Network: Databases containing descriptions of over 11000 airliner write-offs, hijackings and military aircraft ... You can add any aviation accident or incident you like: general aviation, military, helicopters etc. As long as they are not ... Carlson Ag Aviation, Inc.. 0. N. Ottawa Twp., MN. w/o. 28-AUG-1998. Dassault Falcon 20C. N126R. Reliant Airlines. 0. El Paso ... Heartland Aviation. 1+1. Seymour Twp., WI. w/o. 31-AUG-1998. Boeing 727-228F. N722DH. DHL Airways. 0. New York-John F. Kennedy ...
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*  Aviation Safety Network > ASN Aviation Safety WikiBase > Geographical regions index > ASN Aviation Safety...
Aviation Safety Network: Databases containing descriptions of over 11000 airliner write-offs, hijackings and military aircraft ... You can add any aviation accident or incident you like: general aviation, military, helicopters etc. As long as they are not ... Optimal Aviation Services. 0. Five Point-Agro-West Airport, CA. suw. 12-JAN-2017. Cessna 172S. N10897. Paragon Flight Training ... Higher Class Aviation Sport Hornet. N553P Private. 0. El Cajon-Gillespie Field, CA (SEE/KSEE). min. ...
  https://aviation-safety.net/wikibase/dblist.php?Country=N&sorteer=datekey_desc&page=13
*  Aviation Safety Network > ASN Aviation Safety WikiBase > Geographical regions index > ASN Aviation Safety...
Aviation Safety Network: Databases containing descriptions of over 11000 airliner write-offs, hijackings and military aircraft ... You can add any aviation accident or incident you like: general aviation, military, helicopters etc. As long as they are not ... Paul Peterson Aviation LLC. 0. near Tomah, Monroe County, Wisconsin. sub. 06-AUG-2014. Wood SLC. N2777F. Private. 0. Near Grand ... Jean Sport Aviation Center Airport (0L7), Jean, NV. min. 01-AUG-2014. Team Tango Foxtrot 4. N729AR. Private 0. Wittman Regional ...
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*  Aviation Safety Network > ASN Aviation Safety WikiBase > Geographical regions index > ASN Aviation Safety...
Aviation Safety Network: Databases containing descriptions of over 11000 airliner write-offs, hijackings and military aircraft ... Gunnell Aviation. 1. Monterey Park, CA. w/o. 02-MAR-1991. Piper PA-28-161. N2960B. Northeast Aviation. 0. Philadelphia, PA. w/o ... You can add any aviation accident or incident you like: general aviation, military, helicopters etc. As long as they are not ... South Bay Aviation. 4. Fredonia, AZ. w/o. 16-FEB-1991. Bell 206B Jet Ranger III. N59568. Alaska Helicopters Inc. 0. Kodiak, ...
  https://aviation-safety.net/wikibase/dblist.php?Country=N&sorteer=datekey_desc&page=228
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Aviation Safety Network: Databases containing descriptions of over 11000 airliner write-offs, hijackings and military aircraft ... You can add any aviation accident or incident you like: general aviation, military, helicopters etc. As long as they are not ... Sky West Aviation Inc Trustee. 1. Caernarfon Airport, Gwynedd. w/o. 06-SEP-2017. Boeing 777-236. G-VIIH. British Airways. 0. ... Nordic Aviation Capital. 0. near London. unk. 20-JUN-2017. Kolb Firefly. G-CEPN. Private. 1. Luffenhall, W of Buntingford, ...
  http://aviation-safety.net/wikibase/dblist.php?Country=G
*  Aviation Safety Network > ASN Aviation Safety WikiBase > Geographical regions index > ASN Aviation Safety...
Aviation Safety Network: Databases containing descriptions of over 11000 airliner write-offs, hijackings and military aircraft ... You can add any aviation accident or incident you like: general aviation, military, helicopters etc. As long as they are not ... Hortman Aviation Services. 2. Medford, NJ. w/o. 09-JUL-2001. Douglas C-47A-65-DL (DC-3). N3239T. Valiant Air Command. 0. ... Northwing Aviation. 1. Flagstaff, AZ. sub. 16-JUN-2001. Hughes 369HS. N4467V. Trinity Helicopters, Inc.. 0. Mountain View, CA. ...
  https://aviation-safety.net/wikibase/dblist.php?Country=N&sorteer=datekey_desc&page=151
*  Aviation Safety Network > ASN Aviation Safety WikiBase > Geographical regions index > ASN Aviation Safety...
