| Significance | Code | Meaning |
|---|
| FIR | EGTT | London FIR | | | / | | | Qualifiers | Q | | | | RD | Danger area restriction | | | CA | activated | | | / | | | 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 | 170 | 17000 feet QNE | | | / | | | Centre Latitude | 5016N | 50° 16' North' | | Centre Longitude | 00223W | 2° 23' West | | Radius of area affected | 016 | 16 nautical miles |
| | DANGER AREA EGD023 PORTLAND ACTIVATED |
|
