| Significance | Code | Meaning |
|---|
| 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 | A | Aerodrome information | | | W | Navigational Warning | | | / | | | From flight level | 000 | Surface | | | / | | | Up to flight level | 999 | Unlimited | | | / | | | Centre Latitude | 5129N | 51° 29' North' | | Centre Longitude | 00311W | 3° 11' West | | Radius of area affected | 002 | 2 nautical miles |
| | LASER DISPLAY WITHIN 1NM RADIUS : 512905N 0031108W ( CARDIFF ). FOR INFO 07940 167492.AR-2024-6438 / AU2. |
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