NTSB Identification: LAX83LA347.
The docket is stored on NTSB microfiche number 21873.
Accident occurred Sunday, June 26, 1983 in PHELAN, CA
Aircraft: SCHWEIZER SGS 1-26B, registration: N5743S
Injuries: 1 Uninjured.

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

WHILE ON A LOCAL FLT, THERMAL ACTIVITY DECREASED, SO THE GLIDER PLT HEADED BACK TO THE ARPT. ON THE WAY BACK, HE ENCOUNTED AN AREA OF SINKING AIR & LOST 1500 TO 2000 FT OF ALT. HE ELECTED TO LAND ON A ROAD. DURING THE ROLL-OUT, THE LEFT WING HIT A DIRT SHOULDER BESIDE THE ROAD & THE GLIDER GROUND LOOPED.

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

UNSUITABLE TERRAIN OR TAKEOFF/LANDING/TAXI AREA..SELECTED..PILOT IN COMMAND


Contributing Factors

DIRECTIONAL CONTROL..NOT POSSIBLE..PILOT IN COMMAND


Contributing Factors

WEATHER CONDITION


Contributing Factors

WEATHER CONDITION..DOWNDRAFT


Contributing Factors

GROUND LOOP/SWERVE..UNCONTROLLED..PILOT IN COMMAND


Contributing Factors

PRECAUTIONARY LANDING..PERFORMED..PILOT IN COMMAND


Contributing Factors

TERRAIN CONDITION..DIRT BANK/RISING EMBANKMENT

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