The Let L-610 is a prototype aircraft for the Czech civil aircraft manufacturer

Let Kunovice Aircraft Industries, a.s.,Contacts
" Let Kunovice. Retrieved on 19 May 2011. "Aircraft Industries, a.s. Na Záhonech 1177 ...

made in 1988–1997.

Design and development

In the late 1970s, after the success of the LET

L-410 The Let L-410 Turbolet is a twin-engine short-range transport aircraft, manufactured by the Czech aircraft manufacturer Let Kunovice (named Aircraft Industries since 2005), often used as an airliner. The aircraft is capable of landing on short a ...

twin engine turboprop, the Soviet airline

Aeroflot PJSC AeroflotRussian Airlines (russian: ПАО "Аэрофло́т — Росси́йские авиали́нии", ), commonly known as Aeroflot ( or ; russian: Аэрофлот, , ), is the flag carrier and the largest airline of Russia. The ...

requested that LET design a replacement for the

Antonov An-24 The Antonov An-24 (Russian/Ukrainian: Антонов Ан-24) ( NATO reporting name: Coke) is a 44-seat twin turboprop transport/passenger aircraft designed in 1957 in the Soviet Union by the Antonov Design Bureau and manufactured by Kyiv, Ir ...

aircraft.

LET Let or LET may refer to: Sports * Let serve, when the served object in certain racket sports hits the net and lands in the correct service court, such as; ** Let (badminton) ** Let (pickleball) ** Let (tennis) * Ladies European Tour, the lad ...

's L-610 was designed as a twin engined turboprop aircraft powered by the new Czech engine,

Walter M602 The Walter M602 is a turboprop aircraft engine produced by Walter Aircraft Engines of the Czech Republic, used on the Let L-610. Applications * Let L-610 Specification See also References

{{Walter aeroengines 1980s turboprop engine ...

, with a seating capacity of 40. Flight testing was delayed by engine development taking longer than airframe development. Eventually the 1,358 kW (1,822 shp)

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. ...

engines were finished and the aircraft first flew on 28 December 1988. No aircraft was ever delivered to any commercial customer, although one aircraft was shown in Aeroflot markings during the

Paris Air Show The Paris Air Show (french: Salon international de l'aéronautique et de l'espace de Paris-Le Bourget, Salon du Bourget) is a trade fair and air show held in odd years at Paris–Le Bourget Airport in north Paris, France. Organized by the Frenc ...

in the 1990s. One Let 610 M was delivered to the Czech Air Force, to support manufacturer's certification and test flights process. After the Soviet collapse

tried to

westernize Westernization (or Westernisation), also Europeanisation or occidentalization (from the '' Occident''), is a process whereby societies come under or adopt Western culture in areas such as industry, technology, science, education, politics, econ ...

the plane in order to widen the aircraft's sales appeal. The result was a new model, known as the L-610G, which had

General Electric CT7 A general officer is an officer of high rank in the armies, and in some nations' air forces, space forces, and marines or naval infantry. In some usages the term "general officer" refers to a rank above colonel."general, adj. and n.". OED On ...

engines,

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Pro Line II digital EFIS,

weather radar Weather radar, also called weather surveillance radar (WSR) and Doppler weather radar, is a type of radar used to locate precipitation, calculate its motion, and estimate its type (rain, snow, hail etc.). Modern weather radars are mostly pulse- ...

and

autopilot An autopilot is a system used to control the path of an aircraft, marine craft or spacecraft without requiring constant manual control by a human operator. Autopilots do not replace human operators. Instead, the autopilot assists the operator' ...

. The L-610G prototype flew its maiden flight on 18 December 1992; four years after the L-610M. During the time that the now-defunct Ayres Corp. owned LET, the aircraft was also known as the Ayres L-610, and for a time was marketed as the Ayres 7000. The customer for the Ayres 7000 was to have been City Connexion Airlines before bankruptcy problems sidelined the program. On 29 August 2019, the UGMC subsidiary, the Ural Works of Civil Aviation and the Russian regional Polar Airlines signed an agreement to supply ten L-610 aircraft from 2023 to 2025 as part of the regional aviation development program of the

Russian Federation Russia (, , ), or the Russian Federation, is a transcontinental country spanning Eastern Europe and Northern Asia. It is the largest country in the world, with its internationally recognised territory covering , and encompassing one-eig ...

. The signing took place at the international aerospace forum MAKS 2019 in

Moscow Moscow ( , US chiefly ; rus, links=no, Москва, r=Moskva, p=mɐskˈva, a=Москва.ogg) is the capital and largest city of Russia. The city stands on the Moskva River in Central Russia, with a population estimated at 13.0 million ...

Variants

;L-610M :Basic variant with

Walter M602 The Walter M602 is a turboprop aircraft engine produced by Walter Aircraft Engines of the Czech Republic, used on the Let L-610. Applications * Let L-610 Specification See also References

{{Walter aeroengines 1980s turboprop engine ...

engines. ;L-610G / Ayres 7000 :Variant with

General Electric XT7-9D The General Electric T700 and CT7 are a family of turboshaft and turboprop engines in the class. Design and development In 1967, General Electric began work on a new turboshaft engine demonstrator designated the "GE12" in response to US Army ...

engines. ;L-610 MPA :Proposed Anti-submarine warfare variant.

Specifications (L-610)

References

External links

airliners.net Aircraft Data
{{Let Kunovice aircraft Ayres aircraft 1980s Czechoslovakian airliners L-610 High-wing aircraft Abandoned civil aircraft projects Aircraft first flown in 1988 Twin-turboprop tractor aircraft