| Significance | Code | Meaning |
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| FIR | EGTT | London FIR | | | / | | | Qualifiers | Q | | | | WF | Air refueling | | | LW | will take place | | | / | | | Traffic | I | IFR traffic affected | | | V | VFR traffic affected | | | / | | | Purpose | M | Miscellaneous | | | / | | | Scope | W | Navigational Warning | | | / | | | From flight level | 190 | 19000 feet QNE | | | / | | | Up to flight level | 220 | 22000 feet QNE | | | / | | | Centre Latitude | 5015N | 50° 15' North' | | Centre Longitude | 00520W | 5° 20' West | | Radius of area affected | 068 | 68 nautical miles |
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