| 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 | A | Aerodrome information | | | E | En-Route information | | | / | | | From flight level | 000 | Surface | | | / | | | Up to flight level | 003 | 300 feet QNE | | | / | | | Centre Latitude | 5056N | 50° 56' North' | | Centre Longitude | 00239W | 2° 39' West | | Radius of area affected | 001 | 1 nautical miles |
| | CRANE OPERATING POSITION 505610N 0023927W ( 165 DEG MAGNETIC,0.25NM FROM YEOVIL WESTLANDS AERODROME REFERENCE POINT ). MAXIMUM HEIGHT 165FT ABOVE GROUND LEVEL,295FT ABOVE MEAN SEA LEVEL |
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