Systems K1A to K1E 2
PA.I.G.K2 Indications of and procedures for managing system abnormalities or failures
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1. Which instrument(s) will become inoperative if the static vents become clogged?
Answer (B) is correct. (FAA-H-8083-25B Chap 8) The pitot-static system is a source of air pressure for the operation of the airspeed indicator, altimeter, and vertical speed indicator. Thus, if the static vents become clogged, all three instruments will become inoperative.
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2. If the pitot tube and outside static vents become clogged, which instruments would be affected?
Answer (C) is correct. (FAA-H-8083-25B Chap 8) The pitot-static system is a source of air pressure for the operation of the altimeter, airspeed indicator, and vertical speed indicator. Thus, if the pitot and outside static vents become clogged, all of these instruments will be affected.
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3. Which instrument will become inoperative if the pitot tube becomes clogged?
Answer (B) is correct. (FAA-H-8083-25B Chap 8) The pitot-static system is a source of pressure for the altimeter, vertical-speed indicator, and airspeed indicator. The pitot tube is connected directly to the airspeed indicator and provides impact pressure for it alone. Thus, if the pitot tube becomes clogged, only the airspeed indicator will become inoperative.
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