A helicopter operated by a tour company crashed in waters off the Hawaiian island of Kauai on Thursday afternoon, killing at least one person and setting off search operations for two others who were missing, according to the local authorities.

       The crash was reported around 1:20 p.m., about a quarter of a mile off the island’s northern shore, near the Hanakoa Valley along the Na Pali Coast. One of the three people who had been on the helicopter was found and confirmed dead about an hour later, the Kauai Police Department said in a statement.

       The identities of the people on board were not immediately available. The helicopter was operated by Ali’i Kauai Air Tours and Charters, according to the police.

       Subscribe to The Times to read as many articles as you like.