Unanswered Questions
1,341 questions with no upvoted or accepted answers
16
votes
0
answers
489
views
Are there any analyses of GA tie-down failures?
After a big harbor storm, there are frequently analyses of why boats break free of their moorings. This information is used to improve upon best practices, resulting in fewer boats breaking free and ...
- 6,215
12
votes
0
answers
1k
views
How did Soapy get to fly Hornets?
Allegedly, in early June 1983, while flying a Sea Harrier during a NATO exercise off the coast of Portugal, Royal Navy's Sub-Lieutenant Ian "Soapy" Watson found himself in a rather ...
- 1,182
9
votes
0
answers
810
views
How can I convert a frozen ATPL from South Africa to an Iranian one?
I have got a frozen ATPL license from South Africa and I'm from Iran. I came back home last year and I have converted my CPL/IR license to the Iranian piloting license by doing Air Law and Human ...
- 169
8
votes
1
answer
445
views
Can a non-US registered aircraft be based in the US?
I am a Swiss citizen and I might have to move to the US for a couple of years. I own a small plane in Switzerland (HB-registered) and I'd like to take it with me to the US. As my stay in the US would ...
- 81
7
votes
0
answers
371
views
How to find the history of a particular NOTAM?
I have a tower at 1434 feet MSL and it has inoperative tower lights for at least 2 years. I can find a current NOTAM but would like to find out the history of the NOTAM. The current NOTAM is:
NOTAM #:...
- 71
7
votes
1
answer
574
views
Where does the FAA define the dimensions of Terminal Radar Service Area (TRSA) airspace?
The airspace over the United States is classified into various areas of "alphabet" airspace (A, B, C, D, E, G). This is known as "regulatory" or "rulemaking" airspace ...
- 19.2k
7
votes
0
answers
1k
views
What is the high pitched beep noise on A320s on startup?
Me and an engineer have been both breaking our heads over this, and no matter what we do we cannot figure this out. On certain A320 family aircraft, when the APU initializes/external power generator ...
- 71
7
votes
0
answers
2k
views
Can I buy a A320 FCOM, FCTM and QRG as non-pilot?
I am very interested in the Airbus Systems. I really like the FCOM of the A320, there are some of them on the internet.
However, I like holding physical books in my hands more, than reading them on a ...
- 9,092
7
votes
1
answer
785
views
Engine Bearings Damage in Radial Engines
Studying the P47's dive performance in DCS, I noticed how it's easy to damage the engine bearings if you windmill the prop at high speed.
Doing some research, I discovered that all radial engines are ...
- 329
6
votes
0
answers
214
views
Why does the Airbus A300/A310 have only 1 electric trim switch on the yoke instead of 2?
Most planes have 2 electric trim switches per yoke as a safety measure as one completes the circuit, activating the system, whereas the other controls the motor to activate the trim. Plus, its also ...
- 129
6
votes
0
answers
689
views
Why is the F-104 Starfighter’s afterburner thrust not greatly impacted by altitude?
Here is a page from the F-104 flight manual. It shows the flight envelope for the F-104 Starfighter with the powerful J79-GE-19 turbojet engine:
I have a question regarding the shape of the ...
- 121
6
votes
0
answers
591
views
What does the A340's underwing bulge (plastron) look like?
From Wikipedia:
From the start, engineers noticed that the wings were not stiff enough to carry the outboard engines at cruising speed without warping and fluttering. To alleviate this, an underwing ...
user14897
6
votes
1
answer
1k
views
What is the procedure to appeal an FAA DPE who conducts exams in a manner that conflicts with certification standards?
Does the FAA have a formal process to allow applicants and instructors to appeal a DPE who does not conduct pilot examinations in a manner consistent with the ACS/PTS guidelines?
If yes, how does the ...
- 9,172
5
votes
0
answers
170
views
Historic European airway abbreviation `AD`?
Looking at historic (mid-60s) European airways charts, most of the airways have a colour+number naming scheme e.g. "Red One" abbreviated as R1, other ...
- 475
5
votes
0
answers
501
views
Why does the EA-18G Growler not have a gold-lined canopy like the Prowler?
I noticed that the EA-18G Growlers have a clearer canopy than the gold-lined canopy of the EA-6B Prowlers, which protects the crew from electromagnetic radiation. If the Growler doesn't have a gold-...
- 423