| 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 | 004 | 400 feet QNE | | | / | | | Centre Latitude | 5101N | 51° 1' North' | | Centre Longitude | 00238W | 2° 38' West | | Radius of area affected | 001 | 1 nautical miles |
| | OBSTACLE LIGHTS UNSERVICEABLE POSITION 510052N 0023828W ( WATER TOWER,NORTH SIDE OF YEOVILTON AERODROME ) HEIGHT 107FT ABOVE GROUND LEVEL / 333FT ABOVE MEAN SEA LEVEL. |
|
