| Significance | Code | Meaning |
|---|
| FIR | EGTT | London FIR | | | / | | | Qualifiers | Q | | | | PU | Missed approach procedure | | | XX | miscellaneous plain language | | | / | | | Traffic | I | IFR 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 | 5320N | 53° 20' North' | | Centre Longitude | 00251W | 2° 51' West | | Radius of area affected | 005 | 5 nautical miles |
| | AIRCRAFT UNABLE TO FLY STANDARD MISSED APPROACH OR RADIO FAIL PROCEDURE USING AREA NAVIGATION SUBSTITUITION SHOULD REQUEST ALTN MISSED APPROACH INSTRUCTIONS ON FIRST CONTACT WITH AIR TRAFFIC CONTROL DUE TO NON-DIRECTIONAL BEACON UNSERVICEABLE |
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