(AP) — A civilian contractor working for the U.S. Navy has released the names of four employees killed when their helicopter crashed on the Hawaiʻi island of Kauaʻi. Oregon-based Croman Corp. says 64-year-old Daniel Maurice of Lyle, Washington, was the aircraft’s chief pilot. Also on board were three Kauaʻi residents: Command Pilot Patrick Rader and two mechanics, Erika Tevez-Valdez and Matthew Haider. Croman says the crew was conducting routine training operations at the Pacific Missile Range Facility under contract with the Navy when their Sikorsky S-61N helicopter crashed Tuesday. The National Transportation Safety Board is investigating.

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