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Let L-410 Turbolet

January 01, 1970

The Let L-410 Turbolet is a twin-engine short-range transport aircraft designed and produced by the Czech aircraft manufacturer Let Kunovice (named Aircraft Industries since 2005).

L-410 Turbolet
Role Regional airliner, cargo aircraft
Manufacturer Let Kunovice
First flight 16 April 1969[1]
Introduction 1970
Status In service
Produced 1971–present
Number built 1,200[2][3]
Variants Aircraft Industries L 410 NG

It was developed as the L-400 during the 1960s in response to an Aeroflot requirement for an Antonov An-2 replacement and performed its maiden flight on 16 April 1969. Since 1970, the L-410 has been in operation with a variety of customers, having been typically used as an airliner and a utility transport aircraft, numerous military air services have also adopted the type. The aircraft is capable of landing on short and unpaved runways and operating under extreme conditions from −50 to +50 °C (−58 to 122 °F).

Various models of the L-410 have been produced over the type’s production run of over fifty years; while initial aircraft were powered by imported Pratt & Whitney Canada PT6-27 engines, most models have been powered by domestically built Walter M601. Both the size and capabilities of the aircraft differ across the family; during the 1990s, the company pivoted towards the Western market and pursued type certification by the Federal Aviation Administration (FAA) and European Union Aviation Safety Agency (EASA) of its later models. Perhaps the most substantial variant to date is the L 410 NG, which has double the range of the original model, as well as other improvements such as a glass cockpit. By 2016, in excess of 1,200 L-410s had been constructed while in excess of 350 aircraft were reportedly in service with operators across more than 50 countries.[2]

Development edit

Development of the L-410 was started during the mid-1960s by the Czechoslovak aircraft manufacturer Let Kunovice.[4] The company had decided to launch the project with awareness that the Soviet airline Aeroflot was actively seeking a turboprop-powered replacement for the Antonov An-2 biplane, which was viewed as a potentially lucrative opportunity for a suitable aircraft.[5] Preliminary studies performed by Let centred around a design referred to as the L-400. In addition to its use as an airliner, equal attention was paid towards its suitability for the role of a cargo aircraft.[1]

Following considerable revision of the original concept, a new version was produced, which the company called the L-410 Turbolet. On 16 April 1969, the first prototype, designated XL-410, performed its maiden flight, piloted by Vladimir Vik and Frantisek Svinka.[1][5] The prototype was not only used for test flights but also to promote the aircraft to potential customers, appearing at various air shows, including the 1969 Paris Air Show.[5] As a consequence of the delayed development of a suitable Czech engine, the Walter M601, both the prototype and the initial production model were powered by Pratt & Whitney Canada PT6-27 engines and Hartzell HC-B-3TN-3D three-blade propellers, both of which were imported from North America.[6]

Once development of the M601 engine had been completed, it was quickly adopted and coupled with Avia-built V 508 three-blade propellers to replace the PT6 engine on the second production model, designated L-410M.[6] A further version, the L-410 UVP, was specifically developed for Aeroflot, who had expressed dissatisfaction in the performance of the initial model.[5] In comparison with earlier models, the revised aircraft provided improved performance in take-off and landing, which are largely due to its increased wing and tail area, making it a Short take-off/landing (STOL) aircraft. As a consequence of its increased empty weight and a shift in the center of gravity, the L-410 UVP has a decreased seating capacity of 15 passengers.[7]

The most common variant of the type, the L-410 UVP-E, possesses an increased maximum take-off weight of 6,400 kg (14,100 lb), is equipped with more powerful M601E engines that drive new five-blade propellers designated V 510, and is provisioned for equipping wing tip tanks that increase the aircraft's overall fuel capacity.[6] The L-410 UVP-E performed its first flight in 1984 while quantity production of the model commenced during 1986. By 1990, in excess of 1,000 L-410s had been constructed.[8]

The L-410 UVP-E9 and L-410 UVP-E20 are versions which vary from each other only minorly, these were produced to satisfy the differing regulations of various certifying authorities of different regions. Later production L-420s have been outfitted with a newer Walter engine variant, the M601F. Production of the L-410 UVP-E20 was underway in the early twenty-first century, being powered by the latest derivative of the M601 engine, designated GE H80-200, and outfitted new Avia Propeller AV-725 five blade propellers.[9]

