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  • probabilistic risk asses
  • These techniques are just ways of finding problems and of making plans to cope with failures, as in probabilistic risk assessment. (wikipedia.org)
  • After the Challenger accident, the importance of probabilistic risk assessment (PRA) and FTA in systems risk and reliability analysis was realized and its use at NASA has begun to grow and now FTA is considered as one of the most important system reliability and safety analysis techniques. (wikipedia.org)
  • flown
  • The aircraft can be flown under the microlight/ultralight regulations of several countries as well as the USA FAA Light-sport Aircraft rules, Canadian advanced ultralight and the European EASA Permit to Fly rules. (wikipedia.org)
  • These segments are Feeder routes: A route for aircraft to proceed from the en route structure to the IAF, which includes the course and bearing to be flown, the distance, and the minimum altitude. (wikipedia.org)
  • Several aircraft were flown by Air Test and Evaluation Squadron Thirty (VX-30) at Naval Base Ventura County / NAS Point Mugu, California for range clearance and surveillance operations on the NAVAIR Point Mugu Range until 2016, and one S-3 is operated by the National Aeronautics and Space Administration (NASA) at the NASA Glenn Research Center. (wikipedia.org)
  • It was first flown at Dunsfold, Surrey, in 1974 as the Hawker Siddeley Hawk, and subsequently produced by its successor companies, British Aerospace and BAE Systems, respectively. (wikipedia.org)
  • hazard
  • Both approaches share the goal of finding causal dependencies between a hazard on system level and failures of individual components. (wikipedia.org)
  • Lack of independence of four hydraulic systems from a single failure event was a zonal hazard. (wikipedia.org)
  • These "system Failure Conditions" and their classification are often previously determined in the functional Hazard analysis. (wikipedia.org)
  • In 1998, the FAA published Order 8040.4, establishing risk management policy including hazard analysis in a range of critical activities beyond aircraft certification, including air traffic control and modernization of the U.S. National Airspace System. (wikipedia.org)
  • Boeing
  • On 4 June 2013, a Boeing 737-800 (737) aircraft, registered VH-YIR and operated by Virgin Australia (Virgin), was on a scheduled passenger service from Melbourne, Victoria to Sydney, New South Wales. (atsb.gov.au)
  • The S-3 was retired from front-line fleet service aboard aircraft carriers by the US Navy in January 2009, with its missions being assumed by other platforms such as the P-3C Orion, Sikorsky SH-60 Seahawk, and Boeing F/A-18E/F Super Hornet. (wikipedia.org)
  • Boeing began using FTA for civil aircraft design around 1966. (wikipedia.org)
  • citation needed] In the United States, the last airline to offer pneumatic headphones was Delta Air Lines, which switched to electronic headphones in 2003, despite the fact that all Delta aircraft equipped with in-flight entertainment since the Boeing 767-200 have included jacks for electronic headphones. (wikipedia.org)
  • In the late 1970s and early 1980s, CRT-based projectors began to appear on newer widebody aircraft, such as the Boeing 767. (wikipedia.org)
  • 520: The crash of Japan Airlines Flight 123 on August 12, 1985, is the single-aircraft disaster with the highest number of fatalities: 520 people died on board a Boeing 747. (wikipedia.org)
  • A320
  • As the aircraft approached the extended centre-line of runway 16R, the aircraft's traffic collision avoidance system (TCAS) provided a traffic alert followed by a resolution advisory (RA) in relation to an Airbus A320 aircraft on approach to parallel runway 16 Left (16L). (atsb.gov.au)
  • Airbus has taken that to the extreme - their first fly-by-wire aircraft, the A320 has eight independently developed software and hardware systems which must agree. (slashdot.org)
  • altitude
  • The batteries keeping navigation, ELUs (emergency lighting units), emergency pressure or oxygen systems running at altitude, and radio equipment operational. (wikipedia.org)
  • The Ramesh Chandra Lahoti Commission, empowered to study the causes, recommended the creation of the "semi-circular rule", to prevent aircraft from flying in opposite directions at the same altitude. (wikipedia.org)
  • descent
  • As the crew commenced descent in response to the RA, the aircraft continued through the extended centreline of runway 16R by about 300 m. (atsb.gov.au)
  • The BRS can be used to lower the entire aircraft to the ground in a controlled descent in the event of major structural failure, incapacitation of the pilot, or engine failure over mountainous terrain. (wikipedia.org)
  • Initial approach segment: This segment provides a method for aligning the aircraft with the intermediate or final approach segment and to permit descent during the alignment. (wikipedia.org)
