Helicopter mi 171a2 technical characteristics. Domestic weapons and military equipment

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The Mi-171A2 was tested in 2014, demonstrating good operational capabilities. Currently, the fifth prototype is being prepared, after testing which Moscow specialists will be able to decide on possible improvements to the device. The model is multifunctional, so it is possible further development platform on which the helicopter was based. The photo below shows the appearance of the current modification 171A2.

General information about the modification

The model is produced by the Ulan-Ude aircraft plant, from which the first samples for testing were received. The development is one of the most anticipated new products in the domestic helicopter industry in recent years. Although the vehicle is in many ways an original creation of the designers, it is still based on the Mi-17 multi-purpose vehicles. At the same time, the Mi-171A2 helicopter has modern flight performance capabilities, an increased level of autonomy and safety.

The creators of the modification sought to preserve all the best qualities of the previous generations of the family, but also made allowances for the demands of today. On the one hand, this made it possible to optimize the characteristics of the technical platform, and on the other, to raise the level of electronic filling and balance the ergonomic properties. It is worth noting that the Mi-171A2 version was developed by groups of engineers and designers in close cooperation with machine operators, which made it possible to realize a fairly high degree of comfort when operating the equipment. This was greatly facilitated by the introduction of electronic assistants and digital systems.

Differences from previous generations

The device was designed taking into account not only the Mi-17, but also the model of the Mi-8 line. Although these families have a lot in common, there are also a number of differences. The new device has absorbed the best qualities of these representatives of the aircraft complex, but has also received many serious additions. In particular, this applies to the supporting platform. The Mi-171A2 design was also equipped with an X-shaped tail rotor, an improved bearing mechanism bushing and an updated It is noteworthy that in some cases new parts are made of composite materials, which added reliability to the device.

Structural improvements could not but affect operational performance. For example, the model demonstrates high controllability and high-torque propeller performance. There are also noticeable changes in terms of the autonomy that the new helicopter has. The photo below shows the basic version of the model, which has a flight range of 650 km. However, in the new modification, the helicopter allows you to cover distances of up to 800 km.

Main technical characteristics

The device is a representative of the middle class and is designed for multi-purpose use. The designers faced the difficult task of balancing such qualities of the model as practicality, ergonomics and functionality. In many ways, these qualities were combined in the Mi-171A2 - the characteristics of the vehicle confirm this:

  • Take-off weight - maximum 13 tons.
  • With load on external sling - maximum 13.5 tons.
  • Interior length - 636 cm.
  • Cabin width - 234 cm.
  • The height of the device is 180 cm.
  • The volume in the cabin is 23 m3.
  • Passenger capacity - up to 24 people.
  • Flight crew - 1-2 people.
  • Operating temperatures - from -50 to 50 °C.

Characteristics of the power plant

The power plant is one of the main advantages of the modification. The complex is formed by several VK-2500PS-03 series. Speaking of implementation modern technologies- units are provided electronic system settings of operating parameters and control, as well as the Safir APU device, which allows the installation to be launched at an altitude of up to 6 km. At takeoff mode, the power potential of the Mi-171A2 is 2400 hp. s., and the emergency operating format increases the power to 2700 hp. With. As for dynamic performance, the maximum speed of the helicopter in normal use reaches 280 km/h, and in cruising mode - 260 km/h.

Helicopter Features

The helicopter is remarkable for many characteristics. The developers have introduced many new systems, the work of which is aimed at increasing the safety, ease of use and overall reliability of the machine. The main technical and structural features of the Mi-171A2 helicopter include a modernized load-bearing platform and an improved transmission. This made it possible to solve a wide range of problems and facilitate maintenance activities. From the point of view of operators and flight crews in general, the introduction of an integrated flight and navigation system is especially significant. New generation avionics also contribute to the comfort and convenience of helicopter operation. If we talk about the advantage of maintaining this helicopter, it lies in reducing the cost of a flight hour.

