| Significance | Code | Meaning |
|---|
| FIR | EGTT | London FIR | | | / | | | Qualifiers | Q | | | | RD | Danger area restriction | | | CH | changed | | | / | | | Traffic | I | IFR traffic affected | | | V | VFR traffic affected | | | / | | | Purpose | B | For inclusion in Preflight Infomation Bulletins | | | O | Operationally significant for IFR flights | | | / | | | Scope | W | Navigational Warning | | | / | | | From flight level | 000 | Surface | | | / | | | Up to flight level | 230 | 23000 feet QNE | | | / | | | Centre Latitude | 5113N | 51° 13' North' | | Centre Longitude | 00159W | 1° 59' West | | Radius of area affected | 009 | 9 nautical miles |
| | THE FOLLOWING DANGER AREAS UPPER LIMITS REDUCED AS FOLLOWS : EGD123 IMBER SURFACE-3000FT ABOVE MEAN SEA LEVEL EGD125 LARKHILL SURFACE-3000FT ABOVE MEAN SEA LEVEL |
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