| Significance | Code | Meaning |
|---|
| FIR | EGTT | London 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 | A | Aerodrome information | | | W | Navigational Warning | | | / | | | From flight level | 000 | Surface | | | / | | | Up to flight level | 074 | 7400 feet QNE | | | / | | | Centre Latitude | 5421N | 54° 21' North' | | Centre Longitude | 00143W | 1° 43' West | | Radius of area affected | 007 | 7 nautical miles |
| | FLIGHT TRIALS WITHIN 6NM RADIUS OF 542128N 0014314W ( CATTERICK GARRISON ). FOR INFO 07923 375175 / 01302 230500 / 01302 230500.AR-2026-9931 / 01. |
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