NTSB Identification: LAX86LAMS1.
The docket is stored on NTSB microfiche number 34746.
Nonscheduled 14 CFR
Accident occurred Thursday, March 20, 1986 in MAUNALOA, HI
Probable Cause Approval Date: 03/30/1988
Aircraft: CESSNA U206C, registration: N144FP
Injuries: 1 Fatal.

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

WHILE ON AN INTER-ISLAND CARGO FLIGHT CONDUCTED UNDER 14 CFR 135, THE PILOT REPORTED TO THE HONOLULU ARTCC THAT THE AIRPLANE WAS EXPERIENCING A LOSS OF PROPELLER RPM; HE DID NOT REPORT THAT THE ENGINE WAS LOSING POWER. THE AIRPLANE CRASHED INTO THE PACIFIC OCEAN SHORTLY THEREFORE. NEITHER THE AIRPLANE NOR THE PILOT WAS RECOVERED AFTER A 2-DAY SEARCH. THE PROPELLER WAS RECENTLY OVERHAULED AND INSTALLED ONTHE AIRPLANE. THE PROPELLER HAD ACCRUED ABOUT 10 HOURS SINCE OVERHAUL AT THE TIME OF THE ACCIDENT.

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

REASON FOR OCCURRENCE UNDETERMINED

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