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Flight instruments provide the pilot with information about the flight situation of that aircraft, such as altitude, speed and direction; and are of particular use in conditions of poor visibility, such as in clouds, when such information is not available from visual reference outside the aircraft.
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2
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How do aircraft stall warning systems handle (or not) asymmetric-stall situations?
Most, if not all, new airplanes are required to have stall warning systems to (as the name should make clear) provide the pilots with a warning when the airplane is about to stall. Most stall warning …
3
votes
1
answer
535
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Why don't all pilots receive at least basic instrument training?
Given the frequency with which non-instrument-rated pilots get themselves killed attempting to continue VFR flights into instrument conditions, why don't all pilots receive at least basic instrument t …
3
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0
answers
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Why was the Tu-104 so prone to navball-disabling electrical power failures?
Of the (rather numerous) accidents involving the Tu-104, several were either caused or aggravated by major electrical failures, which disabled the aircraft's navballs, which caused the pilots to becom …
31
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2
answers
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What is the purpose of the Dash 8’s “TOUCHED RUNWAY” warning light?
The DHC-8-400 (and possibly other DHC-8 variants) has (or, at least, had in late 2007, according to Appendix G of this AAR) a warning light labelled “TOUCHED RUNWAY”.
The extract of the DHC-8-400’s QR …
4
votes
1
answer
928
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How do you realign a directional gyro in an area of magnetic unreliability?
The primary means of determining heading in most small aircraft is the directional gyro, as this instrument is unaffected by the magnetic dip errors that cause a magnetic compass to give the wrong hea …
3
votes
4
answers
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Do any aircraft have a "self-contained ILS"?
The ILS is an invaluable aid to pilots, especially those operating to/from the many airports where poor weather is common (low-visibility operations would be completely impossible without an ILS); how …
8
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3
answers
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Why do aircraft stall warning systems use angle-of-attack vanes rather than detecting airflo...
Stall warning and protection systems on essentially all aircraft work by using several hinged vanes on the side of the fuselage (usually at least three, and preferably more), which align themselves wi …
3
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1
answer
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What are these engine gauges in the Comet 4 for?
What are these gauges on the Comet 4's engine-gauge panel (between the captain's and first officer's instruments, above the throttle levers), marked "POWER LOSS INDICATOR", for? (Sorry for the blurry …