Following the end of the Cold War, company officials opted to pursue opportunities for the aircraft in Western markets. On 11 March 1998, the L-410 first received approval for its use in North America by the Federal Aviation Administration (FAA); the improved L-410 UVP-E20 was similarly certified on 30 June 2015.[10][3] On 4 February 2005, this same model of the L-410 had been certified by the European Union Aviation Safety Agency (EASA) while all other production variants followed on 28 March 2007.[11] In the mid-2010s, a typical production rate of 15 L-410 UVPs were being completed each year.[12]

On 3 September 2013, the Russian company UGMK (Iskander Machmudov) became the majority owner of LET Kunovice Aircraft Industries. At the time of the acquisition, it was announced that a new production line for the L-410 would be established within Russia within one year.[13] As part of this strategy, the company developed the most substantial variant of the aircraft to date, the L 410 NG, which can be visually distinguished from its predecessors by its considerably longer nose as well its enlarged rear area, the latter change being made to accommodate the carriage of double the luggage. It is also furnished a new wing design and has been fitted with a modernised Garmin G3000 glass cockpit. The propulsion system has also been redesigned, featuring more powerful and quieter GE H85 engines that drive Avia-725 propellers. The L 410 NG can fly for double the range of the original model of the aircraft.[14][5]

On 7 July 2015, the company displayed the first L 410 NG, which had been manufactured in Russia;[15] it performed its first flight on 29 July 2015.[14][16] Power grew up to 850 shp (630 kW) instead of the previous 800 shp (600 kW) GE H80-200, speed increased to 223 kn (413 km/h). Maximum take-off weight rose 500 kg (1,100 lb) to 7,000 kg (15,000 lb) and range to 1,350 nmi (2,500 km) up from the original 820 nmi (1,520 km). Fuel capacity rose from 1,300 to 2,450 kg (2,870 to 5,400 lb) and endurance from five hours to nine hours. FAA, EASA and Russian certification took place in late 2017.[17] Serial production of the L 410 NG commenced in March 2018.[18]

Due to the Russian invasion of Ukraine, which led to sanctions against the Russian Federation by the European Union and other Western countries, Aircraft Industries lost its main customer for its passenger aircraft – Russia. Due to the subsequent financial difficulties, the Kunovice based aircraft factory was acquired by the OMNIPOL Group in 2022.[19]

Design edit

 
Head-on view of a L-410 landing upon snow

The Let L-410 Turbolet is an unpressurized all-metal high-wing commuter aircraft. It is characterised by its relatively low maintenance and operating costs, as well as its adaptable design, which includes special interchangeable configurations.[20] All models are equipped with a retractable undercarriage. The L-410 UVP-E features two hydraulic circuits, one being the primary and the other intended for emergencies; the main electrical system operates with 28V DC. The de-icing system is leading edge pneumatic deicers and electrical heating of propellers, cockpit windshields and pitot-static system heads. The maximum take-off weight of the L-410 UVP-E is 6400 kg with the possibility of an increase to 6,600 kg (14,600 lb) for the E9 and E20 variants, possessing a maximum seating capacity of between 17 and 19 passengers. The L-410 UVP-E is equipped with Avia V 510 five-blade propellers.

The L 410 UVP-E20 is certified on the basis of FAR 23 either Amendment 34 or Amendment 41. It is certified by the European Union, the Russian Federation, the United States, Brazil, Argentina, Chile, Peru, Venezuela, Cuba, India, Nepal, Philippines, Korea, Indonesia, Republic of South Africa, Algeria, Australia, Taiwan, Turkey, and many other countries accepting some of the previous certificates.[21] The aircraft has also been approved for operation in a number of other countries, such as Kenya, Tanzania, Uganda, Tunisia, Colombia, Venezuela, South Korea and others. The airplane is certified for IFR operation, CAT I ILS approaches, and flights in icing conditions.

