| 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 | 001 | 100 feet QNE | | | / | | | Centre Latitude | 5048N | 50° 48' North' | | Centre Longitude | 00112W | 1° 12' West | | Radius of area affected | 001 | 1 nautical miles |
| | MOBILE CRANE OPERATING POSITION 504828N 0011154W ( LEE ON SOLENT ) MAXIMUM HEIGHT 58FT ABOVE GROUND LEVEL,91FT ABOVE MEAN SEA LEVEL |
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