| Significance | Code | Meaning |
|---|
| FIR | EGTT | London FIR | | | / | | | Qualifiers | Q | | | | WM | Fireworks/Projectile firing | | | LW | will take place | | | / | | | Traffic | I | IFR traffic affected | | | V | VFR traffic affected | | | / | | | Purpose | B | For inclusion in Preflight Infomation Bulletins | | | O | Operationally significant for IFR flights | | | / | | | Scope | W | Navigational Warning | | | / | | | From flight level | 000 | Surface | | | / | | | Up to flight level | 016 | 1600 feet QNE | | | / | | | Centre Latitude | 5137N | 51° 37' North' | | Centre Longitude | 00246W | 2° 46' West | | Radius of area affected | 002 | 2 nautical miles |
| | FLARE FIRING WITHIN 1NM RADIUS OF 513721N 0024544W ( CAERWENT ). FLARES WILL DESCEND BY PARACHUTE.FOR INFO 01874 635599.AR-2026-1072 / 01. |
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