MONTAGUE, CA, USA
N2726Z
SCHWEIZER SGS-1-26A
DURING A PLEASURE FLIGHT, THE LAST TRANSMISSION BY THE PILOT STATED HE WAS GOING TO SEE WHAT THE GLIDER COULD DO BESIDES STRAIGHT AND LEVEL FLIGHT. WITNESSES IN THE AREA REPORTED THAT THEY HEARD A LOUD POP AND OBSERVED THE GLIDER, MINUS THE LEFT WING, IN A VERTICAL DESCENT AND COLLIDE WITH THE TERRAIN. THE WING SPAR BROKE TWO FEET FROM THE ROOT. A METALLURGICAL TEST PERFORMED ON THE SPAR REPORTED THAT THE SPAR BROKE IN A POSITIVE (UP) OVERLOAD. POST ACC INVEST REVEALED THE ACFT WAS PLACARDED FOR PLT WT NOT TO EXCEED 166 LBS. THE REC PLT WEIGHED 210 LBS. A SCHWEIZER SERVICE BULLETIN RESTRICTS THIS SAILPLANE FROM AEROBATICS.
Source: NTSB Aviation Accident Database
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