| 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 | 005 | 500 feet QNE | | | / | | | Centre Latitude | 5154N | 51° 54' North' | | Centre Longitude | 00059W | 0° 59' West | | Radius of area affected | 001 | 1 nautical miles |
| | LIT CRANE AT POSITION 515400N 0005853W ( CALVERT GREEN,BUCKINGHAMSHIRE ) IN LOW FLYING AREA 4 AND NIGHT ROTARY REGION 4A HEIGHT 500FT ABOVE MEAN SEA LEVEL ( 131FT ABOVE GROUND LEVEL ). 26 / 02 / 016 / LFC |
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