Operational Capabilities

The machine is designed to perform a wide range of tasks. Both the design refinement and the optimization of the power plant were subordinated to the needs of multi-purpose operation. As a result, the new helicopter can be used both in high altitude conditions and when exposed to elevated temperatures. Thanks to the mentioned flight navigation system, the operator can operate the machine day and night, regardless of weather conditions. Moreover, even flying over the water surface does not pose a serious danger. Stable navigation operation, coupled with the functions of advanced electronic equipment, allows you to make maximum use of the helicopter’s resource in any conditions. By the way, in addition to automation, the capabilities of the flight crew are expanding. This, in particular, is facilitated by the unusual implementation of the “glass” cabin.

Future model improvements

The device is currently being tested in the flight laboratory. The designers left the first few prototypes unchanged, and one of the model variations should receive new tail and main rotor blades. It is assumed that in the future Russian helicopters of this modification will be produced in several specialized versions. In particular, search and rescue, transport, firefighting, passenger and medical evacuation versions should appear. In accordance with the areas of use, developers will systematically make configuration changes. However, the basis of the model will most likely remain the same, and improvements will be focused on modernizing technical and optional equipment and expanding the scope of equipment.

Helicopter prospects

Interest in the new helicopter is manifested from different sides. For example, the model can expand the capabilities modern business, which has already been confirmed by representatives of the Russian oil and gas industry. As experts note, the aircraft’s flight performance capabilities make it possible to effectively perform work in remote areas, while also implementing specialized tasks. All new generation helicopters will have such features, and the 171A2 modification will be one of the first in this series. According to some information, the model may find application not only in traditional domestic market sites, but also in the Asia-Pacific region. True, in the near future the Ulan-Ude plant plans to cooperate with market participants from the CIS countries.

Conclusion

The Mi-171 family of helicopters has many modifications, special series and VIP versions. Most of them belong to highly specialized equipment or take the place of an operational tool in a specific area. However, Russian helicopters of the 171A2 line will have a fundamental difference. The fact is that it is a multi-purpose platform focused on average level operational requests. This is the most popular segment in modern helicopter manufacturing, so the designers tried to make the device as reliable, safe and at the same time profitable from a practical point of view. Even apart from the main directions of development of this helicopter, a serious reworking of the base cannot be ruled out in the near future. This will be facilitated by the development of technological potential and the increase in the capacity of the enterprise in Ulan-Ude. To this should be added the obvious interest in new developments on the part of the market.

Mi-171A2 / Photo: img-fotki.yandex.ru


Technical information


general information

Mi-171A2- the latest multi-purpose middle-class helicopter, combining unique operating experience of Mi-8/17 helicopters and the latest technical solutions. This is the highest level of reliability, safety and comfort. This helicopter is created in close cooperation with helicopter operators and sets new standards for middle-class helicopters.

The Mi-171A2 provides ample opportunities for your business and the confidence that the task will be completed under any conditions.

The Mi-171A2 middle-class multi-purpose helicopter is a perfect classic.

Key features of the Mi-171A2:

  • High flight specifications
  • Wide range of tasks performed
  • New generation equipment and systems
  • High level of security
  • ARMAK certification
  • Modern operation and maintenance system
  • Reduced cost per flight hour
  • Embodiment best qualities helicopters of the Mi-8/17 family

Mi-171A2 is:

  • Powerful power point
  • Upgraded carrier system and transmission
  • Modified fuselage
  • Wide range of special equipment
  • Integrated flight and navigation system, glass cockpit
  • Modern avionics
  • New level of safety and comfort

