| Significance | Code | Meaning |
|---|
| FIR | EGTT | London FIR | | | / | | | Qualifiers | Q | | | | CS | Secondary surveillance radar | | | XX | miscellaneous plain language | | | / | | | Traffic | I | IFR traffic affected | | | / | | | Purpose | B | For inclusion in Preflight Infomation Bulletins | | | O | Operationally significant for IFR flights | | | / | | | Scope | E | En-Route information | | | / | | | From flight level | 000 | Surface | | | / | | | Up to flight level | 095 | 9500 feet QNE | | | / | | | Centre Latitude | 5141N | 51° 41' North' | | Centre Longitude | 00147W | 1° 47' West | | Radius of area affected | 021 | 21 nautical miles |
| | SSR ALLOCATION MODE 3 / A CODES A6001-A6017 TEMPORARY ALLOCATED TO BRIZE NORTON WITHIN 20NM RADIUS OF 514059N 0014729W ( FAIRFORD AERODROME ). MODE A CODES AND ASSOCIATED MODE C PRESSURE ALTITUDE REPORTING DATA SHOULD BE CONSIDERED VALIDATED AND VERIFIED DURING THIS PERIOD.FOR INFO 01993 897878 / 01993 897526.AR-2026-3542 / 02. |
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