| Significance | Code | Meaning |
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| 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 | 5127N | 51° 27' North' | | Centre Longitude | 00123W | 1° 23' West | | Radius of area affected | 001 | 1 nautical miles |
| | LIT CRANE AT POSITION 512641N 0012256W ( BOXFORD,WEST BERKSHIRE ) IN LOW FLYING AREA 1A AND NIGHT ROTARY REGION 1 HEIGHT 144FT ABOVE GROUND LEVEL 544FT ABOVE MEAN SEA LEVEL.26 / 09 / 305 / LFC |
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