| 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 | 5321N | 53° 21' North' | | Centre Longitude | 00252W | 2° 52' West | | Radius of area affected | 001 | 1 nautical miles |
| | LIT CRANE OPERATING POSITION 532108N 0025158W ( 332.5 TRU DEG 2340M FROM LIVERPOOL AERODROME REFERENCE POINT ). MAXIMUM HEIGHT 125FT ABOVE GROUND LEVEL / 225FT ABOVE MEAN SEA LEVEL.PENETRATES THE INNER HORIZONTAL SURFACE BY 18FT. |
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