NTSB Identification: DEN01LA143.
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Accident occurred Saturday, August 11, 2001 in Morgan, UT
Probable Cause Approval Date: 11/01/2001
Aircraft: Blanik L-13, registration: N310GM
Injuries: 2 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 glider was a little high as the pilot approached the airport for landing. She pulled the spoiler handle twice and heard what she thought was the sound of the spoilers deploying, but failed to verify it visually. She had actually pulled the flap handle. The glider overshot the runway and she elected to land on a road adjacent to the departure end of the runway. The right wing was severed when the glider struck a tree and ground looped. The empennage was also torn off. The pilot said the flap handle is next to the spoiler handle and they are identical in appearance. The flap handle was found unlocked and half deployed; the spoiler handle was stowed.

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

the pilot's inadvertent lowering of the flaps and her failure to extend the spoilers.

Full narrative available

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