| 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 | 5323N | 53° 23' North' | | Centre Longitude | 00129W | 1° 29' West | | Radius of area affected | 002 | 2 nautical miles |
| | LASER DISPLAY WITHIN 1NM RADIUS OF 532243N 0012840W ( SHEFFIELD ). FOR INFO 07916 151704.AR-2026-9452 / 01. |
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