Aircraft L 410. Technical characteristics of L410 UVP-E20

The Russian Ural Mining and Metallurgical Company (UMMC) decided to become the sole owner of the production of a small local aircraft air lines(MVL) Let L-410, also known as “Turbolet”. To achieve this, UMMC is going to increase its own share in the stake in the Czech company Aircraft Industries from 51% to 100%, ITAR-TASS agency reports. The L-410 aircraft is considered by the Russian side as the main model for modernizing regional aviation fleets and restoring the network of local airlines. It is expected that leasing of new aircraft will be carried out with budget support. The heads of Russian regions are going to determine specific mechanisms for this support at a meeting in September 2013.

Currently, the main product of the Czech airline is the L-410UVP aircraft. This model is a short-haul aircraft with a short takeoff and landing distance for 19 passengers. The first modification of the Let L-410 aircraft took to the skies back in 1969. In the post-war years, the Czech “Turbolet” became the first foreign aircraft to fly on Soviet airlines. On the basis of this vehicle, a large number of different modifications of transport, military and special purpose. In particular, this aircraft is widely used in Russian military and civilian flight schools, where it serves to train future military transport and long-range aviation pilots.

After the transfer of 51% of the shares of the Czech enterprise into the hands of UMMC, the Czech aircraft manufacturer received additional orders for its main product - L-410 UVP-E20. In 2009, after a fairly long break, aircraft deliveries to Russian customers resumed - first to civilian companies, and later to the Russian Ministry of Defense. As of 2012, the Russian Air Force had 7 L-410 UVP-E20 aircraft in service, while the concluded contracts and option provide for increasing the fleet of these aircraft to 15 aircraft.

Today, Aircraft Industries supplies regions of Russia with a modernized version of the aircraft, which is equipped with H-80 turboprop engines, which are produced by a General Electric division in the Czech Republic. According to UMMC, the installation of these engines significantly improved the aircraft's operational characteristics, increasing, in particular, the flight range from 1,420 to 1,520 kilometers. Currently, the L-410 aircraft is listed in the parks Russian companies"KrasAero" and "Orenburg". The Buryat airline PANH and the government are ready to purchase several aircraft Khabarovsk Territory. Earlier, the Ministry of Transport and the Ministry of Industry and Trade of Russia stated that 9- and 19-seat aircraft are needed to develop the domestic air transportation market, but such modifications are not produced in Russia.

Let L-410 “Turbolet” is a Czechoslovakian, later Czech twin-engine universal aircraft intended for operation on local airlines. It is a twin-engine turboprop high-wing aircraft with a single-fin tail. Also known under the names: Let, Let L-410, L-410, Turbolet, Elka, Cheburashka. As of 2012, more than 400 aircraft of this type were in operation around the world.

The most common version of the aircraft was the L-410UVP modification; in this version, the takeoff and landing distance of the aircraft was reduced. The abbreviation UVP means “short takeoff and landing.” The aircraft of this modification first took to the skies back in 1976. Initially, the machine was equipped with a conventional set of Soviet-Czechoslovak-made aviation equipment. The model differed from its predecessors in the increased dimensions of the wing and vertical tail, an extended fuselage, the use of spoilers and more efficient engines.

The small passenger aircraft L-410 “Turbolet” was designed by the designers of the Let company in 1966-1967, work on the project was headed by Ladislav Smrček. It was assumed that this aircraft could be used in a fairly wide temperature range from +50 to -40 degrees Celsius. Czech specialists were guided by Soviet technical specifications and took into account in advance the difficult climatic conditions of operating the aircraft in the USSR, which was to become the main customer of the aircraft.

In total, until the end of 1978 in the USSR for the Ministry civil aviation 100 L-410M/MU aircraft were purchased. In the Soviet Union, "Turbolets" replaced the famous "corn trucks" of Antonov, which transported unpretentious Soviet passengers to air holes local air lines. It is worth noting that the pilots who were “transferred” from the An-2 to the L-410 perceived the newcomer in two ways. On the one hand, the Czech aircraft had many advantages. Firstly, it had 2 engines, it won 2 times in safety. The plane had a set of modern navigation and radio equipment, and passengers were provided with high level comfort... But, on the other hand, for civilian pilots air fleet The An-2 always remained the free “gasoline breadwinner” of their personal Zhiguli and Volga, while the Czech plane flew on kerosene. And the An-2 was a more unpretentious machine in operation. More precisely, the flight technical personnel treated the issues of operating the Soviet An-2 much more simply. In general, it was considered very prestigious to switch from the An-2 to the Czech L-410.

