| Significance | Code | Meaning |
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| 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 | 006 | 600 feet QNE | | | / | | | Centre Latitude | 5247N | 52° 47' North' | | Centre Longitude | 00042W | 0° 42' West | | Radius of area affected | 001 | 1 nautical miles |
| | UAS SWARM OPERATING WITHIN 0.25NM RADIUS OF 524647N 0004225W ( SEWSTEM ). SWARM MADE UP OF 50 UAS.MAXIMUM HEIGHT 100FT ABOVE GROUND LEVEL.FOR INFO 07929 523990.AR-2025-4528 / 01. |
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