TV cameras in the rear fuselage. Yak-27K (Yak-27K-8) Interceptor version of Yak-27, armed with two K-8 missiles, did not enter service. Yak-27R Tactical reconnaissance version of Yak-27, the most built variant with about 180 built. Yak-27LSh, (lyzhnoye shasee - ski undercarriage) Conversion of a Yak-27R, with a single retractable ski under the centre fuselage and enlarged nosewheels. Yak-27RN Reconnaissance version of Yak-27 underwent flight testing, nothing further known. Yak-27V High-altitude interceptor, one prototype only, converted from the Yak-121. Had auxiliary rocket engine. Yak-121 Prototype of Yak-27 family. Operators Soviet Air Force 11th Independent Vitebskiy Reconnaissance Regiment (1966–70, Neu-Welzow, East Germany) 47th Independent Guards Reconnaissance Regiment (received first Yak-27R in May 1959. Last aircraft were retired in mid-1970s and replaced by MiG-25RBs; based at Shatalovo, Moscow Military District) 48th Independent Guards Nizhegorodsky Reconnaissance Regiment (1958–72, Kolomiya, western Ukraine) 98th Independent Guards Vislenskiy Reconnaissance Regiment (? 1961-73, Monchegorsk, Kola Peninsula) 164th Independent Guards Kerchensky Independent Reconnaissance Regiment (1961–73, Brzeg, Poland) 511th Independent Yasskiy Reconnaissance Regiment (1960–65, Buyalyk, near Odessa) 886th Independent Stalingradskiy Reconnaissance Regiment (1966–70, Jēkabpils, Latvia) Survivors A Yak-27R is preserved at the Central Air Force Museum at Monino, outside of Moscow, Russia. There are also another two airframes preserved in Germany, one at Hugo Junkers Museum Dessau and the other at Speyer Technic Museum, however the latter is in poor condition. Specifications (Yak-27R) See also References 1950s Soviet fighter aircraft 1950s Soviet military reconnaissance aircraft Yak-027 Mid-wing aircraft Twinjets Aircraft first flown in 1956