| Significance | Code | Meaning |
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| FIR | EGTT | London FIR | | | / | | | Qualifiers | Q | | | | XX | Miscellaneous | | | LW | will take place | | | / | | | 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 | 030 | 3000 feet QNE | | | / | | | Centre Latitude | 5109N | 51° 9' North' | | Centre Longitude | 00134W | 1° 34' West | | Radius of area affected | 021 | 21 nautical miles |
| | MULTIPLE HEL OPERATING WITHOUT LIGHT WITHIN 20NM RADIUS OF 510900N 0013414W ( MIDDLE WALLOP ). FOR INFO 01264 784722.AR-2026-1695 / 02. |
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