| 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 | 5147N | 51° 47' North' | | Centre Longitude | 00006E | 0° 6' East | | Radius of area affected | 002 | 2 nautical miles |
| | LASERS,FIREWORKS WITHIN 1NM RADIUS OF 514644N 0000544E ( HARLOW ). FIREWORKS UP TO 700FT ABOVE GROUND LEVEL.FOR INFO 07470 845052.AR-2026-9492 / 01. |
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