| 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 | 5213N | 52° 13' North' | | Centre Longitude | 00002W | 0° 2' West | | Radius of area affected | 001 | 1 nautical miles |
| | UAS OPERATING WITHIN 0.5NM RADIUS OF 521324N 0000158W ( BOURN ). MAXIMUM HEIGHT 400FT ABOVE GROUND LEVEL.FOR INFO 07502 107645.AR-2026-5451 / 01. |
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