  • Intermediate approach segment: This segment positions the aircraft for the final descent to the airport. (wikipedia.org)
  • At 11:14:35, after 26 seconds of uncontrolled descent, the aircraft clipped a tree with its right wing and impacted the ice-covered moat of a 19th-century military fortress with the speed of about 380 km/h (238 mph) at a 20-degree down angle, 950 meters away from the runway threshold and 100 meters from a residential area. (wikipedia.org)
  • fault
  • The two most common fault modeling techniques are called failure mode and effects analysis and fault tree analysis. (wikipedia.org)
  • When failure and event probabilities are unknown, qualitative fault trees may be analyzed for minimal cut sets. (wikipedia.org)
  • Independent failures, represented by an AND gate in a fault tree analysis, have a low probability of occurring in the same flight. (wikipedia.org)
  • Diagnostic down time Criticality Fault isolation down time Logistics delay down time Corrective maintenance down time Any failed item that is not corrected will induce operational failure. (wikipedia.org)
  • Fault isolation down time is required to identify the amount of time spent locating a failure. (wikipedia.org)
  • Fault tree analysis (FTA) is a top down, deductive failure analysis in which an undesired state of a system is analyzed using Boolean logic to combine a series of lower-level events. (wikipedia.org)
  • In aerospace, the more general term "system Failure Condition" is used for the "undesired state" / Top event of the fault tree. (wikipedia.org)
  • Fault tree analysis (FTA) was originally developed in 1962 at Bell Laboratories by H.A. Watson, under a U.S. Air Force Ballistics Systems Division contract to evaluate the Minuteman I Intercontinental Ballistic Missile (ICBM) Launch Control System. (wikipedia.org)
  • The use of fault trees has since gained widespread support and is often used as a failure analysis tool by reliability experts. (wikipedia.org)
  • occur
  • A more recent outcome of this work is the Internet, which relies on a backbone of routers that provide the ability to automatically re-routre communication without human intervention when failures occur. (wikipedia.org)
  • Electrical power systems must perform two actions to prevent total system failure when smaller failures occur, such as when a tree falls across a power line. (wikipedia.org)
  • Operational failure is unacceptable in any situation where the following can occur. (wikipedia.org)
  • pilots
  • Professional unmanned aircraft pilots train to handle failures, including the loss of one or more motors. (aopa.org)
  • While the FAA may change the requirements next year, certificated pilots are required to be in command of each unmanned flight, and also required to keep the aircraft in sight at all times. (aopa.org)
  • He is particularly keen to work with pilots, air traffic controllers, and others involved with manned aviation, hopeful that knowledge will help ease concern about and distrust of unmanned aircraft and their operators that persists among many manned aircraft pilots. (aopa.org)
  • Pilots were able to keep the plane flying for 32 minutes after the mechanical failure before crashing into a mountain. (wikipedia.org)
  • auxiliary powe
  • Cabin air rushed into the unpressurized fuselage cavity, overpressurizing the area and causing failure of the auxiliary power unit (APU) firewall and the supporting structure for the vertical fin. (wikipedia.org)
  • Unlike many tactical jets which required ground service equipment, the S-3 was equipped with an auxiliary power unit (APU) and capable of unassisted starts. (wikipedia.org)
  • structural failure
  • An aviation accident is defined by the Convention on International Civil Aviation Annex 13 as an occurrence associated with the operation of an aircraft, which takes place between the time any person boards the aircraft with the intention of flight until all such persons have disembarked, where a person is fatally or seriously injured, the aircraft sustains damage or structural failure or the aircraft is missing or is completely inaccessible. (wikipedia.org)
  • nuclear
  • In FTA, initiating primary events such as component failures, human errors, and external events are traced through Boolean logic gates to an undesired top event such as an aircraft crash or nuclear reactor core melt. (wikipedia.org)
  • Contents not intended for use in the operation of nuclear facilities, aircraft navigation or communication systems, air traffic control systems, life support machines or other equipment in which the failure of the information could lead to death, personal injury, or severe physical or environmental damage. (evolt.org)
  • incidents
  • Berkeley Engineering and Research (BEAR) is a full service forensic engineering firm with extensive experience investigating a wide range of incidents and failures that are central to litigation and insurance claims. (sfbar.org)
