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Unanswered Questions

11
votes
2answers
723 views

Why is there a helicopter visibility reduction restriction for this approach?

For the RNAV (GPS) RWY 17 approach at KSMN, why does it say "Helicopter visibility reduction below 3/4 SM NA."? Looking at the LNAV, there is a 5 mile visibility requirement and if we cut that in ...
10
votes
1answer
436 views

Has an airplane ever been launched from a train?

Presumably helicopters have landed and lifted off railroad flat cars. Has an airplane ever been launched from a train? (my artwork) F-84 during project ZELL testing (info provided by jwenting)
9
votes
1answer
550 views

Is it a standard procedure to use emergency slides without imminent danger?

On 11 Jun 2017 Easyjet U23246 from Ljubljana to London Stansted diverted to Cologne-Bonn over a "suspicious conversation". All passengers were evacuated using the emergency slides, see BBC Video. ...
8
votes
0answers
71 views

Is there a way to register for updates on certain NTSB investigations?

I would like to track the progress of an investigation of a particular accident, NTSB WPR18FA200. Some areas of the FAA website (advisory circulars, for example) allow users to register to receive ...
7
votes
1answer
341 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
236 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 ...
6
votes
1answer
265 views

How to become Hybrid airship Pilot?

Are Hybrid Airship pilot different from other aircraft or helicopter pilot?
6
votes
0answers
109 views

Is there any comprehensive source for landing fee information?

Is there any comprehensive source for landing fee information for US airports? Airnav and the facility directory do not have landing fee information. Also, going to airport web sites often is ...
5
votes
0answers
127 views

Why didn't NWA 85 request/receive fighter jet help with their mysterious rudder failure?

I recently watched a documentary about the Northwest Airlines Flight 85. The flight experienced a grave rudder malfunction when it was over the Bering Sea and had to turn back for an emergency landing ...
5
votes
0answers
255 views

Aircraft Carrier Launches: ABE Checks and Signals

Somehow I got hooked on videos of aircraft carrier flight deck operations, and have been binge-watching over the last couple of days. (Glad it's a long weekend...) I've been able to understand many ...
5
votes
0answers
1k views

How can this ACARS message be decoded?

With regards to the text below, can someone offer either advice or a link to a website/document that would help decode ACARS messages. I am ok with the following: QU - ACARS "to" address Q - ACARS ...
5
votes
0answers
42 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 ...
5
votes
0answers
75 views

Were there ever instrument approach procedures utilizing only Four Course Range Navigation?

Looking for information on 4 Course Range instrument approach procedures. I am aware of their navigational use as we developed the airway system, but were they ever used for final approach segment ...
5
votes
0answers
1k views

What happened to the Boeing Y3 aircraft?

What happened to the Boeing Y3 aircraft? Did they ever produce a fully functional prototype? What is the likelihood that it will ever be produced, and when will they start production?
5
votes
0answers
316 views

Which countries (if any) allow beyond-line-of-sight drone use?

I was recently thinking about starting up a non-profit that would use large drones (full scale aircraft, not those dinky quadcopters) to deliver humanitarian aid to difficult locations. It was shot ...

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