[1] 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.
Unusually for a Cold War Soviet aircraft, its 17 m (55.8 ft) span wing employs an American NACA 64-618 airfoil at the wing root, transitioning to an NACA 64-616 section at the wingtip.
[1] In August 2011, there was one A-15 registered with the Federal Aviation Administration in the United States.
[3] Data from The World's Sailplanes:Die Segelflugzeuge der Welt:Les Planeurs du Monde Volume II[4] Sailplane Directory[1]General characteristics Performance