| Significance | Code | Meaning |
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| FIR | EGTT | London FIR | | | / | | | Qualifiers | Q | | | | FW | Wind direction indicator | | | AS | unserviceable | | | / | | | Traffic | V | VFR traffic affected | | | / | | | Purpose | M | Miscellaneous | | | / | | | Scope | A | Aerodrome information | | | / | | | From flight level | 000 | Surface | | | / | | | Up to flight level | 999 | Unlimited | | | / | | | Centre Latitude | 5006N | 50° 6' North' | | Centre Longitude | 00540W | 5° 40' West | | Radius of area affected | 005 | 5 nautical miles |
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