F/A-22s cleared to resume flight operations Published Jan. 6, 2005 LANGLEY AIR FORCE BASE, Va. (ACCNS) -- The Air Force cleared the F/A-22 Raptor to resume flight operations Jan. 6 following a comprehensive review of procedural and engineering data in the wake of the Dec. 20, 2004, accident at Nellis Air Force Base, Nev.While the safety board investigation continues, Air Force officials said they are highly confident in the design, testing, and development of the most technologically advanced fighter in the world. With approximately 7,000 flight hours already logged in the Raptor and an overwhelmingly positive safety record when compared to previous aircraft development programs, the decision was made that flight operations can be safely resumed. No one was injured in the Dec. 20 accident.