| 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 | 017 | 1700 feet QNE | | | / | | | Centre Latitude | 5436N | 54° 36' North' | | Centre Longitude | 00601W | 6° 1' West | | Radius of area affected | 001 | 1 nautical miles |
| | AIR NAV OBSTACLE LIGHT UK0172G368F ( RTM DIVIS ) SINGLE UNSERVICEABLE.POSITION 543627.01N 0060033.60W,ELEV 1699FT / HEIGHT 508FT |
|