Photo: www.russianhelicopters.aero


Tactical and technical indicators

Flight performance

Maximum speed, km/h

280

Cruising speed, km/h

260

Max. flight range with main tanks, km

800

Practical ceiling, m

6000

Static ceiling outside the influence of the earth, m

4000

Mass characteristics, kg

Max. take-off weight

13000

With load on external sling

13500

Max. payload:
Inside the cargo compartment

On external sling

4000

5000

Gas turbine engines

VK-2500PS-03

Takeoff power, hp

2400

Power in emergency mode, hp

2700

Interior dimensions, m

Length

6.36

Width

2.34

Height

1.8

Volume, m 3

23

Capacity

Flight crew, persons

1-2 people

Passengers, persons

24 people

Operating temperature range,°C

-50 /+50


Size: px

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Transcript

1 Information about the project “Development of a complex of on-board equipment for the Mi-171A2 helicopter” To meet the requirements of key operators of helicopters of the Mi-8/17 type, OJSC “UKBP” developed a complex of on-board equipment KBO-17 providing: - operation of helicopters both under VFR and IFR, day and night, in simple and difficult weather conditions, ensuring the performance of aviation work (aerial reconnaissance, cargo transportation, search and rescue operations, etc.); - a qualitatively new level of solving helicopter navigation tasks by the crew; - deep autonomous built-in control of helicopter avionics. At the Scientific and Technical Council of Russian Helicopters OJSC, the depth of unification of the KBO-17 and KBO-226 complexes was noted at 83% and the technical solutions used in the development of these KBO were approved. These technical solutions have also been approved by industry institutes (GosNIIAN, GosNIIGA) and certification procedures are underway by AR IAC. KBO-17 includes the main complex-forming systems developed and produced by OJSC UKBP: complex system electronic indication and signaling KSEIS-V1; control system for general helicopter equipment SUOVO-V1; information complex of altitude and speed parameters IK VSP-171; integrated system of backup devices ISRP-5. The complex integrates products from domestic manufacturers: the PKV-171A helicopter flight control system and the PVN-1-03 navigation computer console manufactured by JSC KBPA; radio altimeter A (JSC UPKB “Detal”); weather radar Kontur-10m (“Kontur-NIIRS”); 24-hour surveillance system KOS-17 (OKTB Omega); communications complex KSS-17 (NPPP Prima LLC); on-board recorder MBR-GA-01 (OJSC 1

2 “Device”); early ground proximity warning system SRPBZ, differential data receiver equipment, aircraft transponder SO-2010 (ZAO VNIIRA-Navigator). The KBO-17 also integrates foreign-made systems: directional vertical LCR-100 (Northrop grumman); automatic radio compass NAV-4000 and radio range finder DME-4000 (Rokwell Collins); map generator RN-7 (Litef) 2

3 Model of the Mi-171A2 helicopter cockpit with equipment of the KBO-17 complex at the HeliRussia exhibition

4 1. Weight and power Main technical characteristics of the KBO-17 onboard equipment complex of the Mi-171A2 helicopter Parameter KBO-17 (basic configuration) KBO-17-1 ( full set) Weight, not more than, kg 247.42 376.12 Power consumed by the KBO-17 onboard equipment complex (with heating), W 2490.0 (5190.0) 3548.7 (6323.7) 2. Errors in measuring basic flight parameters : Parameter Roll and pitch angles, º Measurement error (at 2σ level), no more Main systems ±0.5 (in horizontal flight) ±1.0 (during maneuvering) Backup device ±(from 1 to 4) (in horizontal . flight) ±8.0 (during maneuvering) Gyromagnetic heading (GMC), º ±1.0 (in horizontal flight) ±3.0 (in horizontal flight) ±2.0 (during maneuvering) ±6.0 (during maneuvering) Gyro-semi-compass course, º/hour ±5 (care) - True course, º ±2 - Radio station heading angle (KUR), º ±3 - VOR beacon azimuth, º ±0.2 - Barometric altitude, m from 4 up to 7 ±(5±0.001H abs) Indicated speed, km/h from 3 to 8 from 3.5 to 10 Vertical speed (Vy), m/s from 0.3 + 0.01Vy from 0.3 to 0, 8 Outside air temperature, ºС ±1 ±1 4

