| 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 | 004 | 400 feet QNE | | | / | | | Centre Latitude | 5133N | 51° 33' North' | | Centre Longitude | 00001W | 0° 1' West | | Radius of area affected | 001 | 1 nautical miles |
| | LIT CRANE AT POSITION 513236N 0000128W ( HACKNEY WICK,LONDON ) IN LOW FLYING AREA THAMES VALLEY AVOIDANCE AREA DAY AND NIGHT HEIGHT 310FT ABOVE MEAN SEA LEVEL ( 280FT ABOVE GROUND LEVEL ). 24 / 10 / 169 / LFC |
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