| Significance | Code | Meaning |
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| FIR | EGTT | London FIR | | | / | | | Qualifiers | Q | | | | WS | Burning or blowing gas | | | LW | will take place | | | / | | | Traffic | I | IFR traffic affected | | | V | VFR traffic affected | | | / | | | Purpose | M | Miscellaneous | | | / | | | Scope | A | Aerodrome information | | | W | Navigational Warning | | | / | | | From flight level | 000 | Surface | | | / | | | Up to flight level | 005 | 500 feet QNE | | | / | | | Centre Latitude | 5236N | 52° 36' North' | | Centre Longitude | 00311W | 3° 11' West | | Radius of area affected | 001 | 1 nautical miles |
| | VENTING OF HIGH PRESSURE GAS WITHIN 0.5NM RADIUS OF 523543N 0031058W ( BERRIEW ). FOR INFO 07774 862657 / 07778 204007 / 07970 680660.AR-2026-9683 / 01. |
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