Variants edit

 
Cockpit of a L-410UVP-E
 
A L-410UVP-E20 taxiing
  • L-410: Prototype, three units built.
  • L-410A: First series with Pratt & Whitney PT6A-27 turbo-prop engines. Twelve built.
    • L-410AB: Version with four-bladed propellers.
    • L-410AF: Aerial photo version supplied to Hungary.
    • L-410AG: With modified equipment. Never built.
    • L-410AS: Test aircraft, supplied to the USSR. Five airplanes built
  • L-410FG: Aerial photography version based on L-410UVP
  • L-410M: Second series with Walter M601A engines.
    • L-410AM: Version with improved M601Bs, also known as L-410MA or L-410MU.
  • L-410 UVP: (Ukorochennaya vzlot-posadka, "short take-off and landing") Third series, fundamentally modified. The principal changes are a trunk, an extended wingspan by 0.80 m (2.6 ft), M601Bs, a higher horizontal stabilizer. The UVP variants possesses STOL characteristics.
    • L-410 UVP-S: Salon variant of the UVP with upward hinged entrance hatch.
    • L-410 UVP-E: Re-equipped with M601Es, five-bladed Avia V510 propellers, additional fuel tanks at the wing ends.
    • L-410T: Transport variant of the UVP with larger loading hatch (1.25 by 1.46 metres or 4.1 by 4.8 feet), can transport 6 stretchers as a medical airplane with a medic, or 12 parachutists. It can also carry 1,000 kg (2,200 lb) of cargo containers.
  • L-420: upgraded L-410 UVP-E - new M601Fs, certified variant of the L-410 UVP-E20
  • L 410 NG: Substantially redesigned and expanded version, powered by new GE H85 engines and a glass cockpit. Capable carrying twice as much cargo as well as roughly double the endurance of the original model.

Operators edit

 
The L-410 has been a popular aircraft for skydivers
Main article: List of Let L-410 Turbolet operators

Large numbers of L-410s were delivered to the Soviet Union; by 1985, 500 aircraft had reportedly been obtained by various operators within the USSR alone.[22] Accordingly, the type has been heavily operated by various ex-Soviet states, in particular Russia. Furthermore, numerous L-410s have been sold to airlines across Asia, Africa, Central America, and South America. Forty aircraft are in use throughout Europe for commercial operations, including skydiving.

Civilian edit

In July 2015, 178 Let L-410 were in airline service: 73 in Africa, 58 in Europe, 41 in Americas and 6 in Asia Pacific and the Middle East; its airline operators with four or more aircraft were:[23]

Accidents and incidents edit

Main article: List of accidents and incidents involving the Let L-410 Turbolet

According to statistics, the L-410 Turbolet can be considered a safe aircraft because it has had 118 accidents during its development out of a total of 1,200 aircraft produced and exported.[24][25] This popular aircraft went through a number of improvements and modernization and the latest types, the L 410 UVP-E20 and L 420 are EASA and FAA certified respectively.[7] While only a few of these accidents were fatal, some say the safety record of the aircraft is influenced more by operational practices than its design. Some customers and regulators have chosen certain practices that impact the overall safety performance.[26][27]

Specifications (L-410 UVP-E20) edit

 
View of an overflying L-410
 
The cabin of a L-410 in a typical commuter configuration
 
Walter M601 engine upon the wing of a L-410

Data from LET[2]

General characteristics

  • Crew: 2
  • Capacity: 19 passengers / 1,800 kg (3,968 lb) payload
  • Length: 14.42 m (47 ft 4 in)
  • Wingspan: 19.98 m (65 ft 7 in)
  • Height: 5.97 m (19 ft 7 in)
  • Wing area: 34.86 m2 (375.2 sq ft)
  • Aspect ratio: 11.45
  • Airfoil: root: NACA 63A418; tip: NACA 63A412[28]
  • Empty weight: 4,200 kg (9,259 lb)
  • Max takeoff weight: 6,600 kg (14,551 lb)
  • Fuel capacity: 1,300 kg (2,866 lb)
  • Powerplant: 2 × General Electric H80-200 turboprop engines, 597 kW (801 hp) each
  • Propellers: 5-bladed Avia AV 725, 2.3 m (7 ft 7 in) diameter

