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J W's user avatar
J W's user avatar
J W's user avatar
J W
  • Member for 7 years, 5 months
  • Last seen this week
  • United States
50 votes
Accepted

What is this line found above the door on many aircraft?

42 votes
Accepted

What do these instruments do?

40 votes
Accepted

What are these holes in my Cessna 172, just in front of the elevator?

35 votes
Accepted

What priority if any is given to Emergency Services in flight clearance?

31 votes

Why are "counterweights" used in aircraft production?

30 votes

Why did WWII prop aircraft have colored prop tips?

29 votes
Accepted

What liability concerns would drive an airplane homebuilder to scrap their plane?

26 votes

What causes descending aircraft to make a noise like a giant blown bottle?

24 votes
Accepted

What are these aircraft at the Naval Air Weapons Station China Lake?

23 votes
Accepted

How does one test a stall warning during pre-flight?

23 votes
Accepted

Should head stay level or inclined in a bank?

22 votes
Accepted

What are these lines on the nose of a Boeing 737?

19 votes
Accepted

What are these spinning discs next to the throttle of the Boeing P-8 Poseidon?

19 votes
Accepted

How do investigators always know the logged flight time of the pilots?

19 votes
Accepted

How does one calculate true altitude?

18 votes
Accepted

What is that black pod on the left wing of a TBM?

18 votes
Accepted

What are the continued education requirements for commercial / airline pilots?

17 votes

Why isn't tungsten used in supersonic aircraft?

17 votes

Is it true that the red lights on building antennas help the aircraft "detect/visualize" ground objects?

17 votes

Is there a commonly recognized placeholder airline name?

16 votes

Which civilian airport has the most runways (current and planned)?

16 votes

Has a fixed-wing aircraft ever been built that featured multiple turbines powering a single propeller?

16 votes
Accepted

What is this substance on these pipe fittings?

16 votes
Accepted

Are the size and location of the registration number regulated?

16 votes

Why are 4 blade propellers often in X or + position when the aircraft is parked?

16 votes

Is it possible to take off on an elevated short field by "falling"?

15 votes

Which way should I rotate the propeller of a C172?

15 votes
Accepted

Why are only captains allowed to taxi the aircraft?

14 votes
Accepted

Has there ever been a tail-dragger with retractable tail-gear?

14 votes
Accepted

Is ETOPS satisfied solely by range circles?

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