S | Surface analysis (current chart) |
S | South or southern latitude |
SA | Sand |
SALS | Simple approach lighting system |
SAN | Sanitary |
SAP | As soon as possible |
SAR | Search and rescue |
SARPS | Standards and Recommended Practices (ICAO) |
SAT | Saturday |
SATCOM | Satellite communication |
SB | Southbound |
SC | Stratocumulus |
SCT | Scattered |
SDBY | Stand by |
SDF | Stepdown fix |
SDR | Special drawing rights |
SE | South−east |
SEB | South−eastbound |
SEC | Seconds |
SECT | Sector |
SELCAL | Selective calling system |
SEP | September |
SER | Service or servicing or served |
SEV | Severe (used e.g. to qualify icing and turbulence reports) |
SFC | Surface |
SG | Snow grains |
SGL | Signal |
SH... | Showers (followed by RA=rain, SN=snow, PL=ice pellets, GR=hail, GS=small hail and/or snow pellets or combinations thereof, e.g. SHRASN=showers of rain and snow) |
SHF | Super high frequency (3 000 to 30 000 MHz) |
SID | Standard instrument departure |
SIF | Selective identification feature |
SIGMET | Information concerning en−route weather phenomena which may affect the safety of aircraft operations |
SIGWX | Significant weather |
SIMUL | Simultaneous or simultaneously |
SIWL | Single isolated wheel load |
SKC | Sky clear |
SKED | Schedule or scheduled |
SLP | Speed limiting point |
SLW | Slow |
SMC | Surface movement control |
SMR | Surface movement radar |
SN | Snow |
SNOWTAM | A special series NOTAM notifying the presence or removal of hazardous conditions due to snow, ice slush or standing water associated with snow, slush and ice on the movement area, by means of a specific format |
SPA | Spanish language |
SPECI | Aerodrome special meteorological report (in meteorological code) |
SPECIAL | Local special meteorological report (in abbreviated plain language) |
SPL | Supplementary flight plan (message type designator) |
SPOT | Spot wind |
SQ | Squall |
SQL | Squall line |
SR | Sunrise |
SRA | Surveillance radar approach |
SRE | Surveillance radar element of precision approach radar system |
SRG | Short range |
SRR | Search and rescue region |
SRY | Secondary |
SS | Sunset |
SS | Sandstorm |
SSB | Single sideband |
SSE | South south east |
SSR | Secondary surveillance radar |
SST | Supersonic transport |
SSW | South south west |
ST | Stratus |
STA | Straight in approach |
STAR | Standard instrument arrival |
STD | Standard |
STF | Stratiform |
STN | Station |
STNR | Stacionary |
STOL | Short take−off and landing |
STS | Status |
STWL | Stopway light(s) |
SUBJ | Subject to |
SUN | Sunday |
SUP | Supplement (AIP Supplement) |
SUPPS | Regional supplementary procedures |
SVC | Service message |
SVCBL | Serviceable |
SW | South west |
SWB | South−westbound |
SWH | Significant weather chart − high level |
SWL | Significant weather chart − low level |
SWM | Significant weather chart − medium level |
SWY | Stopway |