5 Longitudinal, transverse and vertical components of airspeed, km/h ±5 - Geometric altitude, m ±0.45 or ±0.02N flow - 3. Errors in stabilizing flight parameters by the autopilot: Parameter Roll and pitch angles, º ±1.0 Course (travel angle), º ±1.5 Barometric altitude, m ±10 (at Nbar 500 m) ±20 (at Nbar>500 m) Indicated speed, km/h ±10 Vertical speed (Vy), m/s ± 10 Stabilization error (at the level of 2σ), no more than 4. Error in determining the current coordinates of the helicopter location: Coordinate determination mode Satellite navigation (SNS) when using a combined GLONASS/GPS receiver Dead reckoning in the mode of integrated information processing in the absence of data from RTS and SNS ( "forecast" mode) Inertial-satellite mode Heading-aerometric dead reckoning Error in determining coordinates (with a probability of 0.95), no more than 100 m during the first 15 minutes at the level of accuracy of the last correction, after 15 minutes 5 km per flight hour 100 m 6% of the distance traveled in calm conditions 5

6 5. Main functions performed: solving problems of navigation support for a helicopter flight: solving problems of piloting a helicopter using automatic, automated and director methods of controlling a helicopter flight according to a given flight plan, along routes equipped and unequipped with radio equipment, as well as off-routes; ensuring precision and non-precision landing approaches to aerodromes equipped with radio-technical landing systems, LCKS or unequipped aerodromes; control and indication of parameters and operating modes of the power plant, general helicopter equipment, generation and issuance of mnemonic, text, audio and speech signal information to the helicopter crew; formation and display to the helicopter crew: - flight and navigation information; - information about the flight plan and the status of the flight mission; - information about the weather and navigation situation; - video information from a 24-hour surveillance system; - cartographic and aeronautical information, - information about the potential threat of collision with the surface; - information about the position of the external suspension cable; - information about obstacles (power lines, masts, free-standing trees, etc.). formation and registration of an array of flight information; automated and manual configuration of radio navigation and landing systems and radio communication equipment; comprehensive provision of internal and external radio communications for the helicopter crew; creating an optimal lighting and ergonomic cabin climate; 6

7 ensuring interaction with ATM services. Information on the work performed on the Mi-171A2 avionics complex in 2012 In 2012, OJSC Ulyanovsk Instrument Engineering Design Bureau, as part of the project to create a Mi-171A2 helicopter avionics complex (KBO-17 complex), carried out next works: 1. The development of the design documentation for the following complex-forming components of the OBE has been completed: integrated electronic indication and signaling system KSEIS-V1-1; general helicopter equipment control system SUOVO-V1-1; integrated complex of altitude and speed parameters IKVSP-171; integrated system of backup devices ISRP-5; control panels for general helicopter equipment PUOVO-171; emergency and notification display system STAUS-2-1; SVKO in-cab lighting system. Prototypes of KSEIS-V1-1, SUOVO-V1-1, IKVSP-171, ISRP-5, PUOVO-171, STAUS-2-1, SVKO-6-1 system units were manufactured and preliminary tests were carried out. 3. The development and approval of connection diagrams and protocols for information interaction between the complex systems has been completed. 4. The development and approval of the programs for the functioning of the KSEIS-V1-1, SUOVO-V1-1, ISRP-5, STAUS systems has been completed with OJSC "MVZ im.m.l.mil"

8 5. The first versions of software for the KSEIS-V1-1, SUOVO-V1-1, ISRP-5 systems were developed. Software development processes are carried out in accordance with the requirements of KT-178V. 6. The functioning of the software systems was tested on autonomous system stands and the interaction of systems was tested on a complex stand at OJSC UKBP. 7. On a complex stand with real on-board equipment, such functions of the OBE were tested as: generation and display of flight and navigation information; generation and display of information about the state of the power plant and general helicopter equipment; distribution and control of switching power supply to on-board consumers, control of helicopter units, generation and display of meteorological information. 8. Three samples of the KBO-17 complex were manufactured for the Mi-171A2 OP-1 helicopters (delivered to the Mil Moscow Helicopter Plant OJSC), OP-2 and the complex stand of the UKBP OJSC. 9. Currently, ground testing of the complex is underway on board the Mi-171A2 OP-1 helicopter and testing of secondary functions of the OBE at the complex stand at OJSC UKBP. 8

