The designers and testers at "Turboleta". From left to right: at the top - and A.Y.Kvashin G.M.Lapshin down - G.I.Kobets, Honored Test Pilot, Hero of Soviet Union Yu.A.Garnaev, A.N.Rafaelyami The four pilot production aircraft were built. One - an experimental one - for static tests and two - year. In the spring of 1963 the first flight of the Yak-36 (hull number 37) was brought to the airfield in Zhukovsky, FRI, and after all the necessary adjustments, checks and so on. P. Began vertical "flight" on a leash. Lead test pilot assigned Yu.A.Garnaeva and his backup pilot EDO V. Mukhin. The lead designer was O.A.Sidorov, lead engineer - V.N.Pavlov, mechanic - D.A.Kolotursky. Garnaev executed several hovering (0.5 m) on a leash on a concrete pit, closed steel bars. The pit was used for removal of hot gases that raged beneath the fuselage. June 23, 1963 the regime reiterated V. Mukhin, 24 and 30 June, he performed two of approach (hover height 0.7 m). In the future, almost all testing is conducted Mukhin as Garnaev was busy demonstration flights by helicopters abroad.