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  2. Uncontrolled decompression - Wikipedia

    en.wikipedia.org/wiki/Uncontrolled_decompression

    In this test chamber, air pressure drops suddenly to that of the atmosphere at 60,000 ft (18,000 m). Air humidity immediately condenses into fog, which within seconds evaporates back into gas. The term uncontrolled decompression here refers to the unplanned depressurisation of vessels that are occupied by people; for example, a pressurised ...

  3. Pitot–static system - Wikipedia

    en.wikipedia.org/wiki/Pitot–static_system

    The pitot pressure is obtained from the pitot tube.The pitot pressure is a measure of ram air pressure (the air pressure created by vehicle motion or the air ramming into the tube), which, under ideal conditions, is equal to stagnation pressure, also called total pressure.

  4. Leak-down tester - Wikipedia

    en.wikipedia.org/wiki/Leak-down_tester

    In the United States, FAA specifications [1] state that engines up to 1,000 cu in (16 L) engine displacement require an 0.040 in (1.0 mm) orifice diameter, 0.250 in (6.4 mm) long, 60-degree approach angle. The input pressure is set for 80 psi (550 kPa), and 60 psi (410 kPa) minimum cylinder pressure is the accepted standard.

  5. Instrument rating in the United States - Wikipedia

    en.wikipedia.org/wiki/Instrument_Rating_in_the...

    Hold a current FAA Medical Certificate, unless the Practical Examination is administered, in its entirety, in an FAA-certified Level D Flight Training Device. Receive and log ground training from an authorized instructor (i.e. ground school course) or complete a home-study course using an instrument textbook and/or videos.

  6. Chicken gun - Wikipedia

    en.wikipedia.org/wiki/Chicken_gun

    The first chicken gun, built in 1942 by the US Civil Aeronautics Administration and the Westinghouse Electric and Manufacturing Company, being fired at a glass panel.. A chicken gun or flight impact simulator is a large-diameter, compressed-air gun used to fire bird carcasses at aircraft components in order to simulate high-speed bird strikes during the aircraft's flight.

  7. Cabin pressurization - Wikipedia

    en.wikipedia.org/wiki/Cabin_pressurization

    The pressure differential varies between aircraft types, typical values are between 540 hPa (7.8 psi) and 650 hPa (9.4 psi). [35] At 39,000 ft (11,887 m), the cabin pressure would be automatically maintained at about 6,900 ft (2,100 m), (450 ft (140 m) lower than Mexico City), which is about 790 hPa (11.5 psi) of atmosphere pressure.

  8. Small arms ammunition pressure testing - Wikipedia

    en.wikipedia.org/wiki/Small_arms_ammunition...

    The test cartridge must be inserted into the chamber in such a way that the hole in the test cartridge case lines up with a gas port hole that channels the gas pressure from the cartridge case to the face of the sensor. The measurement accuracy of the pressure measurements with 21st century high-pressure sensors is expected to be ≤ 2%. [7]

  9. Flight test instrumentation - Wikipedia

    en.wikipedia.org/wiki/Flight_test_instrumentation

    Flight test instrumentation (FTI) is monitoring and recording equipment fitted to aircraft for specific flight tests. The development program for a new aircraft design has a number of aircraft each of which has tasks to perform for development and certification tests. They are each fitted with FTI specific to their allotted tasks.

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