  • Some may be exposed to hazards from equipment, chemicals, or toxic materials, but incidents are rare as long as proper procedures are followed. (studentscholarships.org)
  • capable
  • I'd prefer to know that systems capable of carrying weapons which can kill hundreds of thousands of people were designed with the same safety in mind. (slashdot.org)
  • it carried automated weapon systems, and was capable of extended missions with in-flight refueling. (wikipedia.org)
  • oxygen
  • It also considers failure modes and maintenance errors that could have a cascading effect on systems, such as: Flailing torque shaft Oxygen leak Accumulator burst Fluid leak Rotorburst Loose fastener Bleed air leak Overheated wire Connector keying error Potential problems are identified and tracked for resolution. (wikipedia.org)
  • FMEA
  • Failure Mode and Effects Analysis (FMEA) is a bottom-up, inductive analytical method which may be performed at either the functional or piece-part level. (wikipedia.org)
  • For functional FMEA, failure modes are identified for each function in a system or equipment item, usually with the help of a functional block diagram. (wikipedia.org)
  • For piece-part FMEA, failure modes are identified for each piece-part component (such as a valve, connector, resistor, or diode). (wikipedia.org)
  • Instead, NASA decided to rely on the use of failure modes and effects analysis (FMEA) and other qualitative methods for system safety assessments. (wikipedia.org)
  • carriers
  • Before satellite navigation was available for civilian aviation, the requirement for large land-based navigation aid (NAVAID) facilities generally limited the use of instrument approaches to land-based (i.e. asphalt, gravel, turf, ice) runways (and those on aircraft carriers). (wikipedia.org)
  • In the mid-1960s, the U.S. Navy developed the VSX (Heavier-than-air, Anti-submarine, Experimental) requirement for a replacement for the piston-engined Grumman S-2 Tracker as an anti-submarine aircraft to fly off the Navy's aircraft carriers. (wikipedia.org)
  • pilot
  • A physiological well-being monitoring system especially suited for use by the pilot or other aircrew members of a high-performance aircraft such as a tactical aircraft is disclosed. (google.com)
  • Use of the physiological monitoring signals to generate alarm or assume control of the aircraft is also disclosed along with representative data associated with the sensed pilot physiological well-being indicators. (google.com)
  • The aircraft can seat four crew members, three officers and one enlisted aircrewman, with the pilot and the copilot/tactical coordinator (COTAC) in the front of the cockpit and the tactical coordinator (TACCO) and sensor operator (SENSO) in the back. (wikipedia.org)
  • The first involving a powered aircraft was the crash of a Wright Model A aircraft at Fort Myer, Virginia, in the United States on September 17, 1908, injuring its co-inventor and pilot, Orville Wright, and killing the passenger, Signal Corps Lieutenant Thomas Selfridge. (wikipedia.org)
  • The prototype aircraft XX154 first flew on 21 August 1974 from Dunsfold piloted by Duncan Simpson, Chief Test Pilot of HSA (Kingston), reaching 20,000 ft in a flight lasting 53 minutes. (wikipedia.org)
  • operators
  • He was more recently one of the first 100 unmanned aircraft operators to secure FAA approval for commercial operation of drones, commonly known as a Section 333 approval in reference to the 2012 federal law that made it possible. (aopa.org)
  • repaired aft pressure
  • The decompression was caused by failure of a previously repaired aft pressure bulkhead. (wikipedia.org)
  • The aircraft suffered an explosive decompression from an incorrectly repaired aft pressure bulkhead, which failed in mid flight, destroying most of its vertical stabilizer and severing all of the hydraulic lines, making the 747 virtually uncontrollable. (wikipedia.org)
  • aircrew
  • These military and civilian specialists are concerned with protecting aircrew and patients who are transported by AirEvac aircraft (helicopters or fixed-wing airplanes). (wikipedia.org)
  • enemy
  • The Lockheed S-3 Viking is a four-seat, twin-engine turbofan-powered jet aircraft that was used by the U.S. Navy to identify and track enemy submarines. (wikipedia.org)
  • A good distinction is that a technical intelligence analyst often has possession of a piece of enemy equipment, such as an artillery round, which can be evaluated in a laboratory. (thefullwiki.org)
  • Bandit - Enemy aircraft. (wikipedia.org)
  • Engineer
  • 9) Even if it looks flyable DO NOT attempt to fly it until it has been inspected by a professional aircraft engineer. (aopa.co.uk)
  • operational
  • Operational availability in systems engineering is a measurement of how long a system has been available to use when compared with how long it should have been available to be used. (wikipedia.org)
