prevent it in the future. >> absolutely. there are a lot of lessons here. the safety board does point to appoint lot error as a cause of the terrible accident and highlights a system that allowed a pilot who appeared to have been poorly qualified and poorly trained to be in command of an aircraft with four dozen passengers dependent upon it. >> reporter: when couldn't nental flight was about to staff. the captain reacted with tragic mistakes, ignoring warnings the plane was slowing and then overriding an emergency system that trialed to point the aircraft nose down to regain speed. >> the captain's improper flight control inputs were consistent with startle and confusion. >> reporter: rens low, a pilot for colgan air repeatedly failed test drives. they never trained lenslow in a