9 Information about the project “Tu-204SM avionics complex with a crew of two” The use of the Tu-204SM avionics complex developed by UKBP OJSC ensured: 1) Improvement of the following technical economic indicators compared to the Tu-204: reduction in crew members to two people; the weight of on-board equipment was reduced from 164.4 kg to 40.5 kg; the volume of on-board equipment decreased from 53 K to 14.5 K (unit size according to GOST); power consumption decreased from 2100 W to 406 W; reliability has increased computing facilities on-board equipment from 5000 hours to hours; the average labor intensity of maintenance decreased by 3 times; the average time to restore the functionality of on-board equipment has decreased by 3 times; maintenance costs were reduced by reducing the range of spare parts and accessories by 2 times; costs for software certification of expandable functions were reduced by 3 times. 2) Improving flight safety indicators by automating monitoring and control procedures for general aircraft equipment, as well as by optimizing the cockpit information and control field. 3) Reducing pre-flight preparation time through the use of advanced maintenance technologies using an on-board maintenance system. The complex of on-board equipment of the Tu-204SM aircraft, developed by JSC UKBP, corresponds in its technical and economic indicators to modern and promising foreign analogues and world standards, 9

10 parts of ensuring flight safety, equipment cost, operating cost and ensures the competitive ability of the Tu-204SM aircraft in world markets. Composition of the on-board equipment complex: - on-board system reference information BSSI-204; - on-board maintenance system BSTO-204; - general aircraft equipment control system SUOSO-204; - system for converting analog and discrete signals SPADI-204; - air data measurement system SIWD; - integrated electronic indication system KSEIS-204; - integrated system of backup devices ISRP-4; - upper control panel of the runway pilot. 10

11 Information and control field of the cockpit of a Tu-204SM aircraft with a crew of 2 pilots 11

12 Main functions performed: - solving problems of navigation support for aircraft flight; - solving problems of piloting an aircraft using automatic, automated and director methods of controlling the flight of an aircraft according to a given flight plan; - control and indication of parameters and operating modes of the power plant, general aircraft equipment, generation and distribution of mnemonic, text, audio and speech signal information to the aircraft crew; - generation and display to the aircraft crew: a) flight and navigation information; b) information about the flight plan and the status of the flight mission; c) information about the weather and navigation situation; d) video information from a 24-hour surveillance system; e) cartographic and aeronautical information; f) information about the potential threat of collision with the surface; - formation and registration of an array of flight information; - automated and manual settings radio engineering navigation and landing systems and radio communication equipment; - comprehensive provision of internal and external radio communications for the aircraft crew; 12

13 - creation of optimal lighting and ergonomic cabin climate. Information on the work performed on the avionics of the Tu-204SM aircraft In 2012, OJSC Ulyanovsk Instrument Design Bureau, as part of the project to create the avionics of the Tu-204SM aircraft, carried out the following work: 1. The development of the design documentation for the following complex-forming components of the OBE was completed: - a comprehensive electronic system indication and signaling KSEIS-204E; - on-board reference information system BSSI-204; - general aircraft equipment control system SUOSO-204; - on-board maintenance system BSTO-204; - system for converting analog and discrete signals SPADI-204; - air data measurement system SIWD; - integrated system of backup devices ISRP-4; - control panels PNO, RTO, OSO and the upper pilot console (31 in total); - light signal boards and in-cab lighting lamps. 2. Prototypes of blocks of the KSEIS-204E, BSSI-204, SUOSO-204, BSTO-204, SPADI-204, SIWD, ISRP-4 systems were manufactured. 13

