| Significance | Code | Meaning |
|---|
| FIR | EGTT | London FIR | | | / | | | Qualifiers | Q | | | | WU | Unmanned flight | | | 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 | 007 | 700 feet QNE | | | / | | | Centre Latitude | 5140N | 51° 40' North' | | Centre Longitude | 00024W | 0° 24' West | | Radius of area affected | 001 | 1 nautical miles |
| | UAS SWARM OPERATING WITHIN 0.2NM RADIUS OF 513935N 0002418W ( WATFORD ). SWARM MADE UP OF 200 UAS.MAXIMUM HEIGHT 400FT ABOVE GROUND LEVEL.FOR INFO 0044 7525 916291 / 07738 612566.AR-2026-10686 / 01. |
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