NTSB Identification: NYC05FA005.
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Accident occurred Monday, October 11, 2004 in Madison, CT
Probable Cause Approval Date: 05/30/2006
Aircraft: Piper PA-28-161, registration: N233PA
Injuries: 2 Fatal.
NTSB investigators either traveled in support of this investigation or conducted a significant amount of investigative work without any travel, and used data obtained from various sources to prepare this aircraft accident report.
The pilot made a "Mayday" call, and reported that he was at 4,000 feet msl and descending without engine power. An approach controller acknowledged the pilot's distress call, and attempted to direct him to a nearby airport. The pilot subsequently elected to perform a forced landing to a field; however, during the landing the airplane impacted a private residence. A witness, located about 4 miles north of the accident site, saw the accident airplane flying normally, then heard a "bang." He then heard about 5 seconds of intermittent engine noise, followed by white smoke, which began trailing behind the airplane as it flew. The propeller was found about 3.4 miles from where the airplane came to rest. Examination of the airframe revealed no mechanical anomalies, and examination of the engine revealed damage consistent with an engine overspeed. Examination of the propeller, propeller flange, and associated hardware revealed signatures consistent with insufficient propeller retention bolt torque.
The National Transportation Safety Board determines the probable cause(s) of this accident to be: A loss of engine power due to separation of the propeller due to under-torqued retention bolts. Full narrative available
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