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Yak-40
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Yak-40

Yak-40. Photo. Video. Driving salon. Characteristics. Reviews.

 

 

Yak-40 (NATO reporting: Codling - «Small cod") - passenger aircraft used by local airlines, developed in the Soviet Union in 1960-ies.

History

Yak-40 the world's first jetliner for local airlines. He was the first Soviet aircraft, which took place on airworthiness certification in the capitalist countries of Europe. Since the start of design to its construction was only one year. 21.10.1966 plane was hoisted into the air as a test pilot A. Kolosov. The design of the machine made for specific opportunities to take off and land on unpaved airfields.

Yak-40

Yak-40 is extremely simple to manage and use, was designed for flight and ground personnel with high qualifications. The plane got two nicknames: "Iron-stub" - for small dimensions and powerful motors dymlenie and "Fighter of kerosene" - for high fuel consumption. Liner is equipped with a folding ladder for the passengers, self-starter, have good handling on taxiing. All this made it possible to operate the Yak-40 on unprepared airfields. Location engines in the rear significantly reduce vibration and noise.

Total production of aircraft factories Soviet aircraft Yak released 1011-40. Series production ceased in 1981 year, but even after this mini-ships cruised along the routes of Soviet and foreign airlines. This suggests structural safety and the correct application of technical solutions to eliminate problems encountered during the development of the Yak-40.

Together with designers Yakovlev officers Minsk Aircraft Repair Plant established on the basis of an airplane flying laboratory for the segment of the economy.

Yak-40

The Yak-40 has been widely used in the USSR. By the middle of 70-ies they were ousted veteran local airlines IL-14, IL-12 and Li-2. Liner in the history of operation carried more than 80 million passengers to more than 300 settlements. Flawless experience with the airplane in the USSR and countries 18 forced to think about the inaccuracy of its removal from the production. AI-25 engines were replaced by more modern models, which had the best indicator of its economy, in order to increase production and exports. However, the aircraft is capable of carrying several dozen passengers, it was not economically viable, despite the fact that in the early 90-x have been large passenger aircrafts. This was the main reason for the cessation of production and operation of the Yak-40. The second reason was the retrofitting capacity of the manufacturer to build a series of Yak-42.

In 1992 of the Smolensk aircraft plant had a revision of the existing Yak-40 in the modification of the Yak-40D, which had increased the volume of fuel tanks. In 1996 the plane was equipped with an administrative option for plying on international airlines. But he was operated only in the VIP-version for charter flights in the civil was not profitable airlines. Since the beginning of the year 2000-40 Yak completely written off the Russian airlines.

Design

Purpose of the aircraft lay in the carriage of passengers to a distance of 1500 km. Passenger capacity - up from the 27 32 people. The liner had a small cruising speed - 510 km / h. The design is simple.

The combination of a wing structure with three engines AI-25 provide good flight characteristics. Medium-sized jet engine placed in the fuselage. Reverse thrust engine is a special device that changes the direction of the flow of exhaust gases during braking. It shortened the landing roll the aircraft to 400 m. The structure of the aircraft structure includes reversible plates.

Yak-40 VIP

The cabin liner Yak-40 has two jobs - for the pilot and copilot. If necessary, you can place the third seat. From the cockpit offers a good overview of both pilots.

Оборудование

Yak-40 is equipped with a modern set of electronic navigation and flight equipment. It allows the liner to hold the flights day and night, even in bad weather. Yak-40 equipped with an autopilot AP-40, course system GMK-1G, th AGB-3K, magnetic compass KI-13, two automatic direction finder ARK-9, kursoglissadnoy landing system SP-50, low altitude radio altimeter RV-ZM. Radio communication equipment includes radio command "Pen-11» (P-860-11) or radio "Balkan-5» and "Lily-5». The Yak-40 present the efficiency of air-thermal anti-icing system.

The security system includes radiometeolokator "Thunderstorm", capable of detecting storm fronts for routing rate.

The aircraft has a resource of 30 thousand. Flight hours and service life - 25 years.

Wing aircraft high aspect ratio, direct, consists of two main consoles. Each arm has three sections sliding Embarkation vzlёtnyh-flaps and ailerons two sections. Each set of longitudinal frame console and the console spar wing structure consists of six pairs of stringers, a spar, two longitudinal walls. Cross set consists of thirty-four ribs. Casing design is made of duralumin sheets. The wing cutouts for niche where are placed in the retracted position of the main wheel and landing gear strut. Wherein the chassis is provided with wheels of large diameter and a soft damping which reduces the surface runway specific pressure and gives the possibility to use the plane on rural airfields.