Excel-Jet filed a suit against the FAA in an effort to prove that its very light jet airplane and pilot were not at fault in an accident in 2006. On June 22, 2006, the Sport-Jet rolled aggressively to the left immediately after liftoff and crashed.
The company has long contended that wake turbulence was the cause, but the NTSB report, completed in April, found `it is most likely that the wake vortices were neither strong enough nor close enough to the Sport-Jet to cause the violent roll to the left.` The NTSB cited `a loss of control for an undetermined reason` as the probable cause of the accident.
Excel-Jet claims the crash happened because air traffic controllers cleared the jet to take off behind a de Havilland DHC-8 in violation of mandatory separation requirements. (AVweb)