NTSB Identification: LAX92LA021.
The docket is stored on NTSB microfiche number 45617.
Accident occurred Sunday, October 20, 1991 in FREMONT, CA
Probable Cause Approval Date: 04/27/1993
Aircraft: SCHWEIZER SGS-2-33A, registration: N17886
Injuries: 2 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.
ACCORDING TO THE 206-HOUR GLIDER PILOT, HE RELEASED FROM THE TOW AIRPLANE AT 3,500 FEET MSL AND STAYED NEAR THE DEPARTURE AIRPORT. AFTER DESCENDING TO 1,000 FEET THE PILOT ENTERED THE LANDING TRAFFIC PATTERN. THE TURN ONTO THE BASE AND FINAL APPROACH LEGS APPEARED NORMAL. ON SHORT FINAL APPROACH THE GLIDER'S RATE OF DESCENT RAPIDLY INCREASED, AND THE GLIDER COLLIDED WITH THE ROOF OF A BUILDING. THE PILOT REPORTED THAT THE SURFACE WIND WAS BETWEEN 9 AND 10 MPH, AND THE WIND WAS NOT GUSTY.
The National Transportation Safety Board determines the probable cause(s) of this accident to be: THE PILOT'S INADEQUATE ALTITUDE ON FINAL APPROACH.
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