Currently, a version of the L-410 UVP-E20 aircraft is being produced in the Czech Republic, which can be equipped with analogue or digital avionics (customer's choice), a TCAS mid-air collision avoidance system and an autopilot. The L-410 UVP-E20 aircraft received the IAC AR certificate.

Flight characteristics of L-410 UPV-E20:

Dimensions: wingspan – 19.48 m, length – 14.49 m, height – 5.83 m.
Wing area – 34.86 sq. m.
The maximum take-off weight of the aircraft is 6,600 kg, empty weight is 4,050 kg.
Engine type – 2 HP GE H80-200, power – 2x800 hp.
Maximum speed – 395 km/h.
Practical flight range – 1500 km.
Practical ceiling – 8,000 m.
Crew – 2 people.
Commercial load – 19 passengers or 1800 kg. cargo

Information sources:
-http://www.newsru.com/finance/25jul2013/rul410plane.html
-http://www.airwar.ru/enc/craft/l410.html
-http://ru.wikipedia.org/wiki/Let_L-410_Turbolet

A universal aircraft for local airlines (ALL), which replaced the An-2. The first foreign-made aircraft to fly onto domestic air routes. Other names: L-410, Let, Let L-410, Turbolet, Cheburashka.

Description

Development of the aircraft began in 1966. The first prototype aircraft, equipped with the Pratt-Whitney Canada RT6A-27 (2 x 715 hp) theater, began flight tests on April 16, 1969. Regular operation of the L-410A aircraft at the end of 1971 was the first opened the Czechoslovak airline "Slov Air" from Bratislava, serving local airlines- by the beginning of 1974, it received 12 aircraft. A total of 31 aircraft were built. Five aircraft (production No. 720103-06 and No. 720201) L-410A with RT 6A-27 engines, built by the end of 1972 under the designation L-410AS, in next year were transferred to the USSR. The planes received Soviet registration numbers from USSR-67251 to USSR-67255. The first of them was brought to the airfield of the State Research Institute of Civil Aviation by Czech test pilot Frantisek Svinka. The people at the airport immediately called the handsome newcomer “Cheburashka.” In 1973, flight tests of the L-410M aircraft, equipped with Czech Walter M 601A theater engines, began. L-410M became the second serial modification of the Turbolet. In total, by the end of 1978, 100 L-410M/MU aircraft were received for the USSR Ministry of Civil Aviation.

In 1979, production began of an improved modification L-410UVP, which became the main production model. This aircraft differed from previous versions by its elongated fuselage, increased dimensions of the wing and vertical tail, the use of spoilers and the installation of a Walter M 601 V turboprop engine (2 x 730 hp). This aircraft passed the certification program in the USSR and was accepted into operation by Aeroflot. A further development was the L-410UVP-E variant with more powerful M 601 E theater engines. The first flight of this aircraft took place on December 30, 1984. It is distinguished by improved takeoff and landing characteristics and reduced noise levels in the cabin. In March 1986 it was certified in the USSR. A modification of the L-420 has been developed with more powerful M601 F theater engines (2 x 778 hp), increased take-off weight (6.8 tons) and improved flight characteristics (flight tests of the aircraft began in November 1993).

Since 1969, 1104 L-410 of various modifications were built, 862 of them were in service. Soviet Union. By the beginning of 1992, there were about 750 L-410 aircraft left in the USSR.

Modifications

L-410UVP Short-haul passenger aircraft, a modification of the L-410 aircraft, in which the takeoff and landing distance is reduced. The abbreviation "UVP" means "short take-off and landing". The first launch took place in 1976. Produced by the Czechoslovak company "Let". The aircraft is equipped with a conventional avionics complex of joint Soviet-Czechoslovak production. This aircraft differs from previous versions by an elongated fuselage, increased wing and vertical tail dimensions, the use of spoilers and a more powerful engine.

Specifications

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L-410 UVP-E20 is a universal twin-engine aircraft of Czech production for local airlines, accommodating 19 passengers. Designed for operation on unprepared dirt, grass, snow areas, as well as on airfields with short runways (about 600-700 meters), which, in fact, makes it an “off-road” aircraft.

