CAP 413 Radiotelephony Manual
Chapter 10 Page 16
From this point, the controller should ascertain the type of recovery required, identify
the aircraft and provide positioning instructions for the requested recovery procedure.
It may also be necessary to ascertain whether there are any casualties on board. If
the list becomes exhausted without ascertaining the emergency then the controller
may use additional questions to understand the problem but not to the detriment of
providing appropriate control to recover the aircraft expeditiously. Furthermore, if the
pilot indicates the aircraft has suffered a further emergency at any point beyond either
the speechless emergency or any other identified through questioning, then the
controllers should start the questioning process again, time and circumstances
permitting.
A pilot, when calling for either an actual or practice speechless recovery, may
already be receiving a radar service from the controller, which may assist
identification:
On transfer between controllers it is important for the receiving controller to confirm
that the speechless aircraft calling him is the same one that has been transferred to
him from the other controller. The pilot will initiate contact with the receiving
controller using the Homing/Request Assistance call:
A gear check for a Speechless aircraft must be a direct question:
3.17 Military Missed Approach
At variance to Chapter 4 Paragraph 1.10.1, an ATCO instructing an aircraft carrying out
an instrument approach at a military unit to carry out a Missed Approach Procedure
will use the following phraseology:
Within the visual circuit, the phraseology defined within Chapter 4 Paragraph 1.10.1
is to be used. On being instructed to go around, the aircraft is to break off the
approach and climb to circuit height, normally on the deadside (or as briefed, if
different, at specific aerodromes).
Speechless aircraft, were you
formerly (callsign)?
Speechless aircraft, Markston
talkdown, are you Speechless 1
from Markston Director?
Speechless 1, is your gear down?
Gauntlet 25, execute Missed
Approach Procedure, acknowledge
Executing Missed Approach
Procedure, Gauntlet 25
31 March 2011
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