| Significance | Code | Meaning |
|---|
| FIR | EGTT | London FIR | | | / | | | Qualifiers | Q | | | | NB | Nondirectional radio beacon | | | 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 | | | / | | | From flight level | 000 | Surface | | | / | | | Up to flight level | 999 | Unlimited | | | / | | | Centre Latitude | 5130N | 51° 30' North' | | Centre Longitude | 00004E | 0° 4' East | | Radius of area affected | 005 | 5 nautical miles |
| | NON-DIRECTIONAL BEACON LCY / LONDON CITY 322KHZ UNSERVICEABLE.INBD AIRCRAFT SHOULD ADVISE THAMES RADAR ON FIRST CONTACT IF UNABLE TO FLY THE PUBLISHED MISSED APPROACH PROC.IN EVENT OF RADIOTELEPHONE FAILURE OPERATORS ARE TO FLY THE MISSED APPROACH USING POINTS IN SPACE IN THE FMS. |
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