| Significance | Code | Meaning |
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| FIR | EGTT | London FIR | | | / | | | Qualifiers | Q | | | | WO | UNKNOWN CODE | | | 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 | 00052W | 0° 52' West | | Radius of area affected | 002 | 2 nautical miles |
| | LASERS,FIREWORKS WITHIN 1NM RADIUS OF 512631N 0005222W ( WINNERSH ). FIREWORKS UP TO 500FT ABOVE GROUND LEVEL ON 18 AND 19 2158-2200.FOR INFO 07515 339885 / 01582 485555.AR-2026-5543 / 01. |
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