| 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 | W | Navigational Warning | | | / | | | From flight level | 000 | Surface | | | / | | | Up to flight level | 999 | Unlimited | | | / | | | Centre Latitude | 5250N | 52° 50' North' | | Centre Longitude | 00039W | 0° 39' West | | Radius of area affected | 002 | 2 nautical miles |
| | LASER TESTING WITHIN 1NM RADIUS OF 525022N 0003859W ( STOKE ROCHFORD ). FOR INFO 07301 126180.AR-2026-1778 / 01. |
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