NTSB Identification: CEN13LA369
14 CFR Part 91: General Aviation
Accident occurred Saturday, June 22, 2013 in Navasota, TX
Probable Cause Approval Date: 03/24/2014
Aircraft: SCHLEICHER ASW-15, registration: N77VT
Injuries: 1 Serious.

NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.

The pilot reported that the glider lost lift during the final leg of a cross-country flight. He chose to divert to a nearby airport to land; however, he subsequently realized that he would not be able to reach that airport, so he attempted to land in an open field. The pilot stated that, when he extended the spoilers at an indicated airspeed of 45 mph on the base leg of the approach, the glider inadvertently stalled and impacted terrain. He reported no preaccident failures or malfunctions with the glider that would have precluded normal operation. It is likely that the pilot deployed the spoilers with insufficient airspeed during the approach for landing, which resulted in the aerodynamic stall.

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

An inadvertent aerodynamic stall during the approach for landing.

Full narrative available

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