Performance

  • Cruise speed: 405 km/h (252 mph, 219 kn) max cruise
  • Range: 1,500 km (930 mi, 810 nmi) 1,800 kg (3,968 lb) payload, ISA, FL140, 45 min reserve
  • Endurance: Five hours and six minutes
  • Service ceiling: 8,382 m (27,500 ft)
  • Rate of climb: 8.5 m/s (1,670 ft/min)
  • Fuel consumption: 240 kg/h (529 lb/h)
  • Take-off run: 510 m (1,670 ft) (ISA, SL, MTOW)
  • Landing run: 500 m (1,600 ft) (ISA, SL, MTOW)

See also edit

Related development

Aircraft of comparable role, configuration, and era

References edit

Citations edit

  1. ^ a b c Jane’s 1980, p. 725.
  2. ^ a b c (PDF), LET, 2016, archived from the original (PDF) on 23 April 2019
  3. ^ a b Polek, Gregory (15 July 2015). "Updated L-410 Turboprop Rolls Out in Czech Republic". AIN Online.
  4. ^ Stoffels, Felix (11 September 2019). "The L-610 shall rise from the dead". Retrieved 26 March 2024.
  5. ^ a b c d e Cross, Lee (16 April 2023). "4/16/1969: Maiden Flight of the Let L-410". airwaysmag.com.
  6. ^ a b c Cecrdle 2023, p. 267.
  7. ^ a b "L 410 / L 420 Short-Range Aircraft". Aerospace Technology. 7 November 2017. Retrieved 26 March 2024.
  8. ^ Kingsley-Jones, Max (14 July 1999). "Ageing airliner census 1999". flightglobal.com.
  9. ^ Cecrdle 2023, pp. 267-268.
  10. ^ Type Certificate data sheet No. A42CE (PDF), Federal Aviation Administration, 24 June 2016
  11. ^ (PDF), European Union Aviation Safety Agency, 14 August 2017, archived from the original (PDF) on 18 August 2017
  12. ^ Steenhuis and Eriksson 2015, p. 327.
  13. ^ "Новости NEWSru.com :: Чешский самолет L 410 окончательно станет российским". newsru.com. 25 July 2013. Retrieved 7 March 2016.
  14. ^ a b "Let L-410NG". Airliner World: 19. October 2015.
  15. ^ "ВЗГЛЯД / УГМК представила новый российский самолет L-410 NG". vz.ru. Retrieved 7 March 2016.
  16. ^ "Czech Mates: Once Bound for Siberia, this Airborne Duo Keeps Climbing Higher". General Electric. 29 July 2015.
  17. ^ "ILA: Aircraft Industries targets 2016 sales for new L 410 turboprop". Flight International. 31 May 2016.
  18. ^ E. Howard, Courtney (8 March 2018). "Aircraft Industries launches New Generation aircraft". Retrieved 25 March 2024.
  19. ^ "About Us - Omnipol". www.omnipol.cz. Retrieved 2023-11-16.
  20. ^ "L 410". let.cz. Retrieved 6 May 2023.
  21. ^ . LET. Archived from the original on 18 August 2017. Retrieved 17 August 2017.
  22. ^ Indian Trade Journal. Department of Commercial Intelligence and Statistics. 1985.
  23. ^ "World Airliner Census" (PDF). Flight Global. August 2015.
  24. ^ Ranter, Harro. "Aviation Safety Network > ASN Aviation Safety Database > Aircraft type index > Let L 410 > Let L-410 Statistics". aviation-safety.net.
  25. ^ Smith, Oliver (19 June 2013). "'Least safe' aircraft models revealed". The Telegraph.
  26. ^ Smith, Christine Forbes (26 June 2013). "Design of aircraft is rarely a crash factor".
  27. ^ Kaminski-Morrow, David (19 February 2020). "Eager first officers pose risk at difficult Nepalese airports". flightglobal.com.
  28. ^ Lednicer, David. "The Incomplete Guide to Airfoil Usage". m-selig.ae.illinois.edu. Retrieved 16 April 2019.

Bibliography edit

  • Michael John Haddrick Taylor, ed. (1980). Jane's Encyclopedia of Aviation: Volume 4. Grolier Educational Corporation.
  • Cecrdle, Jiri (2023). Whirl Flutter of Turboprop Aircraft Structures. Elsevier Science. ISBN 9780323955560.
  • Harm-Jan Steenhuis; Sören Eriksson, eds. (2015). The Global Commercial Aviation Industry. Taylor & Francis. ISBN 9781136672392.

