| 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 | 5128N | 51° 28' North' | | Centre Longitude | 00027W | 0° 27' West | | Radius of area affected | 001 | 1 nautical miles |
| | LIT CRANE OPERATING POSITION : 512826N 0002711W-512827N 0002708W-512826N 0002707W-512825N 0002711W-512826N 0002711W ( HEATHROW ). MAXIMUM HEIGHT 263FT ABOVE GROUND LEVEL,343FT ABOVE MEAN SEA LEVEL.NO CRANE OPERATING IN LVP.CRANE WILL ONLY OPERATING WHEN RUNWAY 09L / 27R IS CLOSED.CRANE REF 2026071073 |
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