| Significance | Code | Meaning |
|---|
| FIR | EGTT | London FIR | | | / | | | Qualifiers | Q | | | | WU | Unmanned flight | | | 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 | 020 | 2000 feet QNE | | | / | | | Centre Latitude | 5143N | 51° 43' North' | | Centre Longitude | 00016W | 0° 16' West | | Radius of area affected | 002 | 2 nautical miles |
| | FLYING OF LARGE MODEL AIRCRAFT WITHIN 1NM RADIUS OF 514301N 0001544W ( SHENLEY,HERTFORDSHIRE ). FOR INFO 07710 924721.AR-2026-1359 / 01. |
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