NTSB Identification: ANC08LA060
14 CFR Part 91: General Aviation
Accident occurred Saturday, June 14, 2008 in Ocala, FL
Probable Cause Approval Date: 04/15/2009
Aircraft: PIPER PA-34, registration: N11HR
Injuries: 4 Uninjured.

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 the private pilot, who was on a personal cross-country flight, he was about 6-10 feet above the landing runway when the left engine's propeller feathered. He said that the airplane dropped hard onto the runway, collapsing the nose landing gear and driving it through the top of the fuselage. The pilot reported that during the past several months the left propeller would feather uncommanded when taxiing from landing. He said that on the advice of his mechanic he had the propeller overhauled, and then replaced the engine--neither of which fixed the problem. The pilot, in consultation with his mechanic, determined that the propeller would probably not feather in flight. The pilot said that he planned to land with extra power during the accident flight, but found himself high and long on final approach, and when he reduced engine rpm to idle, about 6-10 feet above the runway, the left propeller feathered.

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

The pilot's continued operation of the airplane with a known mechanical deficiency--a propeller that would feather at low power. Contributing to the accident was the uncommanded feathering of the propeller.

Full narrative available

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