| Significance | Code | Meaning |
|---|
| FIR | EGTT | London FIR | | | / | | | Qualifiers | Q | | | | WE | Exercises | | | 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 | 040 | 4000 feet QNE | | | / | | | Centre Latitude | 5100N | 51° 0' North' | | Centre Longitude | 00200W | 2° 0' West | | Radius of area affected | 020 | 20 nautical miles |
| | EXER.MILITARY HEL CONDUCTING EQUIPMENT TESTING WITHIN 20NM RADIUS OF 510000N 0020000W ( BOWERCHALKE ). AIRCRAFT MAY BE UNABLE TO COMPLY WITH RAC.AIRCRAFT WILL REMAIN UNDER SERVICE FROM BOSCOMBE DOWN OR YEOVILTON.FOR INFO 07568 462144 / 01935 455497.AR-2026-5418 / 01. |
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