The report on data recovered from the Costa Concordia's black box was commissioned by a judge conducting a preliminary hearing on the Jan. 13 incident, the Italian news agency ANSA reported.
"Part of the crew with key responsibilities did not know their duties in the case of an emergency," the report said.
It added that some people put in charge of lifeboats did not have the appropriate certification and that some of the crew did not speak Italian, the working language on the ship.
The Concordia hit a rock and capsized the night of Jan. 13 when it sailed too close to the small island of Giglio. The accident killed 32 people and is considered one of the worst maritime disasters since World War II.
The captain, Francesco Schettino, is under investigation on charges of manslaughter, abandoning ship, and failing to communicate with maritime authorities.
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