CAP 413
Radiotelephony Manual
Chapter 4 Page 33
5.4.2
Personnel providing an Air/Ground Communication Service must ensure that they do
not pass a message which could be construed to be either an air traffic control
instruction or an instruction issued by FISOs for specific situations. Clearances
initiated by an air traffic control unit may be relayed but the name of the authority must
be included in the message, e.g:
‘London control clears you to join controlled airspace . . . ’
NOTE:
Air Traffic Control clearances passed to radio operators to be issued on
behalf of the ATC unit are to be read back in full to the issuing authority. The
pilot is to readback, in full, the clearance relayed by the Air/Ground
Communication Service operator.
NOTE:
Air ground operators must not use the expression ‘at your discretion’ as this
is associated with the service provided by FISOs and is likely to cause
confusion to pilots.
5.4.3
An example of a typical RTF exchange is detailed below:
Table 3
Event
Response
A/C requests taxi information
(Aircraft callsign) runway (designation) left/right
hand circuit wind number (degrees) number
(knots) QFE/QNH (pressure) hectopascals.
A/C reports wishing to cross a runway
(Aircraft callsign) (traffic
information e.g. no
reported traffic or,
after the (aircraft type) has landed no reported
traffic).
A/C reports ready to take off
(Aircraft callsign) no reported
traffic (or traffic is...)
surface wind (number) degrees (number) knots.
A/C reports airborne
(Aircraft callsign) roger
A/C overflying reports entering ATZ or
asks for traffic information
(Aircraft callsign) (traffic information) (aerodrome
information)
A/C requests joining information for a
landing
(Aircraft callsign) runway (designation) left/right
hand circuit surface wind (number) degrees
(number) knots, QFE/QNH (pressure)
hectopascals (traffic information).
A/C reports joining circuit
(Aircraft callsign) roger, (plus, when applicable,
updated traffic information and any changes to
aerodrome information).
A/C reports landed and/or runway
vacated
(Aircraft callsign) (any appropriate aerodrome
information
).
Seaton Radio, G-ABCD, radio check
123.0 and request taxi information
G-ABCD, Seaton Radio, readability 5
runway 23 left hand circuit QNH
1022
G-ABCD, readability 5 also, taxiing
for runway 23 left hand QNH 1022
G-CD, Roger
17 November 2011
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