  • Capital equipment loss Injury or loss of life Sustained failure to accomplish mission In military acquisition, operational availability is used as one of the Key Performance Parameters in requirements documents, to form the basis for decision support analyses. (wikipedia.org)
  • Electrical
  • Electrical power is also used to run systems for preflight checks. (wikipedia.org)
  • If the APU or its electrical generator is not available, the aircraft cannot be released for ETOPS flight and is forced to take a longer non-ETOPS route. (wikipedia.org)
  • Electrical and electronic engineering technicians help design, develop, test, and manufacture electrical and electronic equipment such as communication equipment, medical monitoring devices, navigational equipment, and computers. (studentscholarships.org)
  • A newer, more powerful APU could provide full electrical service to the aircraft. (wikipedia.org)
  • Reports vary, but at least one jet suffered grave electrical failures, tried to fire a missile at something and had something fired at it. (wikipedia.org)
  • According to Klass, the Westinghouse technician at Shahrokhi airbase stated that only the first F-4 reported failing equipment, and that this F-4 was known for equipment failures with a long history of electrical outages, having been repaired only a month before the incident. (wikipedia.org)
  • Bridgstock criticized UFOlogists reports as "not a reliable account of the Iran UFO incident" and summed up Klass' conclusions: Klass found that only one aircraft had suffered electrical malfunctions, not two. (wikipedia.org)
  • ground
  • There were no technical failures of the aircraft, aircraft tracking systems or ground equipment in relation to this occurrence. (atsb.gov.au)
  • German counter-attacks during the afternoon recaptured most of the lost ground north of the Albert-Bapaume road and more British attacks against Thiepval were costly failures. (wikipedia.org)
  • Galella, an AOPA member, has been in the general aviation business for nearly three decades, and built a New Jersey company from the ground up to sell and repair aircraft. (aopa.org)
  • The deadliest aviation-related disaster of any kind, considering fatalities on both the aircraft and the ground, was the destruction of the World Trade Center in New York City on September 11, 2001. (wikipedia.org)
  • large
  • They are commonly found on large aircraft and naval ships as well as some large land vehicles. (wikipedia.org)
  • During World War II, a number of large American military aircraft were fitted with APUs. (wikipedia.org)
  • Backup batteries range from small single cells to retain clock time and date in computers, up to large battery room facilities that power uninterruptible power supply systems for large data centers. (wikipedia.org)
  • These batteries are often large valve regulated lead-acid batteries in smaller or portable systems. (wikipedia.org)
  • Large air conditioning systems developed electronic controllers, as had microwave ovens and a variety of other appliances. (wikipedia.org)
  • provide
  • Safety engineering is an engineering discipline which assures that engineered systems provide acceptable levels of safety. (wikipedia.org)
  • APUs can provide power through single- or three-phase systems. (wikipedia.org)
  • The primary purpose of an aircraft APU is to provide power to start the main engines. (wikipedia.org)
  • Backup batteries are used in uninterruptible power supplies (UPS), and provide power to the computers they supply for a variable period after a power failure, usually long enough to at least allow the computer to be shut down gracefully. (wikipedia.org)
  • Higher performance aircraft provide more sophisticated life support equipment, such as "G-suits" to help the body resist the adverse effects of acceleration, along with pressure breathing apparatus, or ejection seats or other escape equipment. (wikipedia.org)
  • The current European trend is to implement bring your own device systems that provide internet connectivity, allowing the user to stream a predefined range of multimedia content. (wikipedia.org)
  • regulations
  • In the UK, for Annex II aircraft, reporting remains voluntary under the new regulations, although this may be reviewed in the future. (aopa.co.uk)
  • engine
  • in the rare event of complete engine shutdown, the APU can be used to power critical computer systems and flight controls, as was seen in the US Airways Flight 1549 water landing. (wikipedia.org)
  • This function can also be used, on some aircraft, as a backup in flight in case of engine or hydraulic failure. (wikipedia.org)
  • APUs fitted to extended-range twin-engine operations (ETOPS) aircraft are a critical safety device, as they supply backup electricity and compressed air in place of the dead engine or failed main engine generator. (wikipedia.org)
  • Backup batteries in aircraft keep essential instruments and devices running in the event of an engine power failure. (wikipedia.org)
