EPHRATA, WA, USA
N22HL
APPLEBAY SAILPLANES ZUNI II
N20UZ
SCHLEICHER ASW-20
THE TWO GLIDERS COLLIDED WHILE THERMALING IN VICINITY OF EACH OTHER WHILE ENGAGED IN A CONTEST. ACCORDING TO THE PLTS THEY LOST SIGHT OF EACH OTHER WHILE SPIRALING IN THE LIFT. BOTH ACFT LANDED SAFELY. THE COLLISION WAS NOSE TO TAIL.
Source: NTSB Aviation Accident Database
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