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FAA Part 107
Abbreviations
| Term | Definition |
|---|---|
| AC | Advisory circular |
| ACS | airman certification standard |
| ADDS | Aviation digital data services (NOAA) |
| ADM | aeronautical information manual |
| AIRMET | airman's meteorological information |
| AIS | abbreviated injury scale |
| AKTR | airman knowledge test report |
| ASOS | automated surface observing system |
| ATC | air traffic control |
| ATCT | air traffic control tower |
| ATIS | Automatic terminal information service |
| AWC | aviation weather center |
| AWOS | automated weather observing system |
| CFI | certified flight instructor |
| CG | center of gravity |
| CoW | certificate of waiver |
| CRM | crew resource management |
| CS | control station |
| CTAF | common traffic advisory frequency |
| DOC | declaration of compliance |
| DPE | designated pilot examiner |
| FB | winds and temperatures aloft forecast |
| FCC | federal communications commission |
| FL | flight level |
| FLIP | Flight information publication (department of defense) |
| FRIA | FAA-recognized identification area |
| FSDO | flight standards district office |
| FSS | flight service station |
| FTP | flight termination point |
| GPS | global positioning system |
| IACRA | Integrated airman certificate and/or Rating Application |
| ICAO | international civil aviation organizations |
| IFR | instrument flight rules |
| ILS | instrument landing system |
| IR | IFR military training route |
| LAA | local airport advisory |
| LOA | letter of agreement |
| LOC | loss of control |
| METAR | aviation routine weather report |
| MOA | military operation area |
| MOC | means of compliance |
| MSL | mean sea level |
| MTR | military training route |
| NAS | national airspace system |
| NAVAID | navigational aid |
| NFDC | national flight data center |
| NM | nautical mile |
| NMACS | FAA near midair collision system |
| NOTAM | notice to air missions |
| NTIA | national telecommunications and information administration (department of commerce) |
| OAT | outside air temperature |
| OTC | over the counter |
| PIC | pilot in command |
| POH | pilot's operarting handbook |
| ROC | regional operations center (FAA) |
| RVR | runway visual range |
| SAA | special activity airspace |
| SIDA | security identification display area |
| SIGMET | significant meteorological information |
| SM | statute mile |
| SMS | safety management system |
| sUA | small unmanned aircraft |
| sUAS | small unmanned aircraft system |
| TAC | terminal area chart |
| TAF | terminal aerodrome forecast |
| TFR | temporary flight restriction |
| TSA | transportation security administration |
| UA | unmanned aircraft |
| UTC | coordinated universal time |
| VFR | visual flight rules |
| VLOS | visual line of sight |
| VO | visual observer |
| VR | VFR military training route |