Aviation Safety Network: Databases containing descriptions of over 11000 airliner write-offs, hijackings and military aircraft ... You can add any aviation accident or incident you like: general aviation, military, helicopters etc. As long as they are not ... Wazney Aviation LLC. 0. Wittman Regional Airport (KOSH), Oshkosh, WI. min. 24-JUL-2016. Cessna 210L Centurion. N176LL. Private ...
  https://aviation-safety.net/wikibase/dblist.php?Country=N&sorteer=datekey_desc&page=19
*  Aviation Accidents Caused by Air Traffic Controllers
... *In Aviation Law, Helicopter Crash, Mass transit, Personal Injury ... Aviation Accident Attorney. If you have received injuries in an aviation accident that might have been caused by Air Traffic ... it is essential to contact an experienced aviation law firm with attorneys who are experienced in aviation disasters, as soon ... If you have been injured, or a loved one was injured or killed, in an aviation accident caused by Air Traffic Controller error ...
  https://www.baileypartners.com/blog/aviation-accidents-caused-air-traffic-controllers/
*  Aviation Safety Network > ASN Aviation Safety WikiBase > Geographical regions index > ASN Aviation Safety...
Aviation Safety Network: Databases containing descriptions of over 11000 airliner write-offs, hijackings and military aircraft ... You can add any aviation accident or incident you like: general aviation, military, helicopters etc. As long as they are not ... Sud Aviation SE.3130 Alouette II. VQ-ZBG (7P). w/o. 13-JUN-1955. Noorduyn Norseman IV. ZS-DMB. Maluti Air Services. Leribe, ...
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*  Civil Aviation Authority of Norway - Wikipedia
Norwegian Civil Aviation Authority (Norwegian: Luftfartstilsynet) is the Norwegian inspectorate responsible for civil aviation ... Formerly it was part of the Norwegian Civil Aviation Administration or the Civil Aviation Administration/Norway (NCAA), ... Norway portal Aviation portal Civil Aviation Authority official website. ... A verdict at Oslo District Court, found that employees of the aviation authority had operated recklessly, and the authority was ...
  https://en.wikipedia.org/wiki/Civil_Aviation_Authority_of_Norway
*  aviation - France 24
French aviation strike to affect domestic flights France's civil aviation authority recommended Friday that airlines reduce ... aviation. Air embargo only applies to Qatari firms, says UAE. The air embargo imposed on Qatar only applies to airlines from ... It's a unique case in the history of modern aviation. Nearly three years after its disappearance, Malaysia Airlines flight ... takes to the skies for a test flight as the country looks to break into the global aviation market. Also today: Uber faces… ...
  http://www.france24.com/en/tag/aviation/plus/1/
*  Category:Altitudes in aviation - Wikipedia
Pages in category "Altitudes in aviation". The following 19 pages are in this category, out of 19 total. This list may not ... Retrieved from "https://en.wikipedia.org/w/index.php?title=Category:Altitudes_in_aviation&oldid=603687925" ...
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... Ordnancemen (AO) operate and handle aviation ordnance equipment. They are responsible for the maintenance of guns, ... Aviation Boatswain's Mates (AB) play a major part in launching and recovering naval aircraft quickly and safely from land or ... Aviation Electronics Technicians (AT) are responsible for the maintenance of all aircraft radio, radar, and other rapid ... Aviation Machinist's Mates (AD) are aircraft engine mechanics. They inspect, adjust, test, repair and overhaul aircraft engines ...
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13 issue of Aviation Week & Space Technology who might think the picture on page 28, of two Global Hawks....More ... 20 edition of Aviation Week & Space Technology features congressional editor Jen DiMascio's analysis of whether the selection ...
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Driving through the Mojave Desert earlier today I spotted a couple of USAF C-130Js on a very low-level sortie over the Cords Road area of the Edwards....More ...
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Portal:Aviation‎ , Anniversaries (Redirected from Portal:Aviation/Historical anniversaries/July in aviation/July 14) ... 1877 - Birth of Karl Illner, Austrian aviation pioneer.. References[edit]. *^ Reuters, "19 Suspected Militants Killed in ... Portal:Aviation/Anniversaries/July 14. From Wikipedia, the free encyclopedia. , ... 1917 - Death of Thomas (Tom) Wesley Benoist, American aviation pioneer who started the First scheduled aircraft service, ...
