| Name | Data Type | Definition | |
|---|---|---|---|
| CWY | string | Clearway. | |
| RESA | string | Runway end safety area. | |
| OFZ | string | Obstacle free zone or surface | |
| IOFZ | string | Inner Obstacle free zone or surface | |
| POFZ | string | Precision Obstacle Free Zone | |
| ILS | string | ILS protection area. Protects ILS signal distortion by forbidding large objects in the area. | |
| VGSI | string | Visual Glide Slope Indicator (VGSI) protection area. Protects VGSI signal coverage by forbidding objects in the area. | |
| STOPWAY | string | A defined rectangular area on the ground at the end of take-off run available prepared as a suitable area in which an aircraft can be stopped in the case of an abandoned take-off. | |
| OTHER | string | Other. |