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Abreviations
Meteo, Aerodrome, RN equipment, ATC
| Term | Definition |
|---|---|
| ATCo | Air Traffic Controller |
| MACC | Military Area Control Centre |
| APP | Approach control office |
| PAR | Precision Approach Radar |
| TWR | Aerodrome control tower |
| GCI | Ground Controlled Interception |
| FIR | Flight Information Region |
| CTA | Control area |
| TMA | Terminal control area |
| CTR | Control zone |
| IFR | Instrument Flight Rules |
| VFR | Visual Flight Rules |
| IMC | Instrument Meteorological Conditions |
| VMC | Visual Meteorological Conditions |
| ARR | Arrival |
| DEP | Depart / Departure |
| SID | Standart Instrument Departure |
| STAR | Standard instrument arrival |
| TRA | Temporary Reserved Airspace |
| TSA | Transportation Security Administration |
| ARO | Air traffic services Reporting Office |
| ILS | Instrument Landing System |
| DME | Distance Measuring Equipment |
| VOR | VHF Omnidirectional Radio range |
| PAR | Precision Approach Radar |
| PAPI | Precision Approach Path Indicator |
| NDB | Non Directional Beacon |
| PSR | Primary Surveillance Radar |
| SSR | Secondary Surveillance Radar |
| ALS | Approach Lighting System |
| AD | Aerodrome |
| ARP | Aerodrome Reference Point / Air Report |
| RWY | Runway |
| THR | Threshold |
| APN | Apron |
| TWY | Taxiway |
| CWY | Clearway |
| TORA | Take-Off Run Available |
| TODA | Take-Off Distance Available |
| ASDA | Accelerate Stop Distance Available |
| WX | Weather |
| CLD | Cloud |
| CAVOK | Visibility, cloud and present weather better than prescribed values or conditions |
| QNH | Altimeter sub-scale setting to obtain elevation when on the ground |
| QFE | Atmospheric pressure at aerodrome elevation (or at runway threshold) |
| FEW | few clouds (1-2/8) |
| SCT | Scattered clouds (3-4/8) |