Incident Overview
A pilot experienced a loss of oil pressure and a partial loss of power from the right engine during cruise flight. Subsequently, the engine lost all power. The pilot was unable to feather the right propeller. As the airplane could not maintain altitude, the pilot performed a ditching approximately 75 miles southeast of St. Croix.
Pilot Actions and Rescue
After exiting the airplane, the pilot inflated a life raft. About four hours later, rescue personnel located the pilot. The airplane was not recovered.
Engine and Propeller Issues
The right engine lost power following the reported oil pressure and partial power loss. The pilot attempted but could not feather the propeller. The inability to feather contributed to the accident scenario.
Official Findings
The probable cause of the accident was loss of engine power for undetermined reasons. A contributing factor was the pilot's inability to feather the propeller.