| 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 | 004 | 400 feet QNE | | | / | | | Centre Latitude | 5312N | 53° 12' North' | | Centre Longitude | 00303W | 3° 3' West | | Radius of area affected | 001 | 1 nautical miles |
| | LIT CRANE OPERATING POSITION 531142N 0030235W ( 4771M 294 DEG MAGNETIC FROM HAWARDEN AERODROME REFERENCE POINT ). MAXIMUM HEIGHT 305FT ABOVE MEAN SEA LEVEL / 109FT ABOVE GROUND LEVEL. |
|