| Significance | Code | Meaning |
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| 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 | A | Aerodrome information | | | W | Navigational Warning | | | / | | | From flight level | 000 | Surface | | | / | | | Up to flight level | 014 | 1400 feet QNE | | | / | | | Centre Latitude | 5117N | 51° 17' North' | | Centre Longitude | 00042W | 0° 42' West | | Radius of area affected | 001 | 1 nautical miles |
| | ILLUMINANTS WITHIN 0.32NM RADIUS OF 511717N 0004226W ( MYTCHETT ). ILLUMINANTS WILL DESCEND BY PARACHUTE.FOR INFO 07484 516900 / 07350 432476.AR-2026-4317 / 01. |
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