NTSB Identification: NYC08CA068.
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Accident occurred Saturday, December 22, 2007 in Alton, NH
Probable Cause Approval Date: 02/28/2008
Aircraft: Cessna 170B, registration: N3070A
Injuries: 4 Uninjured.
NTSB investigators used data provided by various entities, including, but not limited to, the Federal Aviation Administration and/or the operator and did not travel in support of this investigation to prepare this aircraft accident report.
The pilot stated that he took three friends on a short cross-country pleasure flight. The airplane was entering a downwind leg at the destination airport, when the pilot decided to make a low pass over an adjacent lake, near a friend's property. The pilot said that his depth perception was negatively affected due to the flat light and snow on the ground. While maneuvering over the lake, the right main landing gear contacted the snowy frozen surface, which resulted in the right wing impacting the surface. The airplane came to rest upright on the frozen lake, and sustained substantial damage to the right wing and firewall. The reported weather at an airport about 10 miles north of the accident site, about the time of the accident, included calm winds and an overcast ceiling at 2,200 feet.
The National Transportation Safety Board determines the probable cause(s) of this accident to be: The pilot's failure to maintain clearance above a frozen lake while maneuvering. Factors contributing to the accident were the pilot's attempt of the low altitude maneuver, and unfavorable lighting conditions. Full narrative available
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