| 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 | A | Aerodrome information | | | E | En-Route information | | | / | | | From flight level | 000 | Surface | | | / | | | Up to flight level | 005 | 500 feet QNE | | | / | | | Centre Latitude | 5237N | 52° 37' North' | | Centre Longitude | 00027W | 0° 27' West | | Radius of area affected | 001 | 1 nautical miles |
| | CRANE OPERATING AT 523642N 0002717W ( RAF WITTERING ) 180FT ABOVE GROUND LEVEL,454FT ABOVE MEAN SEA LEVEL |
|