14 3. The development and approval of connection diagrams and protocols for information interaction between avionics systems has been completed. 4. The development and approval of programs for the operation of the KSEIS-204E, BSSI-204, SUOSO-204, BSTO-204, SPADI-204, SIWD, ISRP systems has been completed. The software for the KSEIS-204E, BSSI-204, SUOSO systems has been developed. -204, BSTO-204, SPADI-204, SIWD, ISRP-4. Software development processes are carried out in accordance with the requirements of KT-178V. 6. The functioning of the software systems was tested on autonomous system stands and the interaction of systems was tested on the complex stand of OJSC UKBP. 7. At a complex stand with real on-board equipment, the following avionics functions were tested: - generation and display of flight and navigation information; - generation and display of information about the state of the power plant and general aircraft equipment; - distribution and switching control of power supply to on-board consumers; - control of aircraft units; - generation and display of meteorological information. 8. Interdepartmental and qualification tests of the KSEIS-204E, BSSI-204, SUOSO-204, BSTO-204, SPADI-204, SIWD, ISRP-4 systems were carried out. 14


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MULTI-PURPOSE MEDIUM HELICOPTER MI-171A2
MULTIPURPOSE MEDIUM HELICOPTER MI-171A2

14.02.2019
RUSSIAN HELICOPTERS STARTED CERTIFICATION OF THE MI-171A2 HELICOPTER IN BRAZIL

Russian Helicopters Holding (part of the Rostec State Corporation) and the Federal Agency air transport(Rosaviation) handed over the operational and technical documentation for the Mi-171A2 helicopter to the National Civil Aviation Agency of Brazil (ANAC).
Based on the application received, the Brazilian aviation authorities will have to decide on the certification of the helicopter on the local market.
“Brazil is our long-time partner and one of the key countries in South America for promoting Russian helicopter products. Mi-171A1 helicopters have been successfully operating in the country for more than 10 years, and I am sure that the new helicopter will soon also have the opportunity to earn a positive reputation. Currently, the Brazilian certification authority is processing the received documentation for the Mi-171A2. Taking into account the experience of certification of Mi-171A1 helicopters, I think that this issue will be resolved in a short time,” said Andrey Boginsky, General Director of the Russian Helicopters holding company.
“Given Brazil’s high demand for multi-purpose medium-class helicopters, we are introducing a new machine to the local market - modern, spacious and reliable. The Mi-171A2 helicopter provides a high flight range, which is important for a country where the helicopters are actively used in hard to reach areas. At the same time, within the framework of international partnership, we intend to develop after-sales service maintenance, which guarantees maximum service life and is a necessary condition flight safety,” said Anatoly Serdyukov, director of the Rostec aviation cluster.
In 2005, the Mi-171A1 helicopter, optimized for the requirements of European commercial operators and FAR-29 aviation regulations, received Type Certificate approval from ANAC. During its development, special attention was paid to safety issues. In the same year, the first Mi-171A1 helicopter was delivered to Brazil.
In 2010, the Mi-171A1 helicopter, presented by the operator company Atlas Taxi Aereo, in total positive characteristics and the price/quality ratio won the tender of the Brazilian state oil and gas company Petrobras for the right to perform aerial work in the Amazon basin.
By order of a Brazilian company, the T-HUMS system (on-board monitoring and diagnostic system) was installed for the first time on the new Mi-171A1 helicopter. It provides automatic monitoring of a wide range of components in real time, significantly increasing flight safety. The use of the T-HUMS system also provides for the possibility of switching to maintenance “on condition” rather than according to regulations, which can significantly reduce the financial costs of the operator company and increase the efficiency of the helicopter business.
Mi-171A1 helicopters used by Atlas Taxi Aereo in heavy duty natural conditions to support Petrobras' drilling operations in the rainforests of Brazil, have proven themselves to be best side. During a year of intensive operation, one helicopter, for example, flew more than 1 thousand hours (an average of 120 hours per month), moving about 600 tons of cargo, mainly drilling equipment on an external sling.
On the basis of this helicopter, the Mi-171A2 helicopter was developed - the result of a deep modernization of helicopters of the Mi-8/17 family. More than 80 changes were made to the Mi-171A2 design. The helicopter is equipped with VK-2500PS-03 engines (a civilian version of the engines installed on Mi-28 combat helicopters) with a digital control system. One of the most important differences The Mi-171A2 from the Mi-8/17 family of helicopters is a new load-bearing system. The helicopter is equipped with a more efficient X-shaped tail rotor and a new main rotor with all-composite blades with an improved aerodynamic design. In August 2017, the helicopter received from Federal agency Air transport of the Russian Federation type certificate for category “A”, which provides for compliance with the most stringent flight safety requirements for civil helicopters.
JSC "Ulan-Ude Aviation Plant" is one of manufacturing enterprises holding "Russian Helicopters". The modern production and technological potential of the plant allows you to quickly organize the production of new types aircraft, combine the creation of prototypes with serial production of equipment. Over the 75 years of its existence, the plant has built more than 8,000 aircraft. Today the plant specializes in the production of Mi-8AMT (Mi-171E), Mi-171 and Mi-8AMTSh (Mi-171Sh) helicopters.
Russian Helicopters

