| Significance | Code | Meaning |
|---|
| FIR | EGTT | London FIR | | | / | | | Qualifiers | Q | | | | WO | Laser emissions | | | LW | will take place | | | / | | | Traffic | I | IFR traffic affected | | | V | VFR traffic affected | | | / | | | Purpose | M | Miscellaneous | | | / | | | Scope | W | Navigational Warning | | | / | | | From flight level | 000 | Surface | | | / | | | Up to flight level | 999 | Unlimited | | | / | | | Centre Latitude | 5127N | 51° 27' North' | | Centre Longitude | 00053W | 0° 53' West | | Radius of area affected | 002 | 2 nautical miles |
| | LASERS,SEARCHLIGHTS WITHIN 1NM RADIUS OF 512655N 0005246W ( WINNERSH ). FOR INFO 07467 547348.AR-2026-10122 / 01. |
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