  • On July 19, 1989, United Airlines Flight 232, a McDonnell Douglas DC-10-10, experienced an uncontained failure of its No. 2 engine stage 1 fan rotor disk assembly. (wikipedia.org)
  • Forces from the engine failure fractured the No. 2 hydraulic system line. (wikipedia.org)
  • Lockheed recognised that it had little recent experience in designing carrier based aircraft, so Ling-Temco-Vought (LTV) was brought into the team, being responsible for the folding wings and tail, the engine nacelles, and the landing gear, which was derived from LTV A-7 Corsair II (nose) and Vought F-8 Crusader (main). (wikipedia.org)
  • The BAE Systems Hawk is a British single-engine, jet-powered advanced trainer aircraft. (wikipedia.org)
  • loss
  • As both aircraft were cleared and utilising IVA procedures, the occurrence did not constitute an ATC loss of separation assurance. (atsb.gov.au)
  • An event tree starts from an undesired initiator (loss of critical supply, component failure etc.) and follows possible further system events through to a series of final consequences. (wikipedia.org)
  • With the loss of all three hydraulic-powered flight control systems, safe landing was impossible. (wikipedia.org)
  • Criticality identifies level of risk associated with loss of mission, injury or loss of life, and capitol equipment. (wikipedia.org)
  • If the aircraft is destroyed or severely damaged so that it must be written off, it is further defined as a hull loss accident. (wikipedia.org)
  • Design
  • The complexity of the technical systems such as Improvements of Design and Materials, Planned Inspections, Fool-proof design, and Backup Redundancy decreases risk and increases the cost. (wikipedia.org)
  • Dr. Stevick, CEO has over 25 years of experience in failure analysis and design of structures, consumer products, industrial and medical equipment. (sfbar.org)
  • Formal design philosophies involving active redundancy are required for critical systems where corrective labor is undesirable or impractical to correct failure during normal operation. (wikipedia.org)
  • ZSA is a method of ensuring that the equipment installations within each zone of an aircraft meet adequate safety standards with respect to design and installation standards, interference between systems, and maintenance errors. (wikipedia.org)
  • The Flight Design CT series is a family of high-wing, tricycle undercarriage, two seat, ultralight and light-sport aircraft produced by Flight Design (Flightdesign Vertrieb) of Germany. (wikipedia.org)
  • They also assist in design work, often using computer-aided design and drafting (CADD) equipment. (studentscholarships.org)
  • During the 1990s the demand for better IFE was a major factor in the design of aircraft cabins. (wikipedia.org)
  • fleet
  • The Ministry of Defense said it was considering the installation of the potentially lifesaving equipment to its Typhoon fleet. (rt.com)
  • structures
  • VRLA batteries are used in the outside plant at locations such as Controlled Environmental Vaults (CEVs), Electronic Equipment Enclosures (EEEs), and huts, and in uncontrolled structures such as cabinets. (wikipedia.org)
  • Civil engineering technicians help civil engineers plan and oversee the construction of highways, buildings, bridges, dams, wastewater treatment systems, and other structures. (studentscholarships.org)
  • install
  • The initial requirement began with military combat systems during World War I. The approach used for survivability was to install thick armor plate to resist gun fire and install multiple guns. (wikipedia.org)
  • prototype
  • Engineering technicians who work in research and development build or set up equipment, prepare and conduct experiments, collect data, calculate or record results, and help engineers or scientists in other ways, such as making prototype versions of newly designed equipment. (studentscholarships.org)
  • initially
  • Accordingly, in 1968, Hawker Siddeley Aviation (HSA) began studies for a simpler aircraft, initially as special project (SP) 117. (wikipedia.org)
  • event
  • For example, if any minimal cut set contains a single base event, then the top event may be caused by a single failure. (wikipedia.org)
  • An occurrence means any safety-related event which endangers or which, if not corrected or addressed, could endanger an aircraft, its occupants or any other person. (aopa.co.uk)
  • In the event of dual hydraulic failures, an Emergency Flight Control System (EFCS) permits manual control with greatly increased stick forces and reduced control authority. (wikipedia.org)
  • This analysis method is mainly used in the fields of safety engineering and reliability engineering to understand how systems can fail, to identify the best ways to reduce risk or to determine (or get a feeling for) event rates of a safety accident or a particular system level (functional) failure. (wikipedia.org)
