CAP 413
Radiotelephony Manual
Appendix 1 Page 3
CAP 413
Chapter 4
Note: phraseology
used by Flight
Information Service
Officers at
aerodromes and by
controllers in
relation to specified
helicopter
manoeuvres
In the UK, additional phrases,
LAND AT
YOUR DISCRETION
and
TAKE-OFF AT
YOUR DISCRETION
are used.
These phrases may be used under
certain conditions and indicate that
a landing clearance or a take-off
clearance cannot be issued and any
landing or take-off is to be
conducted at the pilot’s discretion.
Annex 10
See UK AIP GEN 1.7
The following method of ending
conversations is not used in the UK.
‘A
radiotelephone conversation shall be
terminated by the receiving station
using its own callsign’
(ICAO).
In the UK the word
OUT
is used to
indicate that the transmission has ended
and no response is expected.
When there little possibility of
confusion or misunderstanding, the
word
OUT
is normally omitted.
Annex 10
See UK AIP GEN 1.7
Radiotelephony Reply Procedure
In the UK under certain circumstances
the answering ground station may omit
its callsign.
Omitting the ground station callsign
may reduce RTF congestion and
therefore improve safety standards
at busy ATC units.
See UK AIP Gen 1.7
Helicopter Phraseology
Additional radiotelephony terms for
helicopter operations are defined for use
in the UK.
To reduce the possibility of
misunderstanding, several
additional terms pertaining to
rotarywing operations are defined
for use in the UK.
Annex 10
See UK AIP GEN 1.7
Listening Watch on 121.5 MHz
ICAO requirements for Aeronautical
Station Listening Watch on VHF
emergency channel 121.5 MHz are not
applied in the UK.
VHF emergency channel frequency
121.5 MHz is not routinely
monitored at civil aerodromes,
however, it is monitored H24 at
Area Control Centres with coverage
over most of the UK above 3000 ft
amsl.
PANS ATM
See UK AIP GEN 1.7
For level changes and reports,
TO
shall
only be used in connection with altitude
or height, e.g.
DESCEND TO ALTITUDE
3000 FEET.
It is not used when
describing Flight Levels, e.g.
CLIMB
FLIGHT LEVEL 250
.
TO
is not used in connection with
Flight Levels, in order to reduce the
possibility of misunderstanding in
circumstances where the Flight
Level includes the figure two, e.g.
FLIGHT LEVEL 220
.
PANS-ATM
See UK AIP GEN 1.7
'CRUISE CLIMB'
is not used in the UK.
Source/Additional
Information
Details of ICAO/UK Difference
Reason/Remarks
17 November 2011
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