Building on the success of the first File a Flight Plan Day in November 2011 three further events, aimed at preparing UK airspace users and service providers for the major changes being introduced during the Olympics, have been announced today. Included is a test of the full Atlas Control flight planning and air traffic control system on Friday 13 July.
More details here: http://olympics.airspacesafety.com/news/three-more-olympics-airspace-warm-up-events-announced