| 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 | 5221N | 52° 21' North' | | Centre Longitude | 00021E | 0° 21' East | | Radius of area affected | 001 | 1 nautical miles |
| | CAUTION : CRANE ERECTED POSITION 522056.7N 0002103.3E ( MILDENHALL AERODROME,25808 FT FROM RUNWAY 10 / 28 CENTERLINE ) MAXIMUM HEIGHT 171FT ABOVE GROUND LEVEL,181FT ABOVE MEAN SEA LEVEL |
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