NTSB Identification: CHI01LA098.
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Accident occurred Sunday, March 04, 2001 in South Haven, MN
Probable Cause Approval Date: 10/09/2001
Aircraft: Cessna 170B, registration: N2577D
Injuries: 3 Uninjured.

NTSB investigators may have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.

The pilot was attempting a takeoff from a snow-covered frozen lake. According to the pilot's written statement, "Taking off lake on skis. Snow was sticky - take off run was long - got airborne - couldn't climb above approaching trees - elected to turn left and land on lake." The pilot reported, "Hit the snow with the left wing tip - couldn't straighten flight path - ski on right hit snow with side load & ripped off under plane with the whole gear[.]" The pilot stated that the airplane came to rest approximately 120-feet from where the wingtip impacted terrain.

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

The pilot's failure to maintain altitude/clearance from the terrain during the maneuver to avoid the tree line. Factors to the accident were the diminished aircraft handling, the pilot's maneuver to avoid the tree line, the unsuitable terrain for takeoff selected by the pilot, the snow covered lake, and the tree line.

Full narrative available

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