NTSB Identification: LAX87LA006.
The docket is stored on NTSB microfiche number 31448.
Accident occurred Saturday, October 04, 1986 in CALISTOGA, CA
Aircraft: Burkhart Grob G103 TWIN II, registration: N914G
Injuries: 1 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.

AT THE END OF A LOCAL PLEASURE FLIGHT NEAR CLISTOGA, CLAIFORNIA, THE PILOT STATED THE NOSE OF HIS GLIDER WAS PUSHED DOWN WHILE ON BASE LEG AT CALISTAGA AIRPARK. DUE TO A LOSS IN ALTITUDE TO INCREASE AIRSPEED, THE PILOT WAS UNABLE TO REACH THE RUNWAY. A FORCED LANDING WAS ATTEMPTED IN A NEARBY PLOWED FIELD; HOWEVER, A ROW OF TREES WAS IN THE WAY WHICH THE PILOT THOUGHT HE COULD PORPOISE OVER. THE GLIDER COLLIDED WITH A TREE AND STALLED INTO THE FIELD. THE PILOT REPORTED THAT HE HAD OBTAINED HIS WEATHER INFORMATION FROM OTHER PILOTS WHO WERE FLYING IN THE AREA.

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

WEATHER CONDITION..DOWNDRAFT

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

WIND INFORMATION..INADEQUATE..PILOT IN COMMAND


Contributing Factors

OBJECT..TREE(S)

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