| 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 | 014 | 1400 feet QNE | | | / | | | Centre Latitude | 5257N | 52° 57' North' | | Centre Longitude | 00328W | 3° 28' West | | Radius of area affected | 001 | 1 nautical miles |
| | MASTS WITH WIRES AT POSITION 525649N 0032752W ( LLANDRILLO,DENBIGHSHIRE ). IN LOW FLYING AREA 7 AND NIGHT SECTOR 5E.HEIGHT 1396FT ABOVE MEAN SEA LEVEL ( 295FT ABOVE GROUND LEVEL ) UNLIT.24 / 09 / 151 / LFC |
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