ICAO Abbreviations and Codes
ICAO Abbreviations and Codes
ICAO Abbreviations and Codes
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1-22 <strong>ICAO</strong> <strong>Abbreviations</strong> <strong>and</strong> <strong>Codes</strong> (PANS-ABC)<br />
Contact<br />
Continue(s) or continued<br />
Continuous<br />
Continuous day <strong>and</strong> night service<br />
Continuous wave<br />
Control<br />
Control area<br />
Control indicated is operational control<br />
Controller-pilot data link<br />
communications<br />
Control zone<br />
Coordinate or coordination<br />
Coordinated Universal Time<br />
Coordinated Universal Time<br />
(in meteorological messages)<br />
Coordinates<br />
Coordination (message type designator)<br />
Correct or correction or corrected (used<br />
to indicate corrected meteorological<br />
message; message type designator)<br />
Corrected meteorological message<br />
(message type designator)<br />
Course from a fix to an altitude<br />
Course from a fix to manual termination<br />
(used in navigation database coding)<br />
Course to a fix<br />
Course to an altitude<br />
Cover or covered or covering<br />
Cross<br />
Crossbar (of approach lighting system)<br />
Crossing<br />
Cruise<br />
Cumuliform<br />
Cumulonimbus (to be pronounced<br />
“CEE BEE”)<br />
Cumulus<br />
Current flight plan (message type<br />
designator)<br />
Customs<br />
Cyclic redundancy check<br />
CTC<br />
CONT<br />
CONS<br />
H24<br />
CW<br />
CTL<br />
CTA<br />
OPC<br />
CPDLC‡<br />
CTR<br />
COOR<br />
UTC‡<br />
Z<br />
COORD<br />
CDN<br />
COR<br />
CCA (or CCB,<br />
CCC . . . etc., in<br />
sequence)<br />
FA<br />
FM<br />
CF<br />
CA<br />
COV<br />
X<br />
XBAR<br />
XNG<br />
CRZ<br />
CUF<br />
CB‡<br />
CU<br />
CPL<br />
CUST<br />
CRC<br />
D<br />
Daily<br />
DLY<br />
Danger or dangerous<br />
DNG<br />
Danger area (followed by identification) D . . .<br />
Data link automatic terminal information<br />
service (to be pronounced “DEE-<br />
ATIS”)<br />
D-ATIS†<br />
Data link initiation capability<br />
DLIC<br />
Data link VOLMET<br />
D-VOLMET<br />
Date-time group<br />
DTG<br />
Datum crossing point<br />
DCP<br />
Dead reckoning<br />
DR<br />
December<br />
DEC<br />
Decision altitude<br />
DA<br />
Decision height<br />
DH<br />
Degrees<br />
DEG<br />
Degrees Celsius (Centigrade)<br />
C<br />
Delay (message type designator) DLA<br />
Delay or delayed<br />
DLA<br />
Delayed (used to indicate delayed<br />
meteorological message; message<br />
type designator)<br />
RTD<br />
Delayed meteorological message<br />
(message type designator)<br />
RRA (or RRB,<br />
RRC . . . etc., in<br />
sequence)<br />
Dense upper cloud<br />
DUC<br />
Depart or departure<br />
DEP<br />
Departure (message type designator) DEP<br />
Departure end of the runway<br />
DER<br />
Deposition<br />
DEPO<br />
Depth<br />
DPT<br />
Descend to or descending to<br />
DES<br />
Descend to <strong>and</strong> maintain<br />
DTAM<br />
Destination<br />
DEST<br />
Deteriorate or deteriorating<br />
DTRT<br />
Deviation or deviating<br />
DEV<br />
Dew point temperature<br />
DP<br />
Diffuse<br />
DIF<br />
Digital flight data recorder<br />
DFDR<br />
Direct (in relation to flight plan<br />
clearances <strong>and</strong> type of approach) DCT<br />
Direct controller-pilot communications DCPC<br />
Direction finding<br />
DF<br />
Displaced runway threshold<br />
DTHR<br />
Distance<br />
DIST<br />
___________________<br />
† When radiotelephony is used, the abbreviations <strong>and</strong> terms are transmitted as spoken words.<br />
‡ When radiotelephony is used, the abbreviations <strong>and</strong> terms are transmitted using the individual letters in non-phonetic form.<br />
* Signal is also available for use in communicating with stations of the maritime mobile service.<br />
# Signal for use in the teletypewriter service only.<br />
18/11/10