The National Transportation Safety Board said Tuesday that a helicopter that crashed in Hawaii last month and killed all four people on board nose-dived from 200 feet (60 meters) above ground after it unexpectedly stopped while making a shallow left turn. The agency's preliminary report on the Feb. 22 crash on Kauai said U.S. Navy contractor Croman Corp. was using the Sikorsky S-61N helicopter to retrieve inert training torpedoes from the Pacific Ocean at the time. The helicopter then was expected to return the torpedo to the nearby Pacific Missile Range Facility using a sling load, which is cargo carried beneath a helicopter.
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Agency: Hawaii helicopter nose dived before crash killed 4
