| 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 | 006 | 600 feet QNE | | | / | | | Centre Latitude | 5151N | 51° 51' North' | | Centre Longitude | 00024W | 0° 24' West | | Radius of area affected | 001 | 1 nautical miles |
| | LONDON LUTON AERODROME OBSTACLES-NEW CRANE ADDED IN CIRCLING AREA AND AT AERODROME TYPE : CRANE POSITION : 515126.9133N 0002347.9929W ELEVATION : 101.5FT ABOVE GROUND LEVEL / 578.3FT ABOVE MEAN SEA LEVEL REMARKS : LUTON HOO ESTATE,LUTON UK AERONAUTICAL INFORMATION PUBLICATION EGGW AERODROME 2.10 REFERS. |
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