The NTSB is calling for improved jet transition training and awareness of engine core lock—a little-known phenomenon cited as a contributing factor in the crash of Pinnacle Airlines Flight 3701. At a Jan. 9 hearing, the NTSB determined that the "unprofessional behavior, deviation from standard operating procedures and poor airmanship" of Pinnacle Flight 3701's two-man crew led to the crash of the regional jet.
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