| Significance | Code | Meaning |
|---|
| FIR | EGTT | London FIR | | | / | | | Qualifiers | Q | | | | OB | Obstacle | | | CE | erected | | | / | | | Traffic | I | IFR traffic affected | | | V | VFR traffic affected | | | / | | | Purpose | M | Miscellaneous | | | / | | | Scope | A | Aerodrome information | | | / | | | From flight level | 000 | Surface | | | / | | | Up to flight level | 999 | Unlimited | | | / | | | Centre Latitude | 5255N | 52° 55' North' | | Centre Longitude | 00105W | 1° 5' West | | Radius of area affected | 005 | 5 nautical miles |
| | UNLIT TEMPORARY OBSTACLE ( FENCING ) SOUTH OF AERODROME IN THE VICINITY OF THE HELICOPTER HANGAR AND MANOEUVRING AREA |
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