| Significance | Code | Meaning |
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| 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 | 001 | 100 feet QNE | | | / | | | Centre Latitude | 5315N | 53° 15' North' | | Centre Longitude | 00432W | 4° 32' West | | Radius of area affected | 001 | 1 nautical miles |
| | PILLING RIG OPERATING WITHIN 0.1NM RADIUS POSITION 531433N 0043207W ( RAF VALLEY ) MAXIMUM HEIGHT 54FT ABOVE MEAN SEA LEVEL ( 41FT ABOVE GROUND LEVEL ) CONTACT 07741 123382. |
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