NTSB Identification: SEA88LA115.
The docket is stored on NTSB microfiche number 36074.
Accident occurred Monday, June 20, 1988 in EPHRATA, WA
Probable Cause Approval Date: 08/08/1989
Aircraft: PETERSON J-4, registration: CGHGZ
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 GLIDER PLT WAS MANEUVERING FOR A THERMAL WHEN HE ENCOUNTERED A DOWNDRAFT. THE PLT SAID INSUFFICIENT ALTITUDE REMAINED FOR AN AIRPORT LANDING. AN OFF-AIRPORT LANDING ON ROUGH TERRAIN RESULTED IN DAMAGE TO THE GLIDER.

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

WEATHER EVALUATION..MISJUDGED..PILOT IN COMMAND


Contributing Factors

TERRAIN CONDITION..NONE SUITABLE


Contributing Factors

WEATHER CONDITION..DOWNDRAFT


Contributing Factors

TERRAIN CONDITION..ROUGH/UNEVEN

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