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N97505 accident description

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Crash location 41.520834°N, 76.462222°W
Nearest city Dushore, PA
41.524242°N, 76.400774°W
3.2 miles away
Tail number N97505
Accident date 14 Jun 2015
Aircraft type Stinson 108
Additional details: None

NTSB Factual Report

On June 14, 2015, about 0745 eastern daylight time, a Stinson 108, N97505, was force landed following a reported loss of engine power after departure from Dwight's Delight Airport (PA71), Dushore, Pennsylvania. The private pilot was seriously injured and one passenger received minor injuries. The airplane was substantially damaged. The airplane was operated by the pilot under the provisions of Title 14 Code of Federal Regulations Part 91 as a personal flight. Day, visual meteorological conditions prevailed, and no flight plan was filed. The flight to Bradford County, Pennsylvania (N27) was originating at the time of the accident.

The pilot reported that he flew the airplane the afternoon prior to the accident and there were no anomalies during the flight. After the flight, he checked the oil and dipped the fuel tanks; there were 12 gallons in the left tank and 10 gallons in the right tank. On the morning of the accident, he performed the preflight inspection and "all functions were normal" to include the engine run-up. During the initial climb after takeoff, about 100 feet above the ground, the engine "stopped producing power immediately." The propeller continued to windmill. He applied carburetor heat; however, there was no change in performance. He maneuvered the airplane to avoid larger trees and a power line. The airplane settled into the trees subsequently collided with the ground. The passenger assisted the pilot out of the airplane and they were met by first responders.

A Federal Aviation Administration (FAA) inspector responded to the accident site and examined the wreckage. Both of the wing spars, the fuselage, and the engine firewall received structural damage. There was no fire. The airplane was recovered to a hangar at the airport for further examination.

An examination of the engine was performed by a FAA airworthiness inspector. He reported that the carburetor venturi operated normally with throttle movement. The carburetor inlet screen was free of contaminants. The carburetor mixture was working normally and connected. All carburetor airworthiness directives were complied with. The intake tubes were cracked from impact. The gascolator was in good order and not blocked. Both the left and right magnetos produced spark on all leads when rotated manually. The ignition leads were normal in appearance. The camshaft and lifters were "good" and the pushrods did not appear to be bent. The engine contained a sufficient supply of oil. The cylinder walls appeared normal with no internal scoring. All spark plugs appeared to be in "new" condition with no fouling or damage. Suction and compression was observed on all cylinders when the engine crankshaft was rotated manually. The fuel system appeared normal and there were no contaminants in the tanks. The fuel filter bowl contained no contaminants.

According to the FAA inspector, the last annual inspection on the airframe and engine was completed on October 1, 2014. The engine total time at the time of the accident was 2,069.2 hours and the time since the last major overhaul was 67.4 hours.

According to the 0754 weather observation at Williamsport Regional Airport, Williamsport, Pennsylvania, located about 26 miles from the accident site, the temperature and dew point were 66 degrees F and 61 degrees F, respectively. According to the carburetor icing probability chart in FAA Special Airworthiness Information Bulletin CE-09-35 (Carburetor Icing Prevention), dated June 30, 2009, the temperature/dew point at the time of the accident was in the area of serious icing at glide power.

NTSB Probable Cause

The total loss of engine power during the initial climb for reasons that could not be determined because postaccident examination of the engine revealed no anomalies that would have precluded normal operation.

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