| Significance | Code | Meaning |
|---|
| FIR | EGTT | London FIR | | | / | | | Qualifiers | Q | | | | AE | Control area (CTA) | | | 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 | 105 | 10500 feet QNE | | | / | | | Centre Latitude | 5123N | 51° 23' North' | | Centre Longitude | 00310W | 3° 10' West | | Radius of area affected | 022 | 22 nautical miles |
| | REQUESTS TO CROSS THE CARDIFF CONTROL AREA / CTR MAY BE REFUSED OR DELAYED DUE TO AIR TRAFFIC CONTROL STAFFING,PILOTS SHOULD PLAN TO REMAIN CLEAR OF CARDIFF CONTROLLED AIRSPACE AND USE THE LISTENING SSR CODE 3636 |
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