  • prioritize the contributors leading to the top event - Creating the Critical Equipment/Parts/Events lists for different importance measures. (wikipedia.org)
  • Eleven years later in 1932, the first in-flight television called 'media event' was shown on a Western Air Express Fokker F.10 aircraft. (wikipedia.org)
  • service
  • While some APUs may not be startable in flight, ETOPS-compliant APUs must be flight-startable at altitudes up to the aircraft service ceiling. (wikipedia.org)
  • Lincoln Park Aviation remains a factory-authorized service center for Cessna aircraft and an FAA-certified repair station for Cessna, Piper, Cirrus, and Columbia aircraft, though the unmanned aviation side of the business has lately been taking up a growing share of Galella's time and attention. (aopa.org)
  • but is also used in fields as diverse as risk factor identification relating to social service system failure. (wikipedia.org)
  • The aircraft never entered service. (wikipedia.org)
  • Temperature
  • Zone Map of an Aircraft Aircraft zones differ in usage, pressurization, temperature range, exposure to severe weather and lightning strikes, and the hazards contained such as ignition sources, flammable fluids, flammable vapors, or rotating machines. (wikipedia.org)
  • In addition, the text focuses on vapour-liquid and other phase equilibrium calculations, and analyzes chemical reaction equilibria and adiabatic reaction temperature for systems with complete and incomplete conversion of reactants. (google.com)
  • reliability
  • The amount of excess capacity affects overall system reliability by limiting the effects of failure. (wikipedia.org)
  • The Reliability Analysis Center at Rome Laboratory and its successor organizations now with the Defense Technical Information Center (Reliability Information Analysis Center and now Defense Systems Information Analysis Center, https://www.dsiac.org/) has published documents on FTA and reliability block diagrams since the 1960s. (wikipedia.org)
  • Reliability engineering is a sub-discipline of systems engineering that emphasizes dependability in the lifecycle management of a product. (wikipedia.org)
  • Reliability plays a key role in the cost-effectiveness of systems. (wikipedia.org)
  • Reliability engineering deals with the estimation, prevention and management of high levels of "lifetime" engineering uncertainty and risks of failure. (wikipedia.org)
  • Reliability engineering focuses on costs of failure caused by system downtime, cost of spares, repair equipment, personnel, and cost of warranty claims. (wikipedia.org)
  • High reliability (safety factor) levels also result from good engineering and from attention to detail, and almost never from only reactive failure management (using reliability accounting and statistics). (wikipedia.org)
  • In World War II, many reliability issues were due to the inherent unreliability of electronic equipment available at the time, and to fatigue issues. (wikipedia.org)
  • A main application for reliability engineering in the military was for the vacuum tube as used in radar systems and other electronics, for which reliability proved to be very problematic and costly. (wikipedia.org)
  • In 1950, the United States Department of Defense formed group called the "Advisory Group on the Reliability of Electronic Equipment" (AGREE) to investigate reliability methods for military equipment. (wikipedia.org)
  • Navy
  • In 1981, a derivative of the Hawk was selected by the United States Navy as their new trainer aircraft. (wikipedia.org)
  • On 22 December 2004, the Ministry of Defence awarded a contract to BAE Systems to develop an advanced model of the Hawk for the RAF and Royal Navy. (wikipedia.org)
  • military
  • Last year, an inquiry reported that the lack of a collision warning system on two military aircraft, which collided over the Moray Firth in 2012, directly contributed to the crash. (rt.com)
  • One of the first military fixed-wing aircraft to use an APU was the British, World War 1, Supermarine Nighthawk, an anti-Zeppelin Night fighter. (wikipedia.org)
  • citation needed] Around this period also the much-used (and also much-debated) military handbook 217 was published by RCA (Radio Corporation of America) and was used for the prediction of failure rates of components. (wikipedia.org)
  • Military customers often procured the Hawk as a replacement for older aircraft such as the BAC Strikemaster, Hawker Hunter, and Douglas A-4 Skyhawk. (wikipedia.org)
  • computer
  • Multiple user systems, which allow several people to share a single computer, are set up and administered by an 'owner' using the Multiple Users control panel. (apple.com)
  • Computer programming must recognize the failure and automatically reconfigure to restore operation. (wikipedia.org)
  • You shall be responsible for obtaining and maintaining all telephone, computer hardware and other equipment needed for access to and use of the Services and all charges related thereto. (weatherbug.com)
