Yakovlev Yak-44
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The Yakovlev Yak-44 (russian: link=yes, Як-44) was a proposed twin-
turboprop A turboprop is a turbine engine that drives an aircraft propeller. A turboprop consists of an intake, reduction gearbox, compressor, combustor, turbine, and a propelling nozzle. Air enters the intake and is compressed by the compressor. ...
Airborne Early Warning Airborne or Airborn may refer to: Arts, entertainment, and media Films * ''Airborne'' (1962 film), a 1962 American film directed by James Landis * ''Airborne'' (1993 film), a comedy–drama film * ''Airborne'' (1998 film), an action film sta ...
(AEW) aircraft, resembling the
United States Navy The United States Navy (USN) is the maritime service branch of the United States Armed Forces and one of the eight uniformed services of the United States. It is the largest and most powerful navy in the world, with the estimated tonnage ...
's E-2 Hawkeye, intended for use with the Soviet Navy's ''Ulyanovsk'' class
supercarrier An aircraft carrier is a warship that serves as a seagoing airbase, equipped with a full-length flight deck and facilities for carrying, arming, deploying, and recovering aircraft. Typically, it is the capital ship of a fleet, as it allows a n ...
s. Along with the aircraft carrier it would have flown from, the Yak-44 was cancelled after the demise of the
Soviet Union The Soviet Union,. officially the Union of Soviet Socialist Republics. (USSR),. was a List of former transcontinental countries#Since 1700, transcontinental country that spanned much of Eurasia from 1922 to 1991. A flagship communist state, ...
. A full-scale mockup with foldable wings was built.


Design and development

In the late 1970s, the Soviet Navy adopted a plan to build large aircraft carriers capable of operating conventional aircraft rather than the
VSTOL A vertical and/or short take-off and landing (V/STOL) aircraft is an airplane able to take-off or land vertically or on short runways. Vertical takeoff and landing (VTOL) aircraft are a subset of V/STOL craft that do not require runways at al ...
Yakovlev Yak-38 The Yakovlev Yak-38 (russian: Яковлев Як-38; NATO reporting name: "Forger") was the Soviet Naval Aviation's only operational VTOL strike fighter aircraft in addition to being its first operational carrier-based fixed-wing aircraft. It ...
s operated by the existing Kiev class aircraft carriers. These new carriers required a shipborne
airborne early warning Airborne or Airborn may refer to: Arts, entertainment, and media Films * ''Airborne'' (1962 film), a 1962 American film directed by James Landis * ''Airborne'' (1993 film), a comedy–drama film * ''Airborne'' (1998 film), an action film sta ...
(AEW) aircraft to be effective, and the Yakovlev
design bureau OKB is a transliteration of the Russian initials of "" – , meaning 'experiment and design bureau'. During the Soviet era, OKBs were closed institutions working on design and prototyping of advanced technology, usually for military application ...
was instructed to develop such an aircraft in 1979.Gardiner and Chumbley 1995, p. 372.Gordon, Komissarov and Komissarov 2005, p. 347. While the AEW would be the primary role for the aircraft, it was also planned to develop versions to serve in the
anti-submarine warfare Anti-submarine warfare (ASW, or in older form A/S) is a branch of underwater warfare that uses surface warships, aircraft, submarines, or other platforms, to find, track, and deter, damage, or destroy enemy submarines. Such operations are t ...
(ASW) and carrier on-board delivery (COD) roles.Gunston and Gordon 1997, p. 201. The basic layout and size of the final Yak-44E design was similar to that of the Grumman E-2C which operated in the same role from American aircraft carriers, being a twin-engined high-wing
monoplane A monoplane is a fixed-wing aircraft configuration with a single mainplane, in contrast to a biplane or other types of multiplanes, which have multiple planes. A monoplane has inherently the highest efficiency and lowest drag of any wing con ...
with a rotating
radar dome A radome (a portmanteau of radar and dome) is a structural, weatherproof enclosure that protects a radar antenna. The radome is constructed of material transparent to radio waves. Radomes protect the antenna from weather and conceal antenna e ...
( rotodome) above the aircraft's fuselage. The Yak-44 was designed to carry much more fuel, and was therefore far heavier. The engines were to be two Progress D-27
propfan A propfan, also called an open rotor engine, or unducted fan (as opposed to a ducted fan), is a type of aircraft engine related in concept to both the turboprop and turbofan, but distinct from both. The design is intended to offer the speed a ...
s rated at 14,000 ehp (10,290 kW) each, driving
contra-rotating propellers Aircraft equipped with contra-rotating propellers, also referred to as CRP, coaxial contra-rotating propellers, or high-speed propellers, apply the maximum power of usually a single piston or turboprop engine to drive a pair of coaxial propell ...
. The crew of five were to be accommodated in a pressurized fuselage, while the aircraft's rotodome, carrying a NPO Vega pulse-doppler radar could be retracted to reduce the aircraft's height when stowed below decks in the carrier's
hangar A hangar is a building or structure designed to hold aircraft or spacecraft. Hangars are built of metal, wood, or concrete. The word ''hangar'' comes from Middle French ''hanghart'' ("enclosure near a house"), of Germanic origin, from Frankish ...
. The aircraft's wings also folded upwards, while a
twin tail A twin tail is a specific type of vertical stabilizer arrangement found on the empennage of some aircraft. Two vertical stabilizers—often smaller on their own than a single conventional tail would be—are mounted at the outside of the aircra ...
was fitted.Gunston and Gordon 1997, pp. 201–202. The aircraft was stressed to allow catapult launching and
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landings, but was also capable of operating from the ski-jump ramps of the Project 1143.5 carriers (later to become known as the ''Admiral Kuznetsov'' class).Gordon, Komissarov and Komissarov 2005, p. 348. A detailed full-size mockup was completed in 1991, and approved with minor changes by the
Soviet Naval Aviation Soviet Naval Aviation (AV-MF, for ''Авиация военно-морского флота'' in Russian, or ''Aviatsiya voyenno-morskogo flota'', literally "aviation of the military maritime fleet") was the naval aviation arm of the Soviet Na ...
(A-VMF). The collapse of the Soviet Union in 1991 resulted in the program being delayed, with the catapult-equipped ''Ulyanovsk'' being cancelled and scrapped, and the second ''Admiral Kuznetsov'' class carrier, the ''Varyag'', being left incomplete. The Yak-44 program was abandoned by the Russian Navy in 1993.Gunston and Gordon 1997, p. 202.


Specifications (Yak-44E)


See also


References

;Notes ;Bibliography * Gardiner, Robert and Stephen Chumbley. ''Conway's All The World's Fighting Ships 1947–1995''. Annapolis, Maryland, USA: Naval Institute Press, 1995. . * Gordon, Yefim, Dmitry Komissarov and Sergey Komissarov. ''OKB Yakovlev: A History of the Design Bureau and its Aircraft''. Hinkley, UK: Midland Publishing, 2005. . * Gunston, Bill and Yefim Gordon. ''Yakovlev Aircraft since 1924''. London, UK: Putnam Aeronautical Books, 1997. . * Taylor, Michael. ''Brassey's World's Aircraft & Systems Directory 1996/97''. London: Brassey's, 1996. .


External links

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* {{Yakovlev aircraft Yak-044 Carrier-based aircraft AEW aircraft Abandoned military aircraft projects of the Soviet Union Propfan-powered aircraft