| 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 | 5128N | 51° 28' North' | | Centre Longitude | 00028W | 0° 28' West | | Radius of area affected | 001 | 1 nautical miles |
| | NEW CRANE ADDED TO LONDON HEATHROW AERODROME OBSTACLES-IN CIRCLING AREA AND AT AERODROME : OBSTACLE ID : 2025030694 TYPE : CRANE POSITION : 512800N 0002800W ELEVATION / HEIGHT : 155FT ABOVE MEAN SEA LEVEL / 76FT ABOVE GROUND LEVEL LIGHTING : YES,STEADY RED REMARKS : HEATHROW AIRPORT,TAXIWAY ALPHA SOUTH BETWEEN TAXIWAY ECHO FOXTROT.WILL NOT OPERATE WHEN 09R / 27L IS IN OPERATION.UK AERONAUTICAL INFORMATION PUBLICATION EGLL AERODROME 2.10 REFERS. |
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