ICAO Abbreviations and Codes
ICAO Abbreviations and Codes
ICAO Abbreviations and Codes
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1-32 <strong>ICAO</strong> <strong>Abbreviations</strong> <strong>and</strong> <strong>Codes</strong> (PANS-ABC)<br />
Squall line<br />
SQL<br />
St<strong>and</strong> by<br />
SDBY<br />
St<strong>and</strong>ard<br />
STD<br />
St<strong>and</strong>ard deviation<br />
SD<br />
St<strong>and</strong>ard instrument arrival<br />
STAR†<br />
St<strong>and</strong>ard instrument departure<br />
SID†<br />
St<strong>and</strong>ard regional route transmitting<br />
frequencies<br />
RUT<br />
St<strong>and</strong>ards <strong>and</strong> Recommended Practices<br />
[<strong>ICAO</strong>]<br />
SARPS<br />
Start of climb<br />
SOC<br />
State of the sea (followed by figures in<br />
METAR/SPECI) S . . .<br />
Station<br />
STN<br />
Stationary<br />
STNR<br />
Status<br />
STS<br />
Step down fix<br />
SDF<br />
Stop-end (related to RVR)<br />
END<br />
Stopway<br />
SWY<br />
Stopway light(s)<br />
STWL<br />
Straight-in approach<br />
STA<br />
Stratiform<br />
STF<br />
Stratocumulus<br />
SC<br />
Stratus<br />
ST<br />
Subject to<br />
SUBJ<br />
Sunday<br />
SUN<br />
Sunrise<br />
SR<br />
Sunrise to sunset<br />
HJ<br />
Sunset<br />
SS<br />
Sunset to sunrise<br />
HN<br />
Super high frequency [3 000 to<br />
30 000 MHz] SHF<br />
Supersonic transport<br />
SST<br />
Supplement (AIP Supplement)<br />
SUP<br />
Supplementary flight plan (message type<br />
designator)<br />
SPL<br />
Surface<br />
SFC<br />
Surface movement control<br />
SMC<br />
Surface movement radar<br />
SMR<br />
Surveillance radar approach<br />
SRA<br />
Surveillance radar element of precision<br />
approach radar system<br />
SRE<br />
T<br />
Tail wind<br />
Take-off<br />
Take-off distance available<br />
Take-off distance available, helicopter<br />
Take-off run available<br />
Taxiing or taxi<br />
Taxiing guidance system<br />
Taxiway<br />
Taxiway-link<br />
Technical reason<br />
Telephone<br />
Teletypewriter<br />
Temperature<br />
Temporary or temporarily<br />
Temporary reserved airspace<br />
Terminal area surveillance radar<br />
Terminal arrival altitude<br />
Terminal control area<br />
Terminal VOR<br />
Text (when the abbreviation is used to<br />
request a repetition, the question<br />
mark (IMI) precedes the<br />
abbreviation, e.g. IMI TXT) (to be<br />
used in AFS as a procedure signal)<br />
The address (when this abbreviation is<br />
used to request a repetition, the<br />
question mark (IMI) precedes the<br />
abbreviation, e.g. IMI ADS) (to be<br />
used in AFS as a procedure signal)<br />
The last message received by me was . . .<br />
(to be used in AFS as a procedure<br />
signal)<br />
The last message sent by me was . . . or<br />
Last message was . . . (to be used in<br />
AFS as a procedure signal)<br />
This is a channel-continuity-check of<br />
transmission to permit comparison of<br />
your record of channel-sequence<br />
numbers of messages received on the<br />
channel (to be used in AFS as a<br />
procedure signal)<br />
This is a duplicate message (to be used in<br />
AFS as a procedure signal)<br />
Threshold<br />
TAIL†<br />
TKOF<br />
TODA<br />
TODAH<br />
TORA<br />
TAX<br />
TGS<br />
TWY<br />
TWYL<br />
TECR<br />
TEL<br />
TT<br />
T<br />
TEMPO†<br />
TRA<br />
TAR<br />
TAA<br />
TMA‡<br />
TVOR<br />
TXT*<br />
ADS*<br />
LR<br />
LS<br />
CH#<br />
DUPE#<br />
THR<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
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