In June 1970 a group of mainly Jewish dissidents, and two teenage children, hatched an audacious plan to take over a small 12-seater plane in the Soviet Union and fly to freedom. Witness hears from married couple, Eduard Kutznetzov and Sylva Zalmanson, who came up with the hijack plot.

Photo: Sylva Zalmanson and Eduard Kutznetzov (right) in New York following Eduard's release in a prisoner swap with the US in 1979. Courtesy of Ilya Levkov).