NTSB Identification: LAX84LA327.
The docket is stored on NTSB microfiche number 25011.
Accident occurred Monday, May 28, 1984 in LUCERNE VALLEY, CA
Aircraft: SCHWEIZER SGS1-26D, registration: N7710S
Injuries: 1 Minor.

NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.

THE PLT REPORTED THAT HIS GLIDER WAS THE 3RD TO LAUNCH (USING AN AUTO TOW) ON A DISTANCE COMPLETION FLT. HE RELEASED THE TOW CABLE AT ABOUT 900 FT & BEGAN SEARCHING FOR LIFT. NO LIFT WAS FOUND. AFTER A SHORT TIME, HE ATTEMPTED TO RETURN TO THE DEPARTURE POINT. WHILE MANEUVERING AT LOW ALT ON BASE LEG, A THERMAL WAS ENCOUNTERED AND THE PLT'S VISIBILITY WAS MOMENTARILY RESTRICTED BY A DUST PLUME. AT ABOUT THAT TIME, THE GLIDER STALLED, ITS RIGHT WING TIP CONTACTED TERRAIN & IT CARTWHEELED. AFTER THE ACCIDENT, THE DIRECTION OF LAUNCH WAS CHANGED DUE TO A WIND SHIFT. THE PLT STATED, THE APCH 'WAS BAD PLANNING ON MY PART.'

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

WEATHER CONDITION..UNFAVORABLE WIND

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

STALL..INADVERTENT..PILOT IN COMMAND




Contributing Factors

PLANNED APPROACH..IMPROPER..PILOT IN COMMAND

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