| Significance | Code | Meaning |
|---|
| FIR | EGTT | London FIR | | | / | | | Qualifiers | Q | | | | NN | TACAN | | | AS | unserviceable | | | / | | | 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 | | | E | En-Route information | | | / | | | From flight level | 000 | Surface | | | / | | | Up to flight level | 999 | Unlimited | | | / | | | Centre Latitude | 5145N | 51° 45' North' | | Centre Longitude | 00135W | 1° 35' West | | Radius of area affected | 025 | 25 nautical miles |
| | BZN TACAN ( 111.9 CHAN 56X ) NOT AVAILABLE,AS A RESULT,ALL MIDS NOT AVAILABLE ALL SIDS NOT AVAILABLE ALL STD IFR DEPS NOT AVAILABLE MISSED APP PROC AND COMMS FAIL PROC FOR ALL APPS AS PER MILITARY AERONAUTICAL INFORMATION PUBLICATION AD2 EGVN K2 |
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