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*  U.S. GAO - Aviation Safety
... aviation safety and noted that: (1) the Federal Aviation Administration (FAA) and the airlines have done a good job of ... GAO discussed U.S. aviation safety and noted that: (1) the Federal Aviation Administration (FAA) and the airlines have done a ... Commercial Aviation: Pilots' and Flight Attendants' Exposure to Noise aboard Aircraft. GAO-18-109R: Published: Nov 15, 2017. ... Aviation Safety. T-RCED-87-1: Published: Jan 29, 1987. Publicly Released: Jan 29, 1987.. ...
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RAF Centre of Aviation Medicine: The RAF Centre of Aviation Medicine is a medical organisation run by the Royal Air Force at RAF Henlow in Bedfordshire. It is the main site of aviation medicine research in the UK.Northwest Airlines Flight 85List of Royal Air Force aircraft independent flights: This is a list of Royal Air Force independent Flights. An independent Flight is a military administrative structure which is used to command flying units where the number of aircraft is not large enough to warrant a fully fledged squadron.Aircraft cabin: An aircraft cabin is the section of an aircraft in which passengers travel. At cruising altitudes of modern commercial aircraft the surrounding atmosphere is too thin for passengers and crew to breathe without an oxygen mask, so cabins are pressurized at a higher pressure than ambient pressure at altitude.Fatal Care: Survive in the U.S. Health System: Fatal Care: Survive in the U.S.Inverse benefit law: The inverse benefit law states that the more a new drug is marketed, the worse it is for patients. More precisely, the ratio of benefits to harms among patients taking new drugs tends to vary inversely with how extensively a drug is marketed.Laughlin/Bullhead International AirportForum for Renewable Energy Development in Scotland: The Forum for Renewable Energy Development in Scotland, also known as FREDS is a partnership between industry, academia and Government aimed at enabling Scotland to capitalise on its significant renewable energy resource and thereby secure economic benefits."Forum for Renewable Energy Development" Scottish Government.List of environmental disasters: This page is a list of environmental disasters. In this context it is an annotated list of specific events caused by human activity that results in a negative effect on the environment.Hamid GhodseLas Vegas Grammar School (Las Vegas Boulevard, Las Vegas, Nevada): The Las Vegas Grammar School on Las Vegas Boulevard, also known as the Historic Fifth Street School, is a school listed on the National Register of Historic Places in Nevada and is located in the city of Las Vegas. Built in 1936, the mission style building is the only one remaining from that era.Risk governance: Risk governance refers to the institutions, rules conventions, processes and mechanisms by which decisions about risks are taken and implemented. It can be both normative and positive, because it analyses and formulates risk management strategies to avoid and/or reduce the human and economic costs caused by disasters.Virtual trainingFredric Rieders: Fredric Rieders (July 9, 1922 – November 26, 2005) was an internationally renowned forensic toxicologist. He was born in Vienna, Austria.Occupational fatality: An occupational fatality is a death that occurs while a person is at work or performing work related tasks. Occupational fatalities are also commonly called “occupational deaths” or “work-related deaths/fatalities” and can occur in any industry or occupation.Citizen Weather Observer Program: The Citizen Weather Observer Program (CWOP) is a network of privately owned electronic weather stations concentrated in the United States but also located in over 150 countries. Network participation allows volunteers with computerized weather stations to send automated surface weather observations to the National Weather Service (NWS) by way of the Meteorological Assimilation Data Ingest System (MADIS).

