| 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 | 004 | 400 feet QNE | | | / | | | Centre Latitude | 5412N | 54° 12' North' | | Centre Longitude | 00056W | 0° 56' West | | Radius of area affected | 001 | 1 nautical miles |
| | LIT CRANE AT POSITION 541201N 0005618W ( BLACKFRIARS,LONDON ) IN LOW FLYING THAMES VALLEY AVOIDANCE AREA DAY AND NIGHT HEIGHT 320FT ABOVE MEAN SEA LEVEL ( 220FT ABOVE GROUND LEVEL ). 26 / 08 / 009 / LFC |
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