| 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 | E | En-Route information | | | / | | | From flight level | 000 | Surface | | | / | | | Up to flight level | 015 | 1500 feet QNE | | | / | | | Centre Latitude | 5140N | 51° 40' North' | | Centre Longitude | 00342W | 3° 42' West | | Radius of area affected | 001 | 1 nautical miles |
| | MAST POSITION 514025N 0034228W ( PELENNA,PORT TALBOT ) IN LOW FLYING AREA 7 AND NIGHT ROTARY REGION 7S HEIGHT 1500FT ABOVE MEAN SEA LEVEL ( 400FT ABOVE GROUND LEVEL ) UNLIT 25 / 12 / 041 / LFC |
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