| Significance | Code | Meaning |
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| FIR | EGTT | London FIR | | | / | | | Qualifiers | Q | | | | AF | Flight information region (FIR) | | | XX | miscellaneous plain language | | | / | | | Traffic | I | IFR traffic affected | | | V | VFR traffic affected | | | / | | | Purpose | N | For immediate attention of aircraft operators | | | B | For inclusion in Preflight Infomation Bulletins | | | O | Operationally significant for IFR flights | | | / | | | Scope | A | Aerodrome information | | | E | En-Route information | | | / | | | From flight level | 000 | Surface | | | / | | | Up to flight level | 100 | 10000 feet QNE | | | / | | | Centre Latitude | 5348N | 53° 48' North' | | Centre Longitude | 00331W | 3° 31' West | | Radius of area affected | 028 | 28 nautical miles |
| | THE FOLLOWING AREAS ARE DEACTIVATED WALNEY TRANSPONDER MANDATORY ZONE-SURFACE TO FL100 BURBO BANK TRANSPONDER ZONE AREA A-SURFACE TO 3500FT BURBO BANK TRANSPONDER ZONE AREA B-SURFACE TO 2000FT BURBO BANK TRANSPONDER ZONE AREA C-SURFACE TO FL045 |
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