| Significance | Code | Meaning |
|---|
| FIR | EGTT | London FIR | | | / | | | Qualifiers | Q | | | | AZ | Aerodrome traffic zone (ATZ) | | | 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 | 031 | 3100 feet QNE | | | / | | | Centre Latitude | 5058N | 50° 58' North' | | Centre Longitude | 00256W | 2° 56' West | | Radius of area affected | 003 | 3 nautical miles |
| | MATZ PARTICIPATING AERODROMES-MERRYFIELD-YEOVILTON RADAR FREQUENCY UPDATED TO CH 127.355.UK AERONAUTICAL INFORMATION PUBLICATION ENR 2.2 REFERS |
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