| 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 | 002 | 200 feet QNE | | | / | | | Centre Latitude | 5129N | 51° 29' North' | | Centre Longitude | 00028W | 0° 28' West | | Radius of area affected | 001 | 1 nautical miles |
| | LIT CRANE OPERATING WITHIN POSITION 512836N 0002815W-512836N 0002814W-512835N 0002812W-512835N 0002814W-512836N 0002815W ( HEATHROW ). MAXIMUM HEIGHT 23FT ABOVE GROUND LEVEL,104FT ABOVE MEAN SEA LEVEL.NO CRANE OPERATING IN SAFEGUARDING OR LVP.CRANE WILL ONLY OPERATING WHEN RUNWAY 09L / 27R IS CLOSED.CRANE REF 2024092352 |
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