Antonov A-15

The Antonov A-15 is a Soviet mid-wing, V-tailed single-seat, FAI Open Class glider that was designed by Oleg Antonov and produced by Antonov.
Design and development.
The A-15 was a follow-on design, based on the bureau's experience gained with the A-11 and A-13 gliders. This new open class design quickly proved its worth as a record-setter.
The aircraft is made from aluminium. Unusually for a Cold War Soviet aircraft, its span wing employs an American NACA 64-618 airfoil at the wing root, transitioning to an NACA 64-616 section at the wingtip. The A-15 carries of water ballast. The landing gear is a retractable monowheel.
A total of 350 A-15s were built.
Operational history.
The A-15 was used to set many world records, including a world goal distance record of , flown in June 1960.
In August 2011, there was one A-15 registered with the Federal Aviation Administration in the United States.