| 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 | 016 | 1600 feet QNE | | | / | | | Centre Latitude | 5210N | 52° 10' North' | | Centre Longitude | 00356W | 3° 56' West | | Radius of area affected | 001 | 1 nautical miles |
| | UNCHARTED OBSTRUCTION WORK IN PROGRESS AERIAL POSITION 521005N 0035535W ( LLANDDEWI BREFI,CEREDIGION ) IN LOW FLYING AREA 7 AND NIGHT SECTOR 5DN HEIGHT 1550FT ABOVE MEAN SEA LEVEL ( 250FT ABOVE GROUND LEVEL ) UNLIT.24 / 12 / 062 / LFC |
|
