LET L13

Sparta, NY — August 1, 2009

Event Information

DateAugust 1, 2009
Event TypeACC
NTSB NumberERA09CA434
Event ID20090803X00319
LocationSparta, NY
CountryUSA
Coordinates42.56087, -77.68961
Highest InjurySERS

Aircraft

MakeLET
ModelL13
CategoryGLI
FAR Part091
Aircraft DamageSUBS

Conditions

Light ConditionDAYL
WeatherVMC

Injuries

Fatal0
Serious1
Minor0
None0
Total Injured1

Event Location

Probable Cause

The student pilot's failure to maintain airspeed resulting in an aerodynamic stall.

Full Narrative

The student pilot encountered a thermal lift, and climbed to 3,000 feet. He stated in a statement to law enforcement personnel, "I got myself into a spin that I was not sure how to get out of." He further stated, "Somehow I was able to get myself out of that, and was headed back to the airport. This is where it gets vague to me. I think I started into another spin." Another glider pilot who departed 10 to 15 minutes before the student pilot stated he observed the glider about a 1,000 feet or less below him spinning to the left. He made a 360 degree turn looking for the glider and could not see it and figured the pilot recovered from the spin and flew away. Examination of the glider by a Federal Aviation Administration inspector revealed the glider collided with the ground in a nose down left wing attitude. The forward cabin area received structural damage, the left wing was pushed aft and the right wing was accelerated forward. The flaps on both wings were extended. The Pilot's Notes for the L-13 Sailplane states, the glider will stall at 30 knots with the flaps extended. No anomalies were noted with the airframe or flight controls.

About This NTSB Record

This aviation event was investigated by the National Transportation Safety Board (NTSB). NTSB investigates all U.S. civil aviation accidents to determine probable cause and issue safety recommendations to prevent future accidents.

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