37 votes

When told "call sign only" in a frequency change, how to transmit it?

You always start a communication with the intended receiver, so in this case it would be London Approach, BAW211. What the controller is telling BAW211 is that London Approach has the relevant details ...
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24 votes

How often does a pilot ask ATC for a repeat?

How often is hard to quantify, but in general I would suggest the answer is all the time. ATC is there to help you, as a service to you as a pilot. Sometimes out of necessity things are said quickly ...
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  • 25k
23 votes

How often does a pilot ask ATC for a repeat?

In one study undertaken in France, 3% of transmissions are requests for confirmation, and a third of those are "say again". The reasons are mentioned in the quotation below: Errors and ...
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  • 119k
19 votes

When told "call sign only" in a frequency change, how to transmit it?

You always include the identifier of the addressee, so London Approach, Speedbird 211. This triggers the air traffic control officer, who may be mentally busy with something else, to listen. If the ...
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  • 74.2k
13 votes

When told "call sign only" in a frequency change, how to transmit it?

According to the International Federation of Air Traffic Controllers' Associations, it does cause some confusion: [...] However, as there is no internationally recognised version of this procedure ...
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  • 119k
9 votes
Accepted

Can ATC provide vectors and separation service to and between IFR aircraft in areas where radar coverage does not exist using ADS-B only?

Yes. In the United States, ADS-B may be used as the sole surveillance source for the provision of ATC services (including IFR-IFR separation) provided that the automation system ("radar scope&...
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  • 9,456
8 votes
Accepted

How to find ATC recordings for a May 8th general aviation crash?

I have found one audio file which contains communications from N801DT near the beginning of the flight. I was not able to find anything more than that. BVU does not have an airport traffic control ...
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7 votes
Accepted

Is it possible to find out the actual reason for the diversion of V72578 of 15/04/2022?

I don't know the actual reason, but I suspect that the curfew is indeed it. If the aircraft would have continued to LUX, it would have arrived probably just before the curfew. Whilst this would get ...
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6 votes

When an emergency happens, why do pilots need to stay on the current ATC frequency?

A pilot having an emergency is told to aviate, navigate, and communicate. Presumably the pilot has his/her hands full, and an unwarranted frequency change adds to the complexity. If you were flying ...
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6 votes

Can air traffic control see control panel selections (I.e. FCU on A320 or MCP on B737)?

Apparently they can if the ATC facility supports Mode-S EHS transponders. According to the linked Skybrary article Aircraft compliant with Mode S EHS provide ELS functionality features (see above) ...
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4 votes
Accepted

Do pilots of modern high-end aircraft normally communicate their destination to ATC?

In the usa, yes, the destination airport is transmitted verbally over the radio by many pilots at many airports. As you say, at certain airports and for certain operators the IFR clearance may be ...
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  • 9,456
4 votes

How do pilots/controllers deal with overlapping transmissions on the radio?

Most of the time there will be an identifiable fragment of one transmission that will allow the controller to say, "Aircraft at flight level three three zero say again." After that ...
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3 votes

Has Air Traffic Control ever had to talk a first time pilot through a landing due to an emergency?

A totally inexperienced passenger of a Cessna 208 from the Bahamas successfully landed in Palm Beach on May 10, 2022 with guidance from a controller who is also a flight instructor. https://www.wpbf....
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3 votes

How often does a pilot ask ATC for a repeat?

How often can it happen or how often should it happen are different questions from what you asked. You asked how often it does happen. I’d disagree from the “all the time” answer. In fact, in my ...
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2 votes

How often does a pilot ask ATC for a repeat?

Also is it fine to ask them to slow down if its hard to understand for example due to heavy accent? The ICAO standard phraseology manual includes the phrase SPEAK SLOWER meaning "Reduce your ...
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  • 121
2 votes

When an emergency happens, why do pilots need to stay on the current ATC frequency?

Here is another possibility, almost the inverse of @StephenS's suggestion. (Note that Stephen's suggestion is very much correct as well; if you are already in contact with ATC on a "normal" ...
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  • 9,456
2 votes
Accepted

How did ICAO SARPS come to include the 250 knots speed limit for aircraft below 10,000 feet?

VFOP (1985) The speed limits are in Appendix 4 to ICAO SARPs Annex 11, which is all about the A–G airspace classes, and this is the clue I've been missing all along, because the ICAO airspace ...
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  • 119k
2 votes

Can ATC provide vectors and separation service to and between IFR aircraft in areas where radar coverage does not exist using ADS-B only?

I am not 100% certain about the USA rules but in Australia which is based on ICAOs rules ADS-B is the same as SSR (Secondary Surveilance Radar) for the purpose of providing surveillance seperation. ...
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  • 1,234
1 vote

What is the vertical separation minima between IFR and VFR?

When a seperation service is applied those are the vertical seperation standards applied. The only different between IFR and VFR is the class of airspace and if a serperation service is applied. ...
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