The first flight of the L-410 was made on April 16, 1969. The main customer of the aircraft was the Soviet Union. In addition, the L-410 was also supplied to Bulgaria, Brazil, Hungary, East Germany, Libya, and Poland. Despite the fact that the plant is located in the Czech Republic, it considers itself part of the Russian aviation industry: the foundations for this were laid during its development and during its long-term operation. As of 2012, more than 400 L-410 aircraft are in operation around the world.

Production site of Aircraft Industries in Kunovice, Czech Republic. The Aircraft Industries plant, better known under the Let Kunovice brand, is located 300 km from Prague. The plant employs 920 people.

The company produces aircraft through a full production cycle - it has its own lines for surface treatment of materials, paint and varnish production, a machine shop, assembly shops, a design bureau and an airport.

L-410 fuselage parts production workshop. The enterprise is expanding and modernizing production - light green equipment is intended for the production of a new generation of the L-410 NG (New Generation) aircraft.
The plant's production capacity is 16-18 new aircraft per year. About 80% of aircraft are supplied to Russia. Over the past four years, 35 aircraft have been delivered to Russia.

Production of parts on a CNC milling center from the French company Creneau:

Cleaning parts before molding:

Punching Press:

Manufacturing of the wing spar on a 5-axis CNC milling center. Russian-made duralumin is used in production. The total share of components from Russia in the L-410 aircraft is about 15% - this is a legacy of the fact that the aircraft was developed by order of the USSR and with the participation of Soviet designers.

Assembly of the front wing:

Checking the quality of riveting on an airplane wing:

One L-410 aircraft uses about 185,000 rivets of different types and sizes:

Riveting work in the middle part of the fuselage:

Installation of floor panels:

Production of the rear fuselage:

Production of air intake parts for the CASA CN-235 aircraft within the framework of industrial cooperation.
The plant also cooperates with Boeing for Boeing aircraft 787.

Assembly conveyor for L-410 UVP-E20 aircraft. Located in one of the newest buildings of the plant, originally designed for the production of L-610. In one half of the building there are two production lines for new L-410 aircraft, in the second half there is a service workshop for aircraft coming out of service:

There are about 10 aircraft in the assembly shop at the same time. The fuselage, wing, end tanks and tail unit come to the beginning of the line from the paint shop. At the end of the line are aircraft undergoing flight tests and preparing for delivery to customers. Over the entire history of its existence, the plant has produced over 1,150 aircraft of the L-410 family. More than 850 of them were delivered to operators in the USSR.

Finishing process luggage compartment aircraft in the nose after completing the installation of electrical equipment:

Emergency exit door assembly:

The nose of the aircraft with serial number 2915. The weather radar antenna is visible. Bow luggage compartment doors open:

Installation of avionics in the cockpit. Avionics traditionally include devices from Russian manufacturers:

Installation of electrical equipment in the aircraft cabin:

Installation of electrical wiring harnesses:

Five-blade AV-725 propellers (Avia Propeller) together with a GE H80-200 engine make up the new power plant for the L-410 UVP-E20 aircraft. It has been installed on all new aircraft since January 2013 and is certified by EASA and the Russian AR MAK.

Young people in production are not uncommon, also due to the presence of its own vocational technical school on the territory of the plant. The average age of the company's employees is 44 years:

Work on the GE H-80 engine, carried out by a company representative from Prague:

The final installation stage takes about 5 months - this is the most expensive part of production, as within its framework, engines, landing gear and all avionics are installed on the aircraft, where each individual unit can cost 100-250 thousand euros.

The total duration of the aircraft production cycle from the production of the first fuselage components to the end of flight testing takes just under a year.

Cockpit of the L-410 UVP-E20 aircraft. The aircraft is fully equipped for instrument flight and has an advanced Ground Proximity Warning System (GPWS) and TCAS II. The L 410 is designed in the metric system (rather than inches), which is an exception in Western aviation:

This type of aircraft has been used for many years as a graduation aircraft for training pilots at the Sasovo Flight School of Civil Aviation (Ryazan region).

Let L 410 “Turbolet” is a universal nineteen-seat twin-engine aircraft for regional airlines. The aircraft with shortened takeoff and landing capabilities (UVP in the name L410 UVPE20 means the Russian abbreviation for “Short Takeoff and Landing”) was developed by the Let design bureau of the plant. Intended for use on grass, dirt, snow unprepared sites, as well as at airports with short runways. It is still produced at the Czech Let plant. Other names: Turbolet, Let, L410, Let L410, colloquial - Elka, Cheburashka.

