NTSB Identification: ATL94FA166.
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Accident occurred Saturday, August 27, 1994 in MAYLENE, AL
Probable Cause Approval Date: 05/09/1995
Aircraft: SCHWEIZER SGS 1-34R, registration: N1132S
Injuries: 1 Fatal.
NTSB investigators either traveled in support of this investigation or conducted a significant amount of investigative work without any travel, and used data obtained from various sources to prepare this aircraft accident report.
THE PILOT WAS ON A LOCAL FLIGHT, ABOUT TWO MILES NORTHWEST OF THE DEPARTURE AIRPORT. WITNESSES HEARD A LOUD NOISE, THEN OBSERVED A WING SEPARATE FROM THE GLIDER, WHILE THE GLIDER WAS MANEUVERING. THE MAIN WRECKAGE WAS FOUND IN A WOODED AREA, ABOUT 1,000 FEET EAST OF WHERE THE SEPARATED LEFT WING WAS LOCATED. FRACTURE EXAMINATION OF THE LEFT WING SPAR SHOWED EVIDENCE OF OVERLOAD. THERE WAS ALSO EVIDENCE OF HIGH G-LOADING ON THE WING SKIN AND SPAR CARRY THROUGH AREAS. PRIOR TO THE ACCIDENT, THE PILOT HAD LOGGED 53 HOURS OF FLYING TIME IN GLIDERS (153 FLIGHTS). HE HAD FLOWN THE SGS 1-34R ON TWO OCCASIONS PRIOR TO THE ACCIDENT, WITH A TOTAL FLIGHT TIME OF .8 HOURS. THE MAJORITY OF HIS FLYING TIME WAS LOGGED IN THE SGS 2-33.
The National Transportation Safety Board determines the probable cause(s) of this accident to be: THE PILOT EXCEEDING THE DESIGN STRESS LIMITS OF THE AIRCRAFT, RESULTING IN AN OVERLOAD FAILURE OF THE WING SPAR, AND SEPARATION OF THE LEFT WING FROM THE AIRCRAFT. A FACTOR WAS THE PILOT'S LACK OF TOTAL FLYING EXPERIENCE IN THIS MODEL OF AIRCRAFT. Full narrative available
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