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Unanswered Questions

724 questions with no upvoted or accepted answers
11
votes
0answers
84 views

Why does spoiler extension cause straight-wing Learjets to pitch down, rather than up, and why did it take so long to discover this?

Straight-wing Learjets (the 23, 24, 25, 35, and 36), the first generation of the popular business-jet series, are (especially when not equipped with any of the many first- and third-party wing ...
9
votes
0answers
117 views

Which commercial aircraft can fly Micro-SLOP procedures?

"Strategic Lateral Offset Procedures (SLOP) are approved procedures that allow aircraft to fly on a parallel track to the right of the centre line relative to the direction of flight to mitigate ...
9
votes
1answer
534 views

Can the RAM AIR valve cause depressurization on the CRJ-900?

On the CRJ-900 AIR-CONDITIONING panel there is a RAM AIR switch light which opens a valve and allows air from the ram air scoop to enter the mixing manifold for distribution to both the flight deck ...
9
votes
3answers
232 views

What would the altimeter indication be through a cold front?

Cold air is heavier than hot air because of its greater density, so the QNH of an airport inside a cold front would be higher. Flying towards the cold front would be, "low to high, hello sky". But I ...
8
votes
0answers
523 views

Can anyone identify what/where this photo is of?

This is a photo by the Real Photograph Co. (Liverpool) No.684. I think it may be a crashed WW1 Biplane (lots of the photos with it were WW1 biplanes).
8
votes
1answer
344 views

Why must a pilot enter “Upwind” when entering the traffic pattern for RWY 9 at Linden (LDJ) airport in New Jersey?

The chart supplement procedures require aircraft to enter the traffic pattern "Upwind" for Runway 9 at Linden (LDJ) airport in New Jersey. Question: Why is this required? Chart Supplement: New York ...
8
votes
0answers
75 views

How is a 14 CFR 101 sUAS NOTAM filed for an unregistered aircraft?

FAA promotes the utilization of NOTAMs to announce sUAS operations, and requires it in 333 exemptions and some 107 waivers. However, sUAS (drones / model aircraft) under 14 CFR 101 have been ...
7
votes
0answers
133 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 ...
7
votes
1answer
313 views

What is the primary reason that the non-towered airports KACV and KTLV have E4 extensions to E2 airspace?

NOTE-- this question is not about why it was desired to protect the airspace that ended up within the E4 "extensions". Rather, this question is about why that was done by designating that airspace as ...
7
votes
0answers
272 views

What is the longest time after which plane crash survivors were rescued?

I found: Aviator Bob Gauchie detains the record for solo arctic survival by a downed airman, enduring 58 days of arctic weather before his rescue in Canada 1967. After 72 days on the glacier, 16 of ...
7
votes
0answers
419 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
1answer
99 views

Why are some US STAR fixes/waypoints included in FAA's legacy files but not in FAA's published STAR procedures?

I have noticed that some US STAR procedures include (slightly) different number of waypoints, depending on which source material is consulted. Take for example the CAMRN4 STAR and its corresponding ...
7
votes
0answers
287 views

Who was the first flight test engineer?

The discipline of Flight Test Engineering has existed since at least 1903, but when did engineers identify their work, distinguish their work from other disciplines, under terms that would mark it as ...
7
votes
1answer
681 views

When is this Class D airspace not Class D airspace?

The Terminal Area Chart (TAC) shows the Class D airspace for Los Angeles International Airport (KLAX) view the full TAC. I have highlighted in green the north and south portions of the Class D ...
7
votes
1answer
394 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 "...

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