(1/151) Is service with the parachute regiment bad for your health?

Military parachuting is perceived to be a 'high risk' activity. The estimate of risk should be based on a comparison of injury rates between soldiers who are military parachutists and soldiers who are not military parachutists rather than the rate of injury per parachute descent. Since other aspects of military life also have an inherent risk of injury the risk attributable to military parachuting must be assessed in this context. The aim of this paper is to determine whether Parachute Regiment soldiers have a greater risk of injury as compared with non-Parachute Regiment infantry soldiers by comparing rates of hospital admission and medical discharge between the two groups. Records at the Defence Analytical Services Agency were analysed for the 10-year period 1987-96. The mean rate of hospital admission for Parachute Regiment soldiers was 50.1 per 1,000 and for infantry soldiers was 50.8 per 1,000 [relative risk (RR) = 0.98; 95% confidence interval (CI) = 0.92-1.04). The mean rate of medical discharge for Parachute Regiment soldiers was 4.9 per 1,000 and for infantry the mean rate was 2.8 per 1,000 (RR = 1.76; CI = 1.45-2.15). This study has shown a methodology for comparing occupational exposure to risk that could be extended to other groups if they can be separated by appropriate criteria.  (+info)

(2/151) What is the risk associated with being a qualified military parachutist?

Military parachuting has been recognized as a hazardous activity since it was first introduced in World War II. Other risks associated with military service include actual war-fighting, training with weapons and explosives, operating with armoured vehicles or deployment to climatic extremes. These other hazards should be considered in any assessment of the additional risk associated with military parachuting. The aim of this study was to identify the risk attributable to parachuting amongst US Army enlisted soldiers. This study identified a cohort of infantry soldiers who served between 1990-94. They were separated by receipt of parachute hazardous duty pay. There was a total of 329,794 person-years (PY) available for study of which 18% were in the exposed group. The rate of hospitalization was very similar in both groups [123.9 per 1,000 PYs for the exposed group, 127 in the non-exposed group: relative risk (RR) = 0.98, 95% confidence interval (CI) = 0.96-1.00). The exposed group was 1.49 times (CI = 1.42-1.57) more likely to be admitted as a result of an injury as compared with the non-exposed group. Military parachuting was 20 times (CI = 16.6-24.3) more likely to be the cause of an injury. This study has shown that receipt of hazardous duty pay for military parachuting can be used as a marker in identifying significant additional risks to the health of infantry soldiers associated with military parachuting. This was reflected in an increased incidence of admission for acute injury and musculoskeletal trauma (particularly a trauma pattern associated with parachuting) as a result of military parachuting. Other risks, which are associated with parachute pay, are admission for the effects of heat, battle injury and helicopter accidents.  (+info)

(3/151) Personal exposure to JP-8 jet fuel vapors and exhaust at air force bases.

JP-8 jet fuel (similar to commercial/international jet A-1 fuel) is the standard military fuel for all types of vehicles, including the U.S. Air Force aircraft inventory. As such, JP-8 presents the most common chemical exposure in the Air Force, particularly for flight and ground crew personnel during preflight operations and for maintenance personnel performing routine tasks. Personal exposure at an Air Force base occurs through occupational exposure for personnel involved with fuel and aircraft handling and/or through incidental exposure, primarily through inhalation of ambient fuel vapors. Because JP-8 is less volatile than its predecessor fuel (JP-4), contact with liquid fuel on skin and clothing may result in prolonged exposure. The slowly evaporating JP-8 fuel tends to linger on exposed personnel during their interaction with their previously unexposed colleagues. To begin to assess the relative exposures, we made ambient air measurements and used recently developed methods for collecting exhaled breath in special containers. We then analyzed for certain volatile marker compounds for JP-8, as well as for some aromatic hydrocarbons (especially benzene) that are related to long-term health risks. Ambient samples were collected by using compact, battery-operated, personal whole-air samplers that have recently been developed as commercial products; breath samples were collected using our single-breath canister method that uses 1-L canisters fitted with valves and small disposable breathing tubes. We collected breath samples from various groups of Air Force personnel and found a demonstrable JP-8 exposure for all subjects, ranging from slight elevations as compared to a control cohort to > 100 [mutilpe] the control values. This work suggests that further studies should be performed on specific issues to obtain pertinent exposure data. The data can be applied to assessments of health outcomes and to recommendations for changes in the use of personal protective equipment that optimize risk reduction without undue impact on a mission.  (+info)

(4/151) Error, stress, and teamwork in medicine and aviation: cross sectional surveys.

