| 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 | 5153N | 51° 53' North' | | Centre Longitude | 00022W | 0° 22' West | | Radius of area affected | 001 | 1 nautical miles |
| | MOBILE CRANE OPERATING POSITION 515237N 0002219W ( SOUTH APRON,LUTON AERODROME.314.6DEG MAGNETIC 365M FROM LUTON AERODROME REFERENCE POINT ) MAXIMUM HEIGHT 67FT ABOVE GROUND LEVEL / 579FT ABOVE MEAN SEA LEVEL ) |
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