| Significance | Code | Meaning |
|---|
| FIR | EGTT | London FIR | | | / | | | Qualifiers | Q | | | | AE | Control area (CTA) | | | CD | deactivated | | | / | | | 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 | 040 | 4000 feet QNE | | | / | | | Centre Latitude | 5241N | 52° 41' North' | | Centre Longitude | 00117E | 1° 17' East | | Radius of area affected | 014 | 14 nautical miles |
| | NORWICH CONTROL AREA,CTR AND AIR TRAFFIC ZONE DEACTIVATED.AERODROME CLOSED. |
|
