IRImplementing rule
List of abbreviations
(used in CS-ADR-DSN)
| AGL | Above ground level |
|---|---|
| AGL | Aeronautical ground light |
| AIP | Aeronautical information publication |
| AIS | Aeronautical information services |
| APAPI | Abbreviated precision approach path indicator |
| ARC | Aerodrome reference code |
| ARIWS | Autonomous runway incursion warning systems |
| ASDA | Accelerate-stop distance available |
| A-SMGCS | Advanced surface movement guidance and control system |
| ATC | Air traffic control |
| ATIS | Automatic terminal information service |
| ATM | Air traffic management |
| ATS | Air traffic services |
| A-VDGS | Advanced visual docking guidance system |
| CBR | California bearing ratio |
| CCR | Constant current regulators |
| CIE | International Commission on Illumination (Commission Internationale de l’Éclairage) |
| CWY | Clearway |
| DH | Decision height |
| DME | Distance measuring equipment |
| EMAS | Engineered Materials Arresting System |
| ESDU | Engineering sciences data unit |
| FOD | Foreign object debris |
| FOV | Field of view |
| Hes | Height of equivalent elevated sign character |
| Hps | Height of pavement sign character |
| ICAO | International Civil Aviation Organization |
| ILS | Instrument landing system |
| IMC | Instrument meteorological conditions |
| ISO | International Organisation for Standardisation |
| LDA | Landing distance available |
| LED | Light-emitting diodes |
| LRST | Local runway safety team |
| MLS | Microwave landing system |
| MLW | Maximum landing weight |
| MPD | Mean profile depth |
| MTD | Mean texture depth |
| MTOW | Maximum take-off weight |
| NOTAM | Notice to airman |
| NU | Not usable |
| OCA/H | Obstacle clearance altitude/ height |
| OFZ | Obstacle-free zone |
| OLS | Obstacle limitation surface |
| OMGWS | Outer main gear wheel span |
| OPS | Obstacle protection surface |
| PAPI | Precision approach path indicator |
| PBN | Performance based navigation |
| PSV | Polished stone values |
| RELs | Runway entrance lights |
| RESA | Runway end safety area |
| RET | Rapid exit taxiway |
| RETILs | Rapid exit taxiway indicator lights |
| RFF | Rescue and firefighting |
| RFFS | Rescue and firefighting services |
| RP | Reference point |
| RVR | Runway visual range |
| RWSL | Runway status lights |
| RWY | Runway |
| SMGCS | Surface movement guidance and control system |
| SWY | Stopway |
| TDZ | Runway touchdown zone |
| THLs | Take-off hold lights |
| TODA | Take-off distance available |
| TORA | Take-off run available |
| UPS | Uninterruptible power supply |
| VMC | Visual meteorological conditions |
| VOR | VHF Omnidirectional radio range |
| WGS-84 | World geodetic system – 1984 |
IR — Regulation (EU) No 139/2014 · ED Decision 2022/006/R · Aerodromes Easy Access Rules · EAR revision 13 Mar 2026