You will find reports of every sort of accident at a host system at Travis Air power Base in Ca.
Super very early reports claim that a biplane crashed through the system, plus the sleep the special event ended up being canceled:
http://twitter.com/#!/scottkish/status/463065743077036033 http://twitter.com/#!/SchwartzTV/status/463066608987291649 http://twitter.com/#!/UrsoChappell/status/463062338505932800 http://twitter.com/#!/itstedddy/status/463064733168721922 http://twitter.com/#!/DinsmoreDesk/status/463075495471362048 http://twitter.com/#!/XrayvisionzTV/status/463065806549827584 http://twitter.com/#!/r0eland/status/463073539864952833Unfortunately, in addition there is a written report your pilot was definitely killed inside crash:
http://twitter.com/#!/FOX40/status/463070861520424960Twitchy will upgrade this post much more information becomes available.
Editor’s note: This post is clearly updated with extra tweets
Have more information: http://twitchy.com/2014/05/04/reports-plane-crashes-during-air-show-at-travis-air-force-base-pics/