| 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 | 007 | 700 feet QNE | | | / | | | Centre Latitude | 5132N | 51° 32' North' | | Centre Longitude | 00114W | 1° 14' West | | Radius of area affected | 001 | 1 nautical miles |
| | UNMARKED UNLIT CRANE POSITION 513201N 0011424W ( COMPTON,BERKSHIRE ) IN LOW FLYING AREA 1C AND NIGHT ROTARY REGION 1.HEIGHT 650FT ABOVE MEAN SEA LEVEL / 150FT ABOVE GROUND LEVEL.26 / 05 / 247 / LFC |
|
