| 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 | 5128N | 51° 28' North' | | Centre Longitude | 00029W | 0° 29' West | | Radius of area affected | 001 | 1 nautical miles |
| | LIT CRANE OPERATING WITHIN POSITION 512800N 0002928W-512800N 0002922W-512759N 0002922W-512759N 0002928W-512800N 0002928W ( HEATHROW ). MAXIMUM HEIGHT 125FT ABOVE GROUND LEVEL,203FT ABOVE MEAN SEA LEVEL.NO APPROACHES TO RUNWAY 09R OR DEPARTURES FROM RUNWAY 27L WILL TAKE PLACE WHEN CRANE IS OPERATING.CRANE REF 202410287 AND 2025012853.FOR INFO CONTACT AIRFIELD DUTY MANAGER 02087457373 .) |
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