External links edit

 
Wikimedia Commons has media related to Let L-410.
  • Official website
  • George, Fred (17 June 2013). "Pilot Report: L410 UVP Turbolet". Aviation Week Network.

January 01, 1970
turbolet, twin, engine, short, range, transport, aircraft, designed, produced, czech, aircraft, manufacturer, kunovice, named, aircraft, industries, since, 2005, turbolet, role, regional, airliner, cargo, aircraft, manufacturer, kunovice, first, flight, april,. The Let L 410 Turbolet is a twin engine short range transport aircraft designed and produced by the Czech aircraft manufacturer Let Kunovice named Aircraft Industries since 2005 L 410 Turbolet Role Regional airliner cargo aircraft Manufacturer Let Kunovice First flight 16 April 1969 1 Introduction 1970 Status In service Produced 1971 present Number built 1 200 2 3 Variants Aircraft Industries L 410 NG It was developed as the L 400 during the 1960s in response to an Aeroflot requirement for an Antonov An 2 replacement and performed its maiden flight on 16 April 1969 Since 1970 the L 410 has been in operation with a variety of customers having been typically used as an airliner and a utility transport aircraft numerous military air services have also adopted the type The aircraft is capable of landing on short and unpaved runways and operating under extreme conditions from 50 to 50 C 58 to 122 F Various models of the L 410 have been produced over the type s production run of over fifty years while initial aircraft were powered by imported Pratt amp Whitney Canada PT6 27 engines most models have been powered by domestically built Walter M601 Both the size and capabilities of the aircraft differ across the family during the 1990s the company pivoted towards the Western market and pursued type certification by the Federal Aviation Administration FAA and European Union Aviation Safety Agency EASA of its later models Perhaps the most substantial variant to date is the L 410 NG which has double the range of the original model as well as other improvements such as a glass cockpit By 2016 in excess of 1 200 L 410s had been constructed while in excess of 350 aircraft were reportedly in service with operators across more than 50 countries 2 Contents 1 Development 2 Design 3 Variants 4 Operators 4 1 Civilian 5 Accidents and incidents 6 Specifications L 410 UVP E20 7 See also 8 References 8 1 Citations 8 2 Bibliography 9 External linksDevelopment editDevelopment of the L 410 was started during the mid 1960s by the Czechoslovak aircraft manufacturer Let Kunovice 4 The company had decided to launch the project with awareness that the Soviet airline Aeroflot was actively seeking a turboprop powered replacement for the Antonov An 2 biplane which was viewed as a potentially lucrative opportunity for a suitable aircraft 5 Preliminary studies performed by Let centred around a design referred to as the L 400 In addition to its use as an airliner equal attention was paid towards its suitability for the role of a cargo aircraft 1 Following considerable revision of the original concept a new version was produced which the company called the L 410 Turbolet On 16 April 1969 the first prototype designated XL 410 performed its maiden flight piloted by Vladimir Vik and Frantisek Svinka 1 5 The prototype was not only used for test flights but also to promote the aircraft to potential customers appearing at various air shows including the 1969 Paris Air Show 5 As a consequence of the delayed development of a suitable Czech engine the Walter M601 both the prototype and the initial production model were powered by Pratt amp Whitney Canada PT6 27 engines and Hartzell HC B 3TN 3D three blade propellers both of which were imported from North America 6 Once development of the M601 engine had been completed it was quickly adopted and coupled with Avia built V 508 three blade propellers to replace the PT6 engine on the second production model designated L 410M 6 A further version the L 410 UVP was specifically developed for Aeroflot who had expressed dissatisfaction in the performance of the initial model 5 In comparison with earlier models the revised aircraft provided improved performance in take off and landing which are largely due to its increased wing and tail area making it a Short take off landing STOL