| 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 | W | Navigational Warning | | | / | | | From flight level | 000 | Surface | | | / | | | Up to flight level | 027 | 2700 feet QNE | | | / | | | Centre Latitude | 5211N | 52° 11' North' | | Centre Longitude | 00111W | 1° 11' West | | Radius of area affected | 003 | 3 nautical miles |
| | INCREASED AERIAL ACTIVITY WITHIN 2NM RADIUS OF 521039N 0011031W ( PRESTON CAPES ). CONTACT CH 135.480.FOR INFO 07984 159992.AR-2026-6417 / 01. |
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