History of production and creation

Design of the aircraft began in 1966. For the first time, an experimental aircraft equipped with a Pratt&Whitney RT6A27 (2x715 hp) theater engine passed flight tests on 04/16/1969. Regular use of L410A aircraft was first opened by the Czechoslovakian company at the end of 1971. aviation company Slov Air (Bratislava), which served local aviation lines, acquired twelve aircraft by the beginning of 1974. A total of 31 aircraft were built. 5 aircraft (number 72010306 and number 720201) L410A with RT6A27 engines, built under the name L410AS by 1972, were transferred to the Soviet Union in 1973. The planes received Soviet registration numbers USSR67251 - USSR67255. The first of them was brought to the airfield by Frantisek Svinka, a Czech test pilot. The people at the airport immediately called the cute plane “Cheburashka”.

In 1973, flight tests of the L410M aircraft, equipped with Czech Walter M601A theater engines, began. The L410M became the second production variation of the Turbolet. In total, by the end of 1978, one hundred L410M/MU aircraft were delivered to the Ministry of Civil Aviation of the Soviet Union.

In 1979, production of an improved modification L410UVP began, which became the main production model. This aircraft differed from previous versions by a longer fuselage, larger dimensions of the vertical tail and wing, the use of spoilers and a Walter M601B theater engine (2x730 hp). This aircraft passed the certification program in the USSR and was taken into use by Aeroflot. A further development was the L410UVPE version with more powerful TVDM601E. The first flight of such an aircraft took place on December 30, 1984. It has improved takeoff and landing performance and reduced noise levels in the cabin. In 1986 certified in the Soviet Union. A modification of the L420 has been developed with powerful TVDM601 °F (2x778 hp), a higher take-off weight (6.8 tons) and improved flight properties (flight tests of the aircraft started in 1993).

By the beginning of 1992, 750 L410 aircraft remained in the Soviet Union.

Used in military and civilian flight schools for preliminary training of future military transport and long-range aviation pilots.

After the collapse of the Soviet Union and Comecon in the 1990s, the demand for L410 aircraft fell, and the rate of their production decreased more than tenfold (from 50 aircraft per year to two to five). The situation has improved significantly since 2008, when 51 percent of the shares of Let Kunovice (Aircraft Industries) were bought by the Russian company Ural Mining and Metallurgical Company. The production rate in 2010-2012 was eight to ten aircraft per year. They plan to increase the annual production rate to 16-18 aircraft.

In 2013, the L410 UVPE20 modification was produced, equipped with analog or digital avionics (to choose from), TCAS system, and autopilot. L410 UVPE20 has an ARMAK type certificate.

OJSC Ural Mining and Metallurgical Company acquired 49 percent of the shares of LetKunovice (Aircraft Industries) in September 2013. UMMC thus became the sole owner of Aircraft Indistries, bringing its shareholding to 100 percent.

The aerodynamic design is a turboprop twin-engine high-wing aircraft with a single-fin tail.

Specifications of L410 UVP-E20:

Length: 14.487m.

Height: 5.83m.

Wingspan: 19.478m.

Wing area: 34.86 sq.m.

Flight range: 1500km.

Maximum speed: 395 km/h.

Ceiling: 8000m.

Number of passenger seats: 19 seats.

Crew: 2 people.

Motor type: 2×TVD GEH80200

Takeoff power: 2×800hp

Propeller type: 2×AVIA AV725.

Number of blades on the propeller: 5.

Propeller diameter: 2.3m.

Empty weight: 4050 kg.

Maximum take-off weight: 6600 kg.

Fuel mass in main tanks: 1000 kg.

Weight of fuel in end tanks: 300 kg.

The first L-410 aircraft was created in the 60s of the last century by Czechoslovak manufacturers commissioned by the USSR. It was the Soviet Union that was the main customer of this type of air transport, however, companies from other countries were also interested in this model:

• Poland and Lithuania;
• Bulgaria and Hungary;
• Brazil.

After all, the advantages of the aircraft could be appreciated even with the naked eye:

1. Lightweight and maneuverable.
2. Ability to land on normal ground.
3. Sufficient load capacity and comfort.

It had exactly these characteristics new airliner. Photos of the interior of the L-410 aircraft can be viewed on our Internet resource.