aircraft As a consequence of its increased empty weight and a shift in the center of gravity the L 410 UVP has a decreased seating capacity of 15 passengers 7 The most common variant of the type the L 410 UVP E possesses an increased maximum take off weight of 6 400 kg 14 100 lb is equipped with more powerful M601E engines that drive new five blade propellers designated V 510 and is provisioned for equipping wing tip tanks that increase the aircraft s overall fuel capacity 6 The L 410 UVP E performed its first flight in 1984 while quantity production of the model commenced during 1986 By 1990 in excess of 1 000 L 410s had been constructed 8 The L 410 UVP E9 and L 410 UVP E20 are versions which vary from each other only minorly these were produced to satisfy the differing regulations of various certifying authorities of different regions Later production L 420s have been outfitted with a newer Walter engine variant the M601F Production of the L 410 UVP E20 was underway in the early twenty first century being powered by the latest derivative of the M601 engine designated GE H80 200 and outfitted new Avia Propeller AV 725 five blade propellers 9 Following the end of the Cold War company officials opted to pursue opportunities for the aircraft in Western markets On 11 March 1998 the L 410 first received approval for its use in North America by the Federal Aviation Administration FAA the improved L 410 UVP E20 was similarly certified on 30 June 2015 10 3 On 4 February 2005 this same model of the L 410 had been certified by the European Union Aviation Safety Agency EASA while all other production variants followed on 28 March 2007 11 In the mid 2010s a typical production rate of 15 L 410 UVPs were being completed each year 12 On 3 September 2013 the Russian company UGMK Iskander Machmudov became the majority owner of LET Kunovice Aircraft Industries At the time of the acquisition it was announced that a new production line for the L 410 would be established within Russia within one year 13 As part of this strategy the company developed the most substantial variant of the aircraft to date the L 410 NG which can be visually distinguished from its predecessors by its considerably longer nose as well its enlarged rear area the latter change being made to accommodate the carriage of double the luggage It is also furnished a new wing design and has been fitted with a modernised Garmin G3000 glass cockpit The propulsion system has also been redesigned featuring more powerful and quieter GE H85 engines that drive Avia 725 propellers The L 410 NG can fly for double the range of the original model of the aircraft 14 5 On 7 July 2015 the company displayed the first L 410 NG which had been manufactured in Russia 15 it performed its first flight on 29 July 2015 14 16 Power grew up to 850 shp 630 kW instead of the previous 800 shp 600 kW GE H80 200 speed increased to 223 kn 413 km h Maximum take off weight rose 500 kg 1 100 lb to 7 000 kg 15 000 lb and range to 1 350 nmi 2 500 km up from the original 820 nmi 1 520 km Fuel capacity rose from 1 300 to 2 450 kg 2 870 to 5 400 lb and endurance from five hours to nine hours FAA EASA and Russian certification took place in late 2017 17 Serial production of the L 410 NG commenced in March 2018 18 Due to the Russian invasion of Ukraine which led to sanctions against the Russian Federation by the European Union and other Western countries Aircraft Industries lost its main customer for its passenger aircraft Russia Due to the subsequent financial difficulties the Kunovice based aircraft factory was acquired by the OMNIPOL Group in 2022 19 Design edit nbsp Head on view of a L 410 landing upon snow The Let L 410 Turbolet is an unpressurized all metal high wing commuter aircraft It is characterised by its relatively low maintenance and operating costs as well as its adaptable design which includes special interchangeable configurations 20 All models are equipped with a retractable undercarriage The L 410 UVP E features two hydraulic circuits one being the primary and the other intended for emergencies the main electrical system operates with 28V DC The de icing system is leading edge pneumatic deicers and electrical heating of propellers cockpit windshields and pitot static system heads The maximum take off weight of