| Significance | Code | Meaning |
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| FIR | EGTT | London FIR | | | / | | | Qualifiers | Q | | | | MX | Taxiway(s) | | | TT | trigger NOTAM | | | / | | | Traffic | I | IFR traffic affected | | | V | VFR traffic affected | | | / | | | Purpose | B | For inclusion in Preflight Infomation Bulletins | | | O | Operationally significant for IFR flights | | | / | | | Scope | A | Aerodrome information | | | / | | | From flight level | 000 | Surface | | | / | | | Up to flight level | 999 | Unlimited | | | / | | | Centre Latitude | 5241N | 52° 41' North' | | Centre Longitude | 00117E | 1° 17' East | | Radius of area affected | 005 | 5 nautical miles |
| | TRIGGER NOTAM-AERONAUTICAL INFORMATION PUBLICATION SUPPLEMENT 056 / 2026 WITH EFFECT FROM 25 JUN 2026 UFN.NORWICH AIRPORT ( EGSH )-TAXIWAY ALPHA CLOSURE |
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