| 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 | 5315N | 53° 15' North' | | Centre Longitude | 00424W | 4° 24' West | | Radius of area affected | 001 | 1 nautical miles |
| | CRANE OPERATING 0.21 NM OF RADIUS 531510N 0042333W ( MONA ) 40FT ABOVE GROUND LEVEL / 276FT ABOVE MEAN SEA LEVEL.FOR MORE INFO CONTACT 07971 029740 |
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