CAP 413
Radiotelephony Manual
Chapter 4 Page 7
1.7.4
A take-off clearance shall be issued separately from any other clearance message.
1.7.5
For traffic reasons a controller may consider it necessary for an aircraft to take off
without any delay. Therefore, when given the instruction ‘cleared for immediate take-
off’, the pilot is expected to act as follows:
a) At the holding point: taxi immediately on to the runway and commence take-off
without stopping the aircraft.
b) If already lined up on the runway: take-off without delay. Should an immediate
take-off not be possible, the pilot is to advise the controller.
1.7.6
For reason of expedition a controller may wish to line-up an aircraft for departure
before conditions allow take-off.
1.7.7
In poor visibility the controller may prefix the clearance with the runway designator
and request the pilot to report when airborne.
1.7.8
Conditional clearances are only to be provided subject to conditions specified by the
relevant authority. Conditional phrases will not be used for movements affecting the
active runway(s), except when the aircraft or vehicles concerned are seen by the
controller and pilot. Conditional clearances are to relate to one movement only and, in
the case of landing traffic, this must be the first aircraft on approach. A conditional
instruction shall be given as follows:
a) callsign;
b) the condition;
c) identification of subject of the condition;
BIGJET 347, cleared for immediate
take-off
Cleared for immediate take-off,
BIGJET 347
G-CD, Piper Cub 2 miles on final
approach. Cleared for immediate
take-off wind 240 8 knots
Cleared for immediate take-off,
G-CD
BIGJET 347, line-up and wait –
vehicle crossing upwind end of
runway
Line-up and wait, BIGJET 347
BIGJET 347, cleared for take-off
Cleared for take-off, BIGJET 347
BIGJET 347, runway 28 cleared for
take-off report airborne
Runway 28 cleared for take-off.
Wilco, BIGJET 347
BIGJET 347, airborne
BIGJET 347, contact Radar 121.750
Radar 121.75, BIGJET 347
31 March 2011
Summary of Contents for 413
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