| 1 | Surveillance Approach Radar | SAR |
|---|
| 2 | stability augmentation system | SAS |
|---|
| 3 | Saturated Air Temperature | SAT |
|---|
| 4 | service bulletin | SB |
|---|
| 5 | special condition | SC |
|---|
| 6 | Standard Computerized Airplane Performance | SCAP |
|---|
| 7 | senior cabin crew member | SCCM |
|---|
| 8 | Simplified directional facility | SDF |
|---|
| 9 | Safety and Emergency Procedures | SEP |
|---|
| 10 | single-engine piston | SEP |
|---|
| 11 | Single European Sky ATM Research | SESAR |
|---|
| 12 | Special Event Search and Master Analysis | SESMA |
|---|
| 13 | Slat Flap Control Computer | SFCC |
|---|
| 14 | Senior First Officer | SFO |
|---|
| 15 | Special Flight Operating Certificate | SFOC |
|---|
| 16 | standard instrument departure | SID |
|---|
| 17 | Significant Meteorological Information | SIGMET |
|---|
| 18 | single lever power control | SLPC |
|---|
| 19 | service manual | SM |
|---|
| 20 | safety management document (ICAO) | SMM |
|---|
| 21 | Since major overhaul | SMOH |
|---|
| 22 | surface movement radar | SMR |
|---|
| 23 | software maintenance tool | SMT |
|---|
| 24 | serial number | SN |
|---|
| 25 | start of climb at missed approach | SOC |
|---|
| 26 | simultaneous opposite direction parallel runway operations | SODPRO |
|---|
| 27 | speed over ground (same as ground speed) | SOG |
|---|
| 28 | standard operating procedure | SOP |
|---|
| 29 | Statement of Work | SOW |
|---|
| 30 | sunrise | SR |
|---|
| 31 | structural repair manual | SRM |
|---|
| 32 | sunset | SS |
|---|
| 33 | standard terminal arrival route | STAR |
|---|
| 34 | supplemental type certificate | STC |
|---|
| 35 | short take-off and landing[1] | STOL |
|---|
| 36 | speed trim system | STS |
|---|
| 37 | Special visual flight rules | SVFR |
|---|
