| Name | Data Type | Definition | |
|---|---|---|---|
| HAT | string | Height Above Touchdown | |
| OM | string | Outer marker | |
| MM | string | Middle marker | |
| IM | string | Inner marker | |
| PFAF | string | Precision final approach fix | |
| GSANT | string | Glideslope antenna | |
| FAF | string | Final Approach Fix | |
| MAP | string | Missed Approach Point | |
| THLD | string | Runway Threshold | |
| VDP | string | Visual Descent Point | |
| RECH | string | Runway End Crossing Height | |
| OTHER | string | Other |