  • components
  • This quantiazation is difficult for software ---a bug exists or not, and the failure models used for hardware components do not apply. (wikipedia.org)
  • The new approach was to build distributed systems that continue to work when components are damaged. (wikipedia.org)
  • Active redundancy in active components requires reconfiguration when failure occurs. (wikipedia.org)
  • control
  • When an aircraft is under radar control, air traffic control (ATC) may replace some or all of these phases of the approach with radar vectors (ICAO radar vectoring is the provision of navigational guidance to aircraft in the form of specific headings, based on the use of radar). (wikipedia.org)
  • Some inspect water and wastewater treatment systems to ensure that pollution control requirements are met. (studentscholarships.org)
  • All control surfaces are actuated by dual hydraulically boosted irreversible systems. (wikipedia.org)
  • monitor and control the safety performance of the complex system (e.g., is a particular aircraft safe to fly when fuel valve x malfunctions? (wikipedia.org)
  • collision
  • "Collision avoidance systems should be installed with full haste," it said. (rt.com)
  • Responding to the report, an MoD spokesperson confirmed "a collision avoidance system is being fitted to the Tornado GR4," the type of aircraft involved in the 2012 crash. (rt.com)
  • operation
  • They also help in the quality assurance, testing, and operation of advanced technology equipment used in producing aircraft and the systems that go into the aircraft. (collegegrad.com)
  • Satellites placed into orbit around the earth must include massive active redundancy to ensure operation will continue for a decade or longer despite failures induced by normal failure, radiation-induced failure, and thermal shock. (wikipedia.org)
  • Annex 13 further defines an aviation incident as an occurrence, other than an accident, associated with the operation of an aircraft which affects or could affect the safety of operation. (wikipedia.org)
  • 1973
  • The GPS project was launched in the United States in 1973 to overcome the limitations of previous navigation systems, integrating ideas from several predecessors, including a number of classified engineering design studies from the 1960s. (wikipedia.org)
  • On 21 February 1973, the aircraft left Tripoli, and became lost because of a combination of bad weather and equipment failure over northern Egypt. (wikipedia.org)
  • flight
  • To achieve the higher power they incorporated turbo-superchargers and more demanding cooling systems with even more need for in-flight adjustment. (ethw.org)
  • A failure such as a bad resistor in all flight control computers would be addressed here. (wikipedia.org)
  • Flight data recorders showed that the aircraft had taken off with flaps at 0°, and that the alarm for that abnormal takeoff configuration had not sounded. (wikipedia.org)
  • At the time of purchase, it was decided to incorporate new aircraft carrier technologies into the design, making Melbourne the third ship to be constructed with an angled flight deck. (wikipedia.org)
  • The scrapping was delayed so Melbourne could be studied by the People's Liberation Army Navy (PLAN) as part of a secret project to develop a Chinese aircraft carrier and used to train PLAN aviators in carrier flight operations. (wikipedia.org)
  • As the lead ship of the Majestic-class of light aircraft carriers, Melbourne was conceived as a modified version of the Colossus-class carrier, incorporating improvements in flight deck design and habitability. (wikipedia.org)
  • In late March 1934, Rothermere placed an order for a single Type 142 aircraft, under which he paid for half of the estimated £18,500 cost up front and the remainder upon the aircraft's first flight in the following year. (wikipedia.org)
  • Flight tests soon proved that the aircraft was in fact faster than any fighter in service with the Royal Air Force (RAF) at the time, having demonstrated a top speed of 307 mph. (wikipedia.org)
  • Radar Systems
  • Included in the deal are 26 AN/TPQ-53(V) Radar Systems to include Solid State Phased Array Radar with KN-4083 Selective Availability Anti-Spoofing Module (SAASM) enhanced Land/Sea Inertial Navigation System (INS) and automatic leveling system, as well as various equipment, training and materials. (defenseindustrydaily.com)
  • The magnetron allowed radar systems to operate at microwave frequencies, which greatly reduced the size of their antennas and made them much more mobile and accurate. (wikipedia.org)
  • The Army began serious research in radar systems in 1937, after being introduced to the developments made by the Air Ministry at their experimental station at Bawdsey Manor. (wikipedia.org)
  • Royal Navy
  • The design of GPS is based partly on similar ground-based radio-navigation systems, such as LORAN and the Decca Navigator, developed in the early 1940s and used by the British Royal Navy during World War II. (wikipedia.org)
