| 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 | 5129N | 51° 29' North' | | Centre Longitude | 00022W | 0° 22' West | | Radius of area affected | 001 | 1 nautical miles |
| | LIT CRANE OPERATING WITHIN 512902N 0002150W-512904N 0002146W-512903N 0002144W-512901N 0002148W-512902N 0002150W ( HOUNSLOW ). MAXIMUM HEIGHT 246FT ABOVE GROUND LEVEL,346FT ABOVE MEAN SEA LEVEL.CRANE WILL ONLY OPERATE WHEN RUNWAY 09L / 27R IS CLOSED.NO CRANE OPERATING IN LVP.CRANE REF 20260520152 |
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