| 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 | 006 | 600 feet QNE | | | / | | | Centre Latitude | 5238N | 52° 38' North' | | Centre Longitude | 00043E | 0° 43' East | | Radius of area affected | 001 | 1 nautical miles |
| | REPORT OF AIR NAV OBSTACLE LIGHT UNSERVICEABLE AT POSITION 523807N 0004325E ( SWAFFHAM ). OBSTACLE TYPE TOWER.OBSTACLE HEIGHT 360FT ABOVE GROUND LEVEL / 552FT ABOVE MEAN SEA LEVEL.FOR INFO 01613 790400.AR-2025-4154 / 02. |
|