  • type
  • In either instance, provided that the primary responsibility of the position is professional accounting work of the type otherwise included, the use of data processing equipment of any type does not of itself exclude a position from the accountant description nor does it change its level. (hotjob.us)
  • transport
  • The crew size on early transport airplanes was largely determined by the mission of the airplane and functionality of the equipment installed on the airplane. (ethw.org)
  • modern
  • It was later intended to carry short-range anti-shipping missiles to further enhance its survivability against more modern ship-based anti-aircraft weapons. (wikipedia.org)
  • Kesselring was hoping to build a new air force out of the Flying Corps being constructed in the Reichswehr, and required modern aircraft. (wikipedia.org)
  • mode
  • The Common Mode Analysis (CMA) looks at the redundant critical components to find failure modes which can cause all to fail at about the same time. (wikipedia.org)
  • series
  • It was the only fatal accident for Spanair (part of the SAS Group) in the 25-year history of the company, and the 14th fatal accident and 24th hull loss involving MD-80 series aircraft. (wikipedia.org)
  • requirements
  • Labour difficulties, late delivery of equipment, additional requirements for Australian operations, and the prioritisation of merchant shipping over naval construction delayed the completion of Majestic. (wikipedia.org)
  • development
  • In addition to GPS, other systems are in use or under development, mainly because the US government can selectively deny access to the system, as happened to the Indian military in 1999 during the Kargil War, or degrade the service at any time. (wikipedia.org)
  • In about mid-1956 a contract for approximately $300,000 was awarded by Wright Air Force Base to Litton Industries for the development of such "Aircraft Attitude System. (wikipedia.org)
  • The Cold War missile race spurred the development of smaller, lighter and more accurate inertial systems. (wikipedia.org)
  • time
  • The accident occurred as the aircraft attempted to take off, at 14:24 local time, due to the pilot's failure to deploy the flaps and slats as required for takeoff. (wikipedia.org)
  • The war did however cause several members of the government to resign, including the Foreign Secretary Lord Carrington, the most recent time that a UK government minister resigned openly in response to a failure of his department (in not anticipating the war). (wikipedia.org)
  • By this time the aircraft had been lost from the Egyptian air traffic control. (wikipedia.org)
  • perform
  • Perform the system level FHA in parallel with allocation of aircraft functions to system functions, and initiate the CCA. (wikipedia.org)
  • left
  • The aircraft left the ground momentarily, rolled to the right, and impacted the ground next to the runway. (wikipedia.org)
  • early
  • The main reason for the unwieldiness of the early GL systems was a side-effect of the radio frequencies they used. (wikipedia.org)
  • safety
  • Both companies and the FAA seek to ensure the highest standards for the safety of the aircraft. (cerritoscollege.net)
  • The Zonal Safety Analysis (ZSA) looks at each compartment on the aircraft and looks for hazards that can affect every component in that compartment, such as loss of cooling air or a fluid line bursting. (wikipedia.org)
  • Representatives from the US National Transportation Safety Board, the aircraft manufacturer Boeing (as successor to McDonnell Douglas, the original aircraft manufacturer), and the engine manufacturer Pratt and Whitney supported the investigation. (wikipedia.org)
  • built
  • The Cirrus SR20 is an American piston-engine, four-or-five-seat, composite monoplane built by Cirrus Aircraft of Duluth, Minnesota. (wikipedia.org)
  • automatic
  • Prior to the war, radio navigation was restricted to radio ranges and later automatic direction finding equipment (ADF. (ethw.org)
  • course
  • Both instrument and navigational error caused the aircraft to go off course, entering airspace dominated by Israel when flying over the Sinai Peninsula. (wikipedia.org)
  • billion
  • For the UK, the war cost 255 men, six ships (ten others suffered varying degrees of battle damage), 34 aircraft and £2.778 billion, but the campaign was considered a great victory for the United Kingdom. (wikipedia.org)
  • full
  • aircraft took off with a full load of weaponry and minimal fuel, and would subsequently rendezvous with a Supermarine Scimitar that would deliver the full load of fuel by aerial refuelling. (wikipedia.org)
  • British
  • The Blenheim was one of the first British aircraft with an all-metal stressed-skin construction, retractable landing gear, flaps, a powered gun turret and variable-pitch propellers. (wikipedia.org)