| Significance | Code | Meaning |
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| FIR | EGTT | London FIR | | | / | | | Qualifiers | Q | | | | IC | ILS | | | XX | miscellaneous plain language | | | / | | | Traffic | I | IFR 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 | | | / | | | 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 | 005 | 5 nautical miles |
| | RUNWAY 07 ILS RESTRICTED TO LOCALISER / DISTANCE MEASURING EQUIPMENT ONLY AND UNMONITORED.RUNWAY 07 LOCALISER NOT TO BE USED MORE THAN 20 DEG SOUTH OF EXTENDED CENTRELINE DUE TO FALSE CAPTURE RISK.LOCALISER FLAGS MAY OCCUR 17-25NM FROM LOCALISER BELOW 2500FT WHEN MORE THAN 5 DEG EITHER SIDE OF CENTRELINE.LOCALISER AND DISTANCE MEASURING EQUIPMENT IDENT NOT SYNCHRONISED.RUNWAY 25 : GP FLAGS MAY OCCUR WHEN CLOSING FROM MORE THAN 8 DEG LEFT OF CENTRELINE.AUTO COUPLED APPROACHES PERMITTED TO CATEGORY I DH,GP FLUCTUATIONS MAY OCCUR.FALSE DISTANCE MEASURING EQUIPMENT RANGES MAY OCCUR 17-25NM LEFT OF CENTRELINE.TACAN BZN / BRIZE NORTON 111.900 CH56X.AIRCREW MAY EXPERIENCE UNLOCKS AROUND RADIAL 250 DEG. |
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