Unanswered Questions

904 questions with no upvoted or accepted answers
11
votes
0answers
417 views

How controllable is the 737 in single-engine manual-reversion flight? Is it controllably landable (or go-around-able) in this condition?

The 737 is practically the only civilian jetliner still in production1 to have provisions for flight-control manual reversion; in the event of a total failure of the A and B hydraulic systems, the 737’...
10
votes
1answer
325 views

Why do we have to perform a full ADIRS alignment between latitudes of 2 degrees North and South on the A320 family?

In the latest FCOM revision under the preliminary cockpit preperation normal procedures chapter ADIRS alignment has been added. However most of the conditions remain the same except for a new line ...
8
votes
0answers
291 views

Did the Phantom F-4 contain “polychron” or other synthetic materials as a replacement for rubber circa 1969?

update: In order to make it easier to answer this question, use of "synthetic materials as a replacement for rubber circa 1969" in any aircraft might be good enough. Michael Crichton's 1969 ...
8
votes
0answers
265 views

How to know that single engine aeroplanes are not allowed to depart on the TETAN SID?

I'm studying for my IR exam and came across another tricky AIP question. Which of the following statements about the TETAN 1A standard departure chart are correct? Single engine aeroplanes ...
8
votes
3answers
684 views

Do aircraft using only spoilerons for roll control, with no conventional ailerons, have a crossover airspeed?

Airplanes generally have a crossover airspeed (a minimum airspeed below which directional control of the airplane cannot be maintained in the event of a rudder hardover). This is because, as airspeed ...
7
votes
0answers
562 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 ...
7
votes
0answers
212 views

Who is this flyer seen in Oakland c. 1929?

Looking for identification of the man on the left. Second from left is W.A. "Sandy" Sanders, third is Denny Wright, and fourth is Clyde Sunderland. Oakland, around 1929.
7
votes
0answers
362 views

Which US airport has the lowest circling MDH?

As I recently contemplated 14 CFR 135.223 and its implications, I began wondering about airports with exceptionally low circling minima. For a little context and background, the part of §135.223 that ...
7
votes
1answer
263 views

How are “charter” and “passenger” flights defined in the AIDX standard?

I'd like to know the difference between these flight types in the IATA AIDX standard; specifically, for use in fuel order notifications.
7
votes
1answer
505 views

What is the time information on the G1000 MFD map during a hold?

I just completed an ILS approach and went missed. I followed the published missed approach and entered the hold. When I entered the hold, on the MFD map a timer-like display was on top of the "...
6
votes
0answers
95 views

Why does the flare mode of the A321neo engage 50 feet higher than the A321ceo?

When passing 100 ft RA, the THS is frozen and the normal flight mode changes to flare mode as the aircraft descends to land. The flare mode is essentially a direct stick-to-elevator law without auto ...
6
votes
0answers
83 views

Why do GPS Copter Approaches require a slower final approach speed than conventional Copter Approaches?

AIM 10-1-2 says helicopter instrument approaches are designed with a maximum speed of 90 KIAS. However, it specifically exempts the final segment on GPS helicopter approaches, saying the maximum speed ...
6
votes
1answer
228 views

Do tower-controlled helipads have a standard naming convention?

Just wondering if anyone knows, or if it just depends on the airport. Edit: This question is different than How does the FAA determine which format of location identifier to assign to an airport?. ...
6
votes
1answer
3k views

What makes someone a 'Senior First Officer'?

Some airlines have a Senior First Officer rank. Apart from the title and (presumably) the pay, what makes them different from a regular First Officer? Do they have any differing duties or ...
5
votes
0answers
126 views

How often do talk-down landings go wrong?

There are some well documented stories of non-pilots successfully landing airplanes after the pilot was incapacitated. Usually this involves radio assistance by ATC and/or flight instructors. My ...

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