NTSB Identification: LAX82FA136B
14 CFR Part 91: General Aviation
Accident occurred Thursday, April 15, 1982 in TULARE, CA
Probable Cause Approval Date: 04/15/1983
Aircraft: BURKHART GROB FLUGZEUGBAH SPEED ASTIR II, registration: N161SS
Injuries: 1 Fatal,1 Serious.

NTSB investigators either traveled in support of this investigation or conducted a significant amount of investigative work without any travel, and used data obtained from various sources to prepare this aircraft accident report.

THE GLIDER PILOT ENTERED A THERMAL WITH THREE OTHER SAILPLANES AND BEGAN TO CLIMB. TWO OF THE SAILPLANES WERE ABOUT 1000 FT BELOW HIM AND THE OTHER PLANE WAS ABOUT 500 FT ABOVE. AS THE PILOT WAS CLIMBING TO ABOUT 4000 FT MSL, HE LOST SIGHT TO THE SAILPLANE ABOVE HIM AND ELECTED TO LEAVE THE THERMAL. AS HE WAS PREPARING TO LEAVE, HE SAW THE OTHER PLANE ON A COLLISION COURSE. HE TOOK EVASIVE ACTION, BUT WAS TOO LATE. THE RIGHT WING OF HIS PLANE STRUCK THE LEFT WING OF N6KS. ABOUT 10 FT OF THE RIGHT WING SEPARATED AND THE PLANE WENT OUT OF CONTROL. THE PILOT BAILED OUT SUCCESSFULLY AND THE GLIDER CAME TO REST UPRIGHT IN AN OPEN FIELD. THE PILOT OF THE OTHER GLIDER MANAGED TO BAIL OUT, BUT HIS PARACHUTE DID NOT OPEN.

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

VISUAL LOOKOUT..INADEQUATE..PILOT IN COMMAND

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

VISUAL LOOKOUT..INADEQUATE..PILOT OF OTHER AIRCRAFT


Contributing Factors

WING..SEPARATION

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