| Significance | Code | Meaning |
|---|
| FIR | EGTT | London FIR | | | / | | | Qualifiers | Q | | | | XX | Miscellaneous | | | 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 | 021 | 2100 feet QNE | | | / | | | Centre Latitude | 5056N | 50° 56' North' | | Centre Longitude | 00239W | 2° 39' West | | Radius of area affected | 006 | 6 nautical miles |
| | STATIONARY TRANSPONDER TESTING DEPLOYED ON THE GROUND.WITHIN 5NM RADIUS OF 505622N 0023858W ( YEOVIL ). TRANSPONDER WILL DISPLAY BAR ALT OF 1500FT ABOVE GROUND LEVEL AND IAS 65KTS.FOR INFO 01935 703050 / 07714 140774.AR-2026-5021 / 02. |
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