the L 410 UVP E is 6400 kg with the possibility of an increase to 6 600 kg 14 600 lb for the E9 and E20 variants possessing a maximum seating capacity of between 17 and 19 passengers The L 410 UVP E is equipped with Avia V 510 five blade propellers The L 410 UVP E20 is certified on the basis of FAR 23 either Amendment 34 or Amendment 41 It is certified by the European Union the Russian Federation the United States Brazil Argentina Chile Peru Venezuela Cuba India Nepal Philippines Korea Indonesia Republic of South Africa Algeria Australia Taiwan Turkey and many other countries accepting some of the previous certificates 21 The aircraft has also been approved for operation in a number of other countries such as Kenya Tanzania Uganda Tunisia Colombia Venezuela South Korea and others The airplane is certified for IFR operation CAT I ILS approaches and flights in icing conditions Variants edit nbsp Cockpit of a L 410UVP E nbsp A L 410UVP E20 taxiing L 410 Prototype three units built L 410A First series with Pratt amp Whitney PT6A 27 turbo prop engines Twelve built L 410AB Version with four bladed propellers L 410AF Aerial photo version supplied to Hungary L 410AG With modified equipment Never built L 410AS Test aircraft supplied to the USSR Five airplanes built L 410FG Aerial photography version based on L 410UVP L 410M Second series with Walter M601A engines L 410AM Version with improved M601Bs also known as L 410MA or L 410MU L 410 UVP Ukorochennaya vzlot posadka short take off and landing Third series fundamentally modified The principal changes are a trunk an extended wingspan by 0 80 m 2 6 ft M601Bs a higher horizontal stabilizer The UVP variants possesses STOL characteristics L 410 UVP S Salon variant of the UVP with upward hinged entrance hatch L 410 UVP E Re equipped with M601Es five bladed Avia V510 propellers additional fuel tanks at the wing ends L 410T Transport variant of the UVP with larger loading hatch 1 25 by 1 46 metres or 4 1 by 4 8 feet can transport 6 stretchers as a medical airplane with a medic or 12 parachutists It can also carry 1 000 kg 2 200 lb of cargo containers L 420 upgraded L 410 UVP E new M601Fs certified variant of the L 410 UVP E20 L 410 NG Substantially redesigned and expanded version powered by new GE H85 engines and a glass cockpit Capable carrying twice as much cargo as well as roughly double the endurance of the original model Operators edit nbsp The L 410 has been a popular aircraft for skydivers Main article List of Let L 410 Turbolet operators Large numbers of L 410s were delivered to the Soviet Union by 1985 500 aircraft had reportedly been obtained by various operators within the USSR alone 22 Accordingly the type has been heavily operated by various ex Soviet states in particular Russia Furthermore numerous L 410s have been sold to airlines across Asia Africa Central America and South America Forty aircraft are in use throughout Europe for commercial operations including skydiving Civilian edit In July 2015 178 Let L 410 were in airline service 73 in Africa 58 in Europe 41 in Americas and 6 in Asia Pacific and the Middle East its airline operators with four or more aircraft were 23 25 Air Tec Global 8 Orenburzhie Air Company 7 Searca 5 Kin Avia and Petropavlovsk Kamchatsky Air Enterprise 4 Air Express Algeria Eagle Air Solenta Aviation 2nd Arkhangelsk United Aviation Division Van Air Europe Komiaviatrans KrasAvia Air Guyane Express and ComeraviaAccidents and incidents editMain article List of accidents and incidents involving the Let L 410 Turbolet According to statistics the L 410 Turbolet can be considered a safe aircraft because it has had 118 accidents during its development out of a total of 1 200 aircraft produced and exported 24 25 This popular aircraft went through a number of improvements and modernization and the latest types the L 410 UVP E20 and L 420 are EASA and FAA certified respectively 7 While only a few of these accidents were fatal some say the safety record of the aircraft is influenced more by operational practices than its design Some customers and regulators have chosen certain practices that impact the overall safety performance 26 27 Specifications L 410 UVP E20 edit nbsp View of an overflying L 410 nbsp The cabin of a L 410 in a typical commuter configuration nbsp