Airplane L-410

The first model of the L-410 aircraft, as previously noted, was created in the late 60s. The main purpose of the new air transport is to carry out short flights. The cabin capacity had to be such that it could accommodate up to 20 people, and the plane had to serve airlines with a length of up to 650 km.

The Czechoslovakian manufacturer successfully completed the task assigned to it; the new model of the aircraft turned out to be not only reliable and unpretentious, but also multi-purpose, which, in fact, was what the customer required.

Having received a new type of air transport at their disposal, the airliner began to be used for:

• passenger and freight transportation;
• for transportation of correspondence;
• for transporting patients;
• for carrying out various scientific research.

The new model of air transport was valued not only for its maneuverability, but also for its ability to take off and land in places where there was no runway, which was extremely important when transporting patients or conducting scientific research.

The first model, called L-410, took to the skies in the late 60s, however, as the manufacturers noticed, the air transport engine was of insufficient power. Therefore, it was decided to make several changes to the production process, in particular they affected the engine. Thus, by the mid-70s, modernized L-410s with a more powerful engine were put into production, 5 of which were transferred to the Soviet Union.

The main customer was satisfied with his order and continued cooperation with the manufacturer, and the first air Transport bought by the most famous company at that time, Aeroflot. You can see photos of the Let L-410 aircraft on the website. By the early 80s, the Soviet Union had acquired more than 100 models of L-410 aircraft, and had no intention of stopping cooperation.

The interior of the L-410 aircraft

Variety of L-410 aircraft models

The Czechoslovakian manufacturer did not stop on its achievements, constantly creating more and more advanced aircraft models. Production of the following models was launched:

• L 410 UVP;
• L 410 A;
• L 410 AS;
• L 410 M.

The L 410 UVP model was also developed at the request of a Soviet customer; the aircraft differed from its analogues in its increased wing length and fuselage, as well as its vertical tail structure. This modernization allowed the airliner to take off and land at an even shorter distance, which was the main requirement of the customer.

The demand for air transport from the Czechoslovak manufacturer, of course, subsided after the collapse of the USSR, but the Ural Mining and Metallurgical Company, which 8 years ago bought out more than 50% of the shares from the first manufacturer, helped save the situation. Currently, the partners are planning to increase the production of aircraft, improve the production process, and purchase new modern equipment.

Characteristics of air transport

Specifications aircraft L-410:

• up to 14.42 m – length of air transport;
• up to 20 m – aircraft wingspan;
• 35 m 2 – occupies the wing area;
• 5.83 m – aircraft height;
• 4 tons – weight of empty transport;
• up to 6.6 tons – maximum weight allowed during takeoff;
• 750 hp on 2 – engine power;
• 335 km/h – maximum speed;
• up to 1500 km is the flight range of air transport.

The capacity of the fuel tanks is 1680 liters, the maximum fuel supply is 1300 kg. If the plane is maximally loaded, it will be able to cover a distance of 1000 km, and for the maximum takeoff it will need only 850 meters.

There are two places for the crew, passenger seats There are 19 pieces in the cabin, the width is 1.9 meters. A photo of the L-410 aircraft will help you get acquainted with the aircraft's interior in more detail. vehicle.

Airplane L-410 in the sky

What else do you need to know?

To summarize, we can say that the L-410 airliner is a reliable, unpretentious and maneuverable type of air vehicle, which has a reduced distance for both takeoff and landing. It is convenient to operate vehicles in conditions where it is difficult to take off and land vehicles. Thanks to the sufficient safety margin that was invested by the manufacturers, the aircraft can easily land and take off from unprepared and even unpaved sites. The spacious cabin, equipped with large windows, has good sound insulation, the seats for passengers are located in the 1+2.

This model is capable of covering about 1,300 km while carrying 19 passengers., and high-quality landing gear, manufactured using a special method, allows the aircraft to land even on wet grassy ground. The liner performed well when operating in harsh conditions climatic conditions, excellent traction characteristics of the engine allow the aircraft to be used at high temperature indicators, and at very low atmospheric pressure.

Excellent safety parameters allow you to safely transport passengers and deliver cargo intact and without damage. Throughout the history of its existence, the airliner has been constantly modernized by the manufacturer, and currently production of aircraft continues.

By joint efforts, manufacturers plan to create more advanced models in the coming years, the engines of which will have increased power, the luggage compartment area will increase, and the cockpit will be equipped with the latest equipment, including avionics.

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