NTSB Identification: WPR10LA464
14 CFR Part 91: General Aviation
Accident occurred Saturday, September 11, 2010 in Majuro, PO
Probable Cause Approval Date: 01/17/2012
Aircraft: HUGHES OH-6A, registration: N74LB
Injuries: 1 Fatal,1 Minor.

NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.

According to a representative from the operator, the pilot and spotter were conducting fish-spotting duties, and the helicopter was in a cruise flight about 600 feet above the water when the pilot felt a vibration through the tail rotor pedals. The pilot descended to about 15 feet above the water; the helicopter yawed right, contacted the water, and rolled over. The pilot and spotter exited the helicopter and were later rescued by a fishing vessel; however, the spotter died the following day. The helicopter’s tail boom and tail rotor assembly were not located and presumably sank. Sections of the fuselage and main rotor assembly were recovered but were disposed of before investigative personnel could examine them.

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

A loss of helicopter control for undetermined reasons.

Full narrative available

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