| Significance | Code | Meaning |
|---|
| FIR | EGTT | London FIR | | | / | | | Qualifiers | Q | | | | NN | TACAN | | | XX | miscellaneous plain language | | | / | | | 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 | 5310N | 53° 10' North' | | Centre Longitude | 00031W | 0° 31' West | | Radius of area affected | 025 | 25 nautical miles |
| | TACAN WAD / WADDINGTON FREQUENCY 117.1 CH118X AFFECTED BY ENVIRONMENTAL ISSUES,POTENTIAL UNLOCKS AND EXCESSIVE BEARING ERRORS WITHIN AREAS : 010 TO 075,190 TO 205 AND 265 TO 330.DISTANCE MEASURING EQUIPMENT ERRORS OF UP TO 0.5NM MAY BE EXPERIENCED IN SECTOR 195 TO 200.MINOR UNLOCKS BTN IAF AND FAF FOR THE TAC TO ILS / DISTANCE MEASURING EQUIPMENT RUNWAY 20 MAY BE EXPERIENCED. |
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