Phraseology to Stop Take Off
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UK phraseology
If the aircraft has not commenced take-off.
(A/c identity) hold position, Cancel take-off – I say again cancel takeoff – acknowledge.
If it is rolling
(A/c identity) stop immediately – I say again (a/c identity) stop immediately – acknowledge. Aircraft commenced take-off.
There was a lot of very valuable guidance to controllers on the topic in ATSIN 68 - long withdrawn and gone from the web site. It seemed to me that only a fraction of the info went into other documents when the ATSIN was withdrawn.
If the aircraft has not commenced take-off.
(A/c identity) hold position, Cancel take-off – I say again cancel takeoff – acknowledge.
If it is rolling
(A/c identity) stop immediately – I say again (a/c identity) stop immediately – acknowledge. Aircraft commenced take-off.
There was a lot of very valuable guidance to controllers on the topic in ATSIN 68 - long withdrawn and gone from the web site. It seemed to me that only a fraction of the info went into other documents when the ATSIN was withdrawn.
Thread Starter
Thanks for the information - I thought that was the case.
On the thread reference an alleged runway incursion at JFK, I noted ATC used the phrase "Cancel take off" - is there an ICAO phraseology?
On the thread reference an alleged runway incursion at JFK, I noted ATC used the phrase "Cancel take off" - is there an ICAO phraseology?
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As with everything litigious, while an aircraft should not be expected to stop on this call above V1, should it have a 'nasty' stopping on an ATC call there is ample room for the lawyer sharks to circle. The US method (not using the word 'STOP') is actually safer, although a bit more cumbersome.
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Australian AIP GEN 3.4 5.14.6.4:
(my addition of the unwritten and assumed parts i.e. "(aircraft call-sign)")
The second one seems a pretty gutsy call to me. ATC of course don't have access to a particular flights V1 or ASI so I'd have to say that the ambiguity involved in the US terminology is less distracting to an aircrew although it is possible that it lacks the feeling of urgency that the word STOP invokes. I suppose that the tone of the controller's voice and any amplifying reasons stated will correct for this however.
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Take-off Clearance Cancellation:
ATC: (aircraft call-sign) HOLD POSITION, CANCEL, I SAY AGAIN CANCEL TAKE-OFF (reasons)
Pilot: HOLDING (aircraft call-sign)
to stop a take-off in emergency conditions note: Used only when an aircraft is in imminent danger:
ATC: (aircraft call-sign) STOP IMMEDIATELY (repeat aircraft call-sign) STOP IMMEDIATELY (reason).
Pilot: STOPPING RUNWAY (number) (aircraft call-sign)
ATC: (aircraft call-sign) HOLD POSITION, CANCEL, I SAY AGAIN CANCEL TAKE-OFF (reasons)
Pilot: HOLDING (aircraft call-sign)
to stop a take-off in emergency conditions note: Used only when an aircraft is in imminent danger:
ATC: (aircraft call-sign) STOP IMMEDIATELY (repeat aircraft call-sign) STOP IMMEDIATELY (reason).
Pilot: STOPPING RUNWAY (number) (aircraft call-sign)
The second one seems a pretty gutsy call to me. ATC of course don't have access to a particular flights V1 or ASI so I'd have to say that the ambiguity involved in the US terminology is less distracting to an aircrew although it is possible that it lacks the feeling of urgency that the word STOP invokes. I suppose that the tone of the controller's voice and any amplifying reasons stated will correct for this however.
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Has anybody here experienced this in the sim? Seems like a good one to mix things up a bit (and catch somebody like me off guard).
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It works in the real world. I've been 'stopped', ("Stop immediately..." is the phrase in the UK). Light aircraft on a parallel taxiway instructed to park on the grass turned onto the grass and then kept coming at a good speed towards us on the runway.
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Never worked TWR but once had a trainee scream "Stop" at a 747 at FL290.
He decided a career in management might be a better option.
(He hadn't realised I'd seen that he had lost it completely and had quietly unplugged him and resolved the conflict)
He decided a career in management might be a better option.
(He hadn't realised I'd seen that he had lost it completely and had quietly unplugged him and resolved the conflict)
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That's what the controlled copy of 413 says about cancelling take off clearance, chapter 4, page 9 and as the OP wanted to know the info... Well...there you go.
I prefer the miltary way. Callsign hold.
I prefer the miltary way. Callsign hold.
Last edited by dagowly; 11th Apr 2012 at 10:49.
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dagowly, as reportyourlevel says, you need to re-read the OP for the phraseology you have given is what is given before an aircraft has commenced its takeoff run. This is different to what is asked for in the OP, Civil Aerodrome ATCOs (in the UK) are well aware of the differences and I personally have been asked the for the different phraseology on every competency check in the last 3 or 4 years.