| 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 | 007 | 700 feet QNE | | | / | | | Centre Latitude | 5145N | 51° 45' North' | | Centre Longitude | 00044W | 0° 44' West | | Radius of area affected | 001 | 1 nautical miles |
| | LIT CRANE AT POSITION 514440N 0004352W ( WENDOVER,BUCKINGHAMSHIRE ) IN LOW FLYING AREA THAMES VALLEY AVOIDANCE AREA DAY AND NIGHT HEIGHT 700FT ABOVE MEAN SEA LEVEL ( 164FT ABOVE GROUND LEVEL ). 26 / 07 / 021 / LFC |
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