18.03.2019


Russian Helicopters Holding predicts high demand for helicopters in the world - in the next 5-10 years, demand will increase by 20%, reports aereo.jor.br on March 16. In Brazil, sales will increase by 37%.
The company begins certification of the Mi-171A2 multi-purpose transport helicopter in Brazil. Since 2000, Russia has sold 16 helicopters of various types to Brazil.
“Brazil is our long-time partner and one of the largest countries in South America. Mi-171A1 helicopters have been successfully operating in the country for more than 10 years, and I am sure that the new helicopter will also be positively received,” adds Andrey Boginsky, General Director of the Russian Helicopters holding company.
The previous version of the Mi-171A1 was created in 2005, optimized for the requirements of mainly European consumers, and received the Brazilian FAR-29 certificate. In the same year, the first helicopter was delivered to Brazil.
The Mi-171A2 variant received more than 80 changes compared to the A1, and is equipped with VK-2500PS-03 engines with a digital control system (a civilian version of the engine installed on the Mi-28 combat helicopter). Production is carried out at the Ulan-Ude aircraft plant (part of the Russian Helicopters holding company). Over more than 75 years of operation, the plant has built more than 8,000 aircraft and helicopters. Today the plant specializes in the production of Mi-8AMT (Mi-171E), Mi-171 and Mi-8AMTSh (Mi-171Sh) helicopters.
Military parity

“With the advent of European helicopters, disaster medicine in the region has reached a qualitatively new level.

To carry out air ambulance work in the Primorsky Territory, two light AS350 B3e (H125) helicopters manufactured by Airbus Helicopters are used. These machines were purchased by the regional administration in 2015 as part of the state program "Development transport complex Primorsky Krai for 2013–2020."

Needless to say: would the residents of the Primorsky Territory “disappear” without the H125?

Meanwhile, India is purchasing 200 coaxial Ka-226s from us, which won international competitions these same H125.

Among the Kamovites in the 90s. There was also a more modern project with one engine: the coaxial Ka-115, but safer than the H125, cheaper, more advanced and more spacious, where instead of one accompanying person a doctor and a nurse could be accommodated, i.e. brigade

But for a liberal government official, a helicopter with a tail rotor is a balm for the soul! Probably because of its drift: with the rotors running, the tail rotor is very dangerous on the ground; if there is a failure in the air, with rare exceptions, it is a disaster; takes away part of the engine power to the detriment of the payload; and for the solidity of the fuselage, a heavy tail boom with gearboxes is attached to it. A coaxial helicopter also has a tail boom, but it is compared to a tail boom classical scheme- “fluff”. While a coaxial helicopter can easily fly tail first at any speed, the Kalashnikov Mi-8 is not allowed to fly backwards even when maneuvering before landing:

“The cause of the accident was the aircraft entering the “vortex ring” mode when performing a helicopter landing without using the influence of the “air cushion”. The crew did not attempt to exit this mode using the method specified in the Flight Operating Manual of the Mi-8T helicopter undertook," the IAC said in a statement.

