Abbreviations used in this AIP
Abbreviations follow ICAO Doc 8400 — Procedures for Air Navigation Services — ICAO Abbreviations and Codes. The following consolidated list includes route, aerodrome and instrument-procedure abbreviations used in this AIP.
| Abbreviation | Meaning |
|---|---|
| AAL | Above aerodrome level |
| ACC | Area Control Centre |
| ADF | Automatic direction-finding equipment |
| AFIS | Aerodrome Flight Information Service |
| AFTN | Aeronautical fixed telecommunication network |
| AGL | Above Ground Level |
| AIC | Aeronautical information circular |
| AIP | Aeronautical Information Publication |
| AIRAC | Aeronautical Information Regulation and Control |
| AMDT | Amendment (AIP amendment) |
| AMSL | Above Mean Sea Level |
| APP | Approach control office or approach control or approach control service |
| ARP | Aerodrome reference point |
| ASDA | Accelerate-stop distance available |
| ATC | Air Traffic Control |
| ATFM | Air traffic flow management |
| ATIS | Automatic terminal information service |
| ATS | Air Traffic Services |
| ATZ | Aerodrome traffic zone |
| CAT | Category |
| CNS | Communications, navigation and surveillance |
| CTR | Control Zone |
| DA | Decision altitude |
| DER | Departure end of the runway |
| DH | Decision height |
| DME | Distance Measuring Equipment |
| DTHR | Displaced runway threshold |
| DVOR | Doppler VOR |
| ELEV | Elevation |
| EOBT | Estimated off-Block time |
| FAF | Final approach fix |
| FAP | Final approach point |
| FIR | Flight Information Region |
| FL | Flight Level |
| FPL | Filed flight plan (message type designator) |
| FREQ | Frequency |
| GND | Ground |
| GNSS | Global Navigation Satellite System |
| GP | Glide path |
| H24 | Continuous day and night service |
| HGT | Height |
| IFR | Instrument Flight Rules |
| ILS | Instrument Landing System |
| LDA | Landing distance available |
| LLZ | Localizer |
| MAPt | Missed approach point |
| MDA | Minimum descent altitude |
| MDH | Minimum descent height |
| MEA | Minimum en-route altitude |
| MEHT | Minimum eye height over threshold (for visual approach slope indicator systems) |
| METAR | Aviation Routine weather report (in aeronautical meteorological code) |
| MOC | Minimum obstacle clearance (required) |
| MSA | Minimum sector altitude |
| MSL | Mean sea level |
| NDB | Non-Directional Radio Beacon |
| NM | Nautical miles |
| NOTAM | A notice containing information concerning the establishment, condition or change in any aeronautical facility, service, procedure or hazard, the timely knowledge of which is essential to personnel concerned with flight operations. |
| OCA | Obstacle clearance altitude |
| OCH | Obstacle clearance height |
| PAPI | Precision approach path indicator |
| PBN | Performance-based navigation |
| PCN | Pavement classification number |
| PPR | Prior permission required |
| QFE | Atmospheric pressure at aerodrome elevation (or at runway threshold) |
| QNH | Altimeter sub-scale setting to obtain elevation when on the ground |
| RCC | Rescue co-ordination center |
| RDH | Reference datum height (for ILS) |
| RFFS | Rescue and fire fighting services |
| RNAV | Area Navigation |
| RNP | Required navigation performance |
| RVR | Runway Visual Range |
| RVSM | Reduced vertical separation minimum |
| RWY | Runway |
| SAR | Search and rescue |
| SID | Standard Instrument Departure |
| SIGMET | Information concerning en-route weather phenomena which may affect the safety of aircraft operation |
| SPECI | Aviation selected special weather report (in aeronautical meteorological code) |
| SSR | Secondary Surveillance radar |
| STAR | Standard Instrument Arrival |
| TAF | Aerodrome forecast |
| THR | Threshold |
| TMA | Terminal Control Area |
| TODA | Take-off distance available |
| TORA | Take-off run available |
| TWR | Aerodrome Control Tower |
| TWY | Taxiway |
| UIR | Upper Information Region |
| UNL | Unlimited |
| UTC | Co-ordinated Universal Time |
| VFR | Visual Flight Rules |
| VOR | VHF omnidirectional radio range |
| WGS-84 | World Geodetic System-1984 |
| WPT | Waypoint |
Where an abbreviation has more than one meaning, its context and the legend of the individual chart apply.