No liability accepted. Use only if you understand what you are doing.
Main source for airspace files: http://soaringweb.org/Airspace/UK
Version UK2012C Airspace for SeeYou LX etc (UK TNP format) May-2012
Garmin Airspace now available at http://ukgarminairmap.wikispaces.com/
OpenAir format airspace available at http://www.freeflight.org.uk/software/openair.html