According to the IAC, this happened because the crew made a mistake; the helicopter was flying “tail first” at speeds of up to 40 kilometers per hour. There is no such maneuver in the helicopter operating manual" (The IAC Commission completed an investigation into the aviation..."Airport").

Now let's compare the performance characteristics of the Mi-8 MTV and Ka-32 with the same TV3-117 engines

The small number of passengers on the Ka-32 is explained by its small fuselage volume. The fact is that this helicopter is a modification of the Ka-27, built in Soviet times especially for the Navy. But the Kamovites have been using the Ka-32 since 2001. there is a Ka-32-10 project with a fuselage volume commensurate with the Mi-8, but the main gearbox and main rotors are serial from the Ka-32, so the final cost is expected to be no more expensive and even cheaper than today’s Mi-8, which, in my opinion view, and does not suit the “effective” managers, because you can’t make a lot of money from a Kamov helicopter and, presumably, because of this, its implementation was “FROZEN”. And in general: it is not permissible for Russian engineers to launch a better helicopter than the WESTERN one into production! Therefore, instead of the Ka-32-10AG project, Russian Helicopters launched the Mi-171A2 series with the same VK-2500 engines, but which also loses in all respects: in safety, in payload capacity; in terms of speed characteristics, the Ka-32-10AG will not be inferior to the Mi-38, and on an external sling it will lift a ton more, which indicates the large power capacity of the Ka-32-10AG. But the Mi-171A2 is being prepared for Arctic flights:

“July 18. As part of the recently announced project to develop an offshore version of the Mi-171A2 helicopter, the machine will be adapted to work in Arctic conditions, Russian Helicopters told ATO Show Observer. This will be required due to the fact that the machine is planned to be used, among other things, on the Arctic shelf.

The holding hopes that the experience of developing “Arctic” helicopters will allow the offshore version of the Mi-171A2 to be brought to market relatively quickly. The machine is being developed in the interests of fuel and energy companies.”

Of course, it would be much more economically profitable for the State to have a coaxial helicopter, when the basic Ka-32 has long been tested in real Arctic conditions, than to “fence the garden” with the Mi-171A2:

“In the Arctic, a trial unloading of a supply vessel onto an unequipped shore was carried out using a Ka-32 helicopter. An experienced polar explorer, Hero of the Soviet Union, Mark Ivanovich Shevelev, took part in this experiment.”

Mark Shevelev recalls:

“We had to supply the polar station on Bear Island with everything necessary for a long winter. Typically, such an operation in the Arctic takes a long time. There are no piers, snow, wind, and on a pontoon you can’t always get right to the shore. In a word, people drag loads in icy water, and even special suits cannot save them. It is especially difficult to carry fuel containers by hand. But everything needs to be moved as far as possible from the sea, beyond the line of maximum tide. And so, despite the fog, with the help of the Ka-32 helicopter we completed unloading the Sasha Borodulin vessel in just a day and a half.

The helicopter picked up a container with a five-ton cargo from the deck and carried it to the island to the very house of the meteorological station.”

Why couldn’t it have been possible to invite a rotorcraft to become riggers and loaders before? The fact is that in polar conditions only the Ka-32 can be reliably used to operate from ships. The helicopter successfully passed comprehensive tests. Sailors, scientists, and pilots appreciated its enormous capabilities.

The commander of the civil aviation helicopter pilot unit, Valentin Andreev, says:

“The Ka-32 surprised even us, who flew helicopters of different designs. This compact, tough guy has great engines. It has on board an excellent flight and navigation system and a computer, with the help of which you can fly automatically over the ocean both during the day and in the polar night without a drive station and dispatchers. Electronic equipment always keeps the right course.”

This car is a godsend for the Arctic. Ka-32 helicopters as part of Arctic convoys will bring serious savings to the national economy” (Holiday on Bear Island. The right course. World records of the Ka-32.).

Vitaly Belyaev

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