OBJECTIVES: To survey operating theatre and intensive care unit staff about attitudes concerning error, stress, and teamwork and to compare these attitudes with those of airline cockpit crew. DESIGN: : Cross sectional surveys. SETTING: : Urban teaching and non-teaching hospitals in the United States, Israel, Germany, Switzerland, and Italy. Major airlines around the world. PARTICIPANTS: : 1033 doctors, nurses, fellows, and residents working in operating theatres and intensive care units and over 30 000 cockpit crew members (captains, first officers, and second officers). MAIN OUTCOME MEASURES: : Perceptions of error, stress, and teamwork. RESULTS: : Pilots were least likely to deny the effects of fatigue on performance (26% v 70% of consultant surgeons and 47% of consultant anaesthetists). Most pilots (97%) and intensive care staff (94%) rejected steep hierarchies (in which senior team members are not open to input from junior members), but only 55% of consultant surgeons rejected such hierarchies. High levels of teamwork with consultant surgeons were reported by 73% of surgical residents, 64% of consultant surgeons, 39% of anaesthesia consultants, 28% of surgical nurses, 25% of anaesthetic nurses, and 10% of anaesthetic residents. Only a third of staff reported that errors are handled appropriately at their hospital. A third of intensive care staff did not acknowledge that they make errors. Over half of intensive care staff reported that they find it difficult to discuss mistakes. CONCLUSIONS: Medical staff reported that error is important but difficult to discuss and not handled well in their hospital. Barriers to discussing error are more important since medical staff seem to deny the effect of stress and fatigue on performance. Further problems include differing perceptions of teamwork among team members and reluctance of senior theatre staff to accept input from junior members.  (+info)

(5/151) Cancer incidence among Norwegian airline pilots.

OBJECTIVES: In this retrospective cohort study, the cancer incidence of commercial pilots was studied to determine whether exposure at work has any influence on the incidence of cancer. METHODS: The cohort was established from the files of the Civil Aviation Administration and included people who had valid licenses as commercial pilots between 1946 and 1994. Basic data about their flight careers were recorded, and exposure to cosmic radiation was estimated. The cohort was linked to the Cancer Register of Norway. The observed number of cases was compared with that expected based on national rates. RESULTS: A group of 3701 male pilots was followed over 70 560 person-years. There were 200 cases of cancer versus 188.8 expected, with a standardized incidence ratio (SIR) of 1.06 and a 95% confidence interval (95% CI) of 0.92-1.22. No significant decreased risk was found for any cancer site. Excess risks were found for malignant melanoma (22 cases SIR 1.8, 95% CI 1.1-2.7) and nonmelanoma skin cancer (14 cases, SIR 2.4, 95% CI 1.3-4.0). For malignant melanoma, there was a significant trend for the SIR by cumulative dose. CONCLUSIONS: For most cancer sites, the incidence among pilots did not deviate from that of the general population and could not be related to block hours of flight time or dose. It seems more likely that the excess risks of malignant melanoma and skin cancer are explained by factors related to life-style rather than by conditions at work.  (+info)

(6/151) Changes in the ocular and nasal signs and symptoms of aircrews in relation to the ban on smoking on intercontinental flights.