Walter M601 engine upon the wing of a L 410 Data from LET 2 General characteristicsCrew 2 Capacity 19 passengers 1 800 kg 3 968 lb payload Length 14 42 m 47 ft 4 in Wingspan 19 98 m 65 ft 7 in Height 5 97 m 19 ft 7 in Wing area 34 86 m2 375 2 sq ft Aspect ratio 11 45 Airfoil root NACA 63A418 tip NACA 63A412 28 Empty weight 4 200 kg 9 259 lb Max takeoff weight 6 600 kg 14 551 lb Fuel capacity 1 300 kg 2 866 lb Powerplant 2 General Electric H80 200 turboprop engines 597 kW 801 hp each Propellers 5 bladed Avia AV 725 2 3 m 7 ft 7 in diameter Performance Cruise speed 405 km h 252 mph 219 kn max cruise Range 1 500 km 930 mi 810 nmi 1 800 kg 3 968 lb payload ISA FL140 45 min reserve Endurance Five hours and six minutes Service ceiling 8 382 m 27 500 ft Rate of climb 8 5 m s 1 670 ft min Fuel consumption 240 kg h 529 lb h Take off run 510 m 1 670 ft ISA SL MTOW Landing run 500 m 1 600 ft ISA SL MTOW See also edit nbsp Czech Republic portal nbsp Aviation portal Related development Aircraft Industries L 410 NG Aircraft of comparable role configuration and era Antonov An 28 PZL M28 Skytruck Beriev Be 30 Britten Norman Trislander CASA C 212 Aviocar de Havilland Canada DHC 6 Twin Otter Dornier 228 Embraer EMB 110 Bandeirante Harbin Y 12 IAI Arava Mitsubishi MU 2 Short SC 7 SkyvanReferences editCitations edit a b c Jane s 1980 p 725 a b c L 410 UVP E20 brochure PDF LET 2016 archived from the original PDF on 23 April 2019 a b Polek Gregory 15 July 2015 Updated L 410 Turboprop Rolls Out in Czech Republic AIN Online Stoffels Felix 11 September 2019 The L 610 shall rise from the dead Retrieved 26 March 2024 a b c d e Cross Lee 16 April 2023 4 16 1969 Maiden Flight of the Let L 410 airwaysmag com a b c Cecrdle 2023 p 267 a b L 410 L 420 Short Range Aircraft Aerospace Technology 7 November 2017 Retrieved 26 March 2024 Kingsley Jones Max 14 July 1999 Ageing airliner census 1999 flightglobal com Cecrdle 2023 pp 267 268 Type Certificate data sheet No A42CE PDF Federal Aviation Administration 24 June 2016 Type Certificate data sheet A 026 Issue 22 PDF European Union Aviation Safety Agency 14 August 2017 archived from the original PDF on 18 August 2017 Steenhuis and Eriksson 2015 p 327 Novosti NEWSru com Cheshskij samolet L 410 okonchatelno stanet rossijskim newsru com 25 July 2013 Retrieved 7 March 2016 a b Let L 410NG Airliner World 19 October 2015 VZGLYaD UGMK predstavila novyj rossijskij samolet L 410 NG vz ru Retrieved 7 March 2016 Czech Mates Once Bound for Siberia this Airborne Duo Keeps Climbing Higher General Electric 29 July 2015 ILA Aircraft Industries targets 2016 sales for new L 410 turboprop Flight International 31 May 2016 E Howard Courtney 8 March 2018 Aircraft Industries launches New Generation aircraft Retrieved 25 March 2024 About Us Omnipol www omnipol cz Retrieved 2023 11 16 L 410 let cz Retrieved 6 May 2023 Certificates L 410 LET Archived from the original on 18 August 2017 Retrieved 17 August 2017 Indian Trade Journal Department of Commercial Intelligence and Statistics 1985 World Airliner Census PDF Flight Global August 2015 Ranter Harro Aviation Safety Network gt ASN Aviation Safety Database gt Aircraft type index gt Let L 410 gt Let L 410 Statistics aviation safety net Smith Oliver 19 June 2013 Least safe aircraft models revealed The Telegraph Smith Christine Forbes 26 June 2013 Design of aircraft is rarely a crash factor Kaminski Morrow David 19 February 2020 Eager first officers pose risk at difficult Nepalese airports flightglobal com Lednicer David The Incomplete Guide to Airfoil Usage m selig ae illinois edu Retrieved 16 April 2019 Bibliography edit Michael John Haddrick Taylor ed 1980 Jane s Encyclopedia of Aviation Volume 4 Grolier Educational Corporation Cecrdle Jiri 2023 Whirl Flutter of Turboprop Aircraft Structures Elsevier Science ISBN 9780323955560 Harm Jan Steenhuis Soren Eriksson eds 2015 The Global Commercial Aviation Industry Taylor amp Francis ISBN 9781136672392 External links edit nbsp Wikimedia Commons has media related to Let L 410 Official website George Fred 17 June 2013 Pilot Report L410 UVP Turbolet Aviation Week Network Retrieved from https en wikipedia org w index php title Let L 410 Turbolet amp oldid 1219257728, wikipedia, wiki, book, books, library,

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