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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.
9
votes
Accepted
What navigational aid(s) would WWII bomber pilots have used while flying in instrument condi...
The accident report is referring to Radio Range navigation which predates ADF or VOR navigation.
Radio Range is used by listening to a radio tone. When the pilot is on course, he hears a steady tone …
16
votes
Why is Landing Altitude displayed in amber on B777?
The Boeing 777 is a very automated aircraft. The takeoff altitude, landing altitude, and cabin pressurization altitude are all automatically set when you enter the departure airport and destination a …
1
vote
How does the mechanical linkage of the airspeed indicator convert dynamic pressure to KIAS?
Some early airspeed indicators were much simpler.
6
votes
What is the name of the dotted line that shows the predicted turn radius, found on the Navig...
The segmented white line is called the “Position Trend Vector”.
7
votes
If you were to fly an ILS in a knife edge would you receve GS and LOC be flipped?
As long as the aircraft accurately flies down the ILS, it doesn’t matter if it is knife edge, inverted, etc. The indications on the GS and LOC will stay centered. If you deviate from the GS or LOC the …
25
votes
Accepted
Why would a C150 tachometer bounce so much that the needle fell off?
Cessna 150s have a mechanical tachometer driven by a mechanical tach drive cable geared to the engine.
The tach needle is moved by sensing spinning magnets driven by the tach cable.
They do wear ou …
27
votes
Why was the WWII RAF fighter joy stick loop design not used widely?
A control stick with a loop at the top was called a "Spade Stick". Generally only Hurricanes and Spitfires had them.
The cockpits on these aircraft were small and it was a problem for the control c …
1
vote
How do airplanes measure cross-wind?
Modern airliners have Flight Management Computers that automatically calculate the crosswind component and then apply any necessary course corrections in any Lateral Navigation mode.
Many can also dis …