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The Yakovlev Yak-18 (Russian: Як-18, also transcribed as Jak-18, NATO reporting name Max) was a Soviet tandem two-seat military primary trainer aircraft. Originally powered by one 119 kW (160 hp) Shvetsov M-11FR-1 radial piston engine, it entered service in 1946. It is also produced in China as the Nanchang CJ-5. |
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The Yak18PS development with the tail wheel, it was a triumph at the 1970 World Championship in UK. Produced in small series of six at the Arseniev plant, there is only one aircraft remaining to date. In contrast with the forthcoming. Yak-50, the "PS" history was not connected with any structural design flaws, thanks in particular to a lighter fabric-covered wing. |
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The Yakovlev Yak-19
was a prototype Soviet fighter aircraft built in 1947. It was the first
Yakovlev jet fighter, and the first
OKB aircraft designed from the onset to
have an all-metal stressed skin, and a hydraulic system. The Yak-19 was the
second Soviet aircraft to use an afterburning turbojet, the
Klimov RD-10F, and the last Yakovlev
Aircraft to use a version of the German
Jumo 004-derived RD-10 jet engine. Only two
examples were built. |
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RUSSIA (WARBIRD) |
The Yakovlev
Yak-25 (NATO designation Flashlight-A / Mandrake) was a swept wing,
turbojet-powered interceptor aircraft and reconnaissance aircraft used
by the Soviet Union. |
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RUSSIA (WARBIRD) |
The Yakovlev Yak-40 (NATO reporting name: Codling) is a small, three-engined airliner that is often called the first regional jet transport aircraft. It was introduced in September 1968 with Aeroflot. |
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The first drawings showed a supersonic aircraft strongly influenced by Hawker P.1154 in study in the United Kingdom but with two R27-300 engines. Supersonic performances would have implied many difficulties of development, and it was decided to initially develop a relatively simple aircraft limited to Mach 0.95. Although the Yak-38 and Yak-38M were developed from the land-based Yakovlev Yak-36, the aircraft had almost nothing in common. |
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The Yakovlev Yak-52 (Як-52) is a Soviet primary trainer aircraft which first flew in 1976. It is still being produced in Romania by Aerostat, which gained manufacturing rights under agreement within the now defunct COMECON socialist trade organisation. The Yak-52 was designed originally as an aerobatic trainer for students in the Soviet DOSAAF training organisation, which trained both civilian sport pilots and military pilots. |
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JAPAN |
The most important of the Yokosuka-designed trainers, was the Yokosuka K5Y1, first flown during December 1933. Adopted in January 1934 as the Navy Type 93 Intermediate Trainer, it was built to a total of 5,770 by the end of the Pacific war, being allocated the Allied codename 'Willow'. Built in three versions, with float and wheel landing gear, the 11.00m span K5Y1 with a 254kW Hitachi Amakaze radial engine had a maximum speed of 212km/h. |
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The P1Y was designed by the Yokosuka Naval Air Technical Arsenal to Navy specifications calling for speed matching the Zero, range matching the G4M, a 907 kg (2,000 lb) bombload, and the ability to dive-bomb as well as carry torpedoes. As a result, the construction suffered from excess complexity, difficulty of manufacture, and poor serviceability. Problems with the Nakajima Homare engine led to its replacement by the Mitsubishi Kasei.
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