| Significance | Code | Meaning |
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| FIR | EGXX | UK Open FIR | | | / | | | Qualifiers | Q | | | | XX | Miscellaneous | | | LW | will take place | | | / | | | Traffic | I | IFR traffic affected | | | V | VFR traffic affected | | | / | | | Purpose | B | For inclusion in Preflight Infomation Bulletins | | | O | Operationally significant for IFR flights | | | / | | | Scope | W | Navigational Warning | | | / | | | From flight level | 000 | Surface | | | / | | | Up to flight level | 077 | 7700 feet QNE | | | / | | | Centre Latitude | 5503N | 55° 3' North' | | Centre Longitude | 00234W | 2° 34' West | | Radius of area affected | 007 | 7 nautical miles |
| | FLIGHT TRIALS WITHIN 6NM RADIUS OF 550325N 0023355W ( SPADEADAM ). FOR INFO 07923 375175 / 01302 230500 / 01302 230500.AR-2026-9930 / 01. |
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