| Significance | Code | Meaning |
|---|
| FIR | EGTT | London FIR | | | / | | | Qualifiers | Q | | | | RO | Overflying restriction | | | LT | limitation | | | / | | | Traffic | I | IFR traffic affected | | | V | VFR traffic affected | | | / | | | Purpose | N | For immediate attention of aircraft operators | | | 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 | 029 | 2900 feet QNE | | | / | | | Centre Latitude | 5139N | 51° 39' North' | | Centre Longitude | 00056W | 0° 56' West | | Radius of area affected | 003 | 3 nautical miles |
| | MILITARY AIRCRAFT SHALL AVOID AN OPERA EVENT WITHIN 2NM RADIUS OF POSITION 513837N 0005558W ( STOKENCHURCH,BUCKINGHAMSHIRE ) IN LOW FLYING AREA 1C / NIGHT ROTARY REGION 1 SURFACE TO 2000FT ABOVE GROUND LEVEL.26 / 05 / 241 / LFC |
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