| 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 | E | En-Route information | | | / | | | From flight level | 000 | Surface | | | / | | | Up to flight level | 006 | 600 feet QNE | | | / | | | Centre Latitude | 5136N | 51° 36' North' | | Centre Longitude | 00039W | 0° 39' West | | Radius of area affected | 001 | 1 nautical miles |
| | LIT CRANE AT POSITION 513619N 0003928W ( BEACONSFIELD,BUCKINGHAMSHIRE ) IN LOW FLYING AREA THAMES VALLEY AVOIDANCE AREA DAY AND NIGHT.HEIGHT 191FT ABOVE GROUND LEVEL / 570FT ABOVE MEAN SEA LEVEL.26 / 10 / 025 / LFC. |
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