NAVAIR attempted to land X-47B “Salty Dog 501” on board USS George H.W. Bush on Jul. 15 but the aircraft developed an instrumentation issue while on the way to the carrier.
The aircraft was diverted back to NAS Patuxent River and no more further testing are scheduled.
[thumb]http://www.navytimes.com/article/20130716/NEWS04/307160019/X-47B-fails-fourth-landing-attempt[/thumb]