| 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 | A | Aerodrome information | | | E | En-Route information | | | / | | | From flight level | 000 | Surface | | | / | | | Up to flight level | 003 | 300 feet QNE | | | / | | | Centre Latitude | 5348N | 53° 48' North' | | Centre Longitude | 00300W | 3° 0' West | | Radius of area affected | 001 | 1 nautical miles |
| | OBSTACLE LIGHT UNSERVICEABLE ON OBSTACLE EGNH9471 POSITION 534740.63N 0025948.87W ( 3.26KM NORTH-EAST OF BLACKPOOL AERODROME ). HEIGHT 287FT ABOVE MEAN SEA LEVEL / 248FT ABOVE GROUND LEVEL |
|
