NTSB Identification: NYC86FA114B.
The docket is stored on NTSB microfiche number 30893.
Accident occurred Monday, April 28, 1986 in JULIAN, PA
Aircraft: SCHWEIZER SGS-1-26B, registration: N686U
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 PLT OF N686U REPORTED HE WAS ESTABLISHED IN WEAK THERMAL AT AN ALT OF APRX 2500 AGL WHEN TWO OTHER GLIDERS WERE SEEN. ONE AT APRX THE SAME ALT AND ONE BELOW HIS ALT. HE CONTINUED TO STATE THAT THE GLIDER WHICH WAS AT HIS ALT PASSED VERY CLOSE TO BUT UNDERNEATH HIS GLIDER. HE STATED HE MOMENTARILY LOST SIGHT OF THE GLIDER BEFORE SEEING IT TURN AND AND CONTINUE IN THE THERMAL, HOWEVER, BECAUSE OF HIS GLIDERS ATTITUDE HE WAS UNABLE TO MAINTAIN VISUAL CONTACT WITH THE OTHER GLIDER. N686U WAS THEN STRUCK FROM THE RIGHT REAR BY N40MS. BOTH PLTS THEN LOST CONTROL OF THEIR GLIDERS WHICH DESCENDED TO GROUND IMPACT.

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

VISUAL LOOKOUT..NOT ATTAINED..PILOT OF OTHER AIRCRAFT

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

CLEARANCE..NOT MAINTAINED..PILOT OF OTHER AIRCRAFT

Index for Apr1986 | Index of months