| Significance | Code | Meaning |
|---|
| FIR | EGTT | London FIR | | | / | | | Qualifiers | Q | | | | OL | Obstacle lights | | | AS | unserviceable | | | / | | | Traffic | I | IFR traffic affected | | | V | VFR traffic affected | | | / | | | Purpose | M | Miscellaneous | | | / | | | Scope | E | En-Route information | | | / | | | From flight level | 000 | Surface | | | / | | | Up to flight level | 019 | 1900 feet QNE | | | / | | | Centre Latitude | 5444N | 54° 44' North' | | Centre Longitude | 00253W | 2° 53' West | | Radius of area affected | 001 | 1 nautical miles |
| | OBSTACLE LIGHT UNSERVICEABLE POSITION 544355N 0025259W ( SKELTON ) HEIGHT 1811FT ABOVE MEAN SEA LEVEL 1210FT ABOVE GROUND LEVEL |
|
