Aviation Accident Summaries

Aviation Accident Summary LAX83LA190

LA JOLLA, CA, USA

Aircraft #1

N3025R

ROLLADEN-SCHNEIDER LS-4

Analysis

THE PLT WAS QUALIFIED FOR SOLO WINCH LAUNCHES IN AN SGS-1-26 GLIDER. ON HIS 1ST WINCH LAUNCH USING A C.G. HOOK IN THIS GLIDER, HE ALLOWED THE ACFT TO ENTER AN ABNORMALLY HIGH ANGLE OF ATTACK, WHICH WAS OBSERVED THRU-OUT THE TAKEOFF PROCESS. THE GLIDE THEN ENTERED A STALL-SPIN & CRASHED. ACCORDING TO THE OWNER'S MANUAL, FORWARD ELEVATOR MUST BE USED AFTER LEAVING THE GROUND DUE TO THE LOCATION OF THE TOW HOOK & THE TENDENCY OF THE GLIDER TO ENTER A STEEP NOSE-UP ATTITUDE. THE MANUAL REQUIRED PRONOUNCED FORWARD PRESSURE THRU-OUT THE TRANSITION ARC.

 

Source: NTSB Aviation Accident Database

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