OBJECTIVES: This study determined the influence of exposure to environmental tobacco smoke (ETS) in aircraft on measured and perceived cabin air quality (CAQ), symptoms, tear-film stability, nasal patency, and biomarkers in nasal lavage fluid. METHODS: Commercial aircrews underwent a standardized examination, including acoustic rhinometry, nasal lavage, and measurement of tear-film break-up time. Eosinophilic cationic protein, myeloperoxidase, lysozyme, and albumin were analyzed in the nasal lavage fluid. Inflight investigations [participation rate 98% (N=39)] were performed on board 4 flights, 2 in each direction between Scandinavia and Japan. Scandinavian crew on 6 flights from Scandinavia to Japan participated in postflight measurements after landing [participation rate 85% (N=41)]. Half the flights permitted smoking on board, and the other half, 0.5 months later, did not. Hygienic measurements showed low relative air humidity on board (2-10%) and a carbon dioxide concentration of <1000 ppm during 99.6% of the cruising time. RESULTS: The smoking ban caused a drastic reduction of respirable particles, from a mean of 66 (SD 56) microg/m3 to 3 (SD 0.8) microg/m3. The perceived CAQ was improved, and there were fewer symptoms, particularly ocular symptoms, headache and tiredness. Tear-film stability increased, and nasal patency was altered. CONCLUSIONS: Despite a high air exchange rate and spatial separation between smokers and nonsmokers, smoking in commercial aircraft may cause significant air pollution, as indicated by a large increase in respirable particles. This ETS exposure is associated with an increase in ocular and general symptoms, decreased tear-film stability, and alterations of nasal patency.  (+info)

(7/151) Gravitoinertial force magnitude and direction influence head-centric auditory localization.

We measured the influence of gravitoinertial force (GIF) magnitude and direction on head-centric auditory localization to determine whether a true audiogravic illusion exists. In experiment 1, supine subjects adjusted computer-generated dichotic stimuli until they heard a fused sound straight ahead in the midsagittal plane of the head under a variety of GIF conditions generated in a slow-rotation room. The dichotic stimuli were constructed by convolving broadband noise with head-related transfer function pairs that model the acoustic filtering at the listener's ears. These stimuli give rise to the perception of externally localized sounds. When the GIF was increased from 1 to 2 g and rotated 60 degrees rightward relative to the head and body, subjects on average set an acoustic stimulus 7.3 degrees right of their head's median plane to hear it as straight ahead. When the GIF was doubled and rotated 60 degrees leftward, subjects set the sound 6.8 degrees leftward of baseline values to hear it as centered. In experiment 2, increasing the GIF in the median plane of the supine body to 2 g did not influence auditory localization. In experiment 3, tilts up to 75 degrees of the supine body relative to the normal 1 g GIF led to small shifts, 1--2 degrees, of auditory setting toward the up ear to maintain a head-centered sound localization. These results show that head-centric auditory localization is affected by azimuthal rotation and increase in magnitude of the GIF and demonstrate that an audiogravic illusion exists. Sound localization is shifted in the direction opposite GIF rotation by an amount related to the magnitude of the GIF and its angular deviation relative to the median plane.  (+info)

(8/151) Cosmic radiation protection dosimetry using an Electronic personal Dosemeter (Siemens EPD) on selected international flights.

The effectiveness of an Electronic Personal Dosemeter (Siemens EPD) for cosmic-radiation dosimetry at aviation altitudes was examined on eight international flights between March and September, 1998. The EPD values (Hepd) of the dose equivalent from penetrating radiation, Hp(10), were assumed to be almost the same as the electron absorbed doses during those flights. Based on the compositions of cosmic radiation in the atmosphere and the 1977 ICRP recommendation, an empirical equation to conservatively estimate the personal dose equivalent (Hp77) at a depth of 5 cm was derived as Hp77 = 3.1 x Hepd. The personal dose equivalent (Hp90) based on the 1990 ICRP recommendation was given by Hp90 = 4.6 x Hepd; the conservative feature of Hp90 was confirmed in a comparison with the calculated effective doses by means of the CARI-6 code. It is thus expected that the EPD will be effectively used for radiation protection dosimetry on selected international flights.  (+info)



  • Federal Aviation Admin
  • If pilots are required to pass Federal Aviation Administration (FAA) knowledge and practical tests prior to obtaining a new pilot certificate, how could they not possess the knowledge needed to operate in the National Airspace System (NAS)? (k-state.edu)
  • Air Traffic Controllers are employed by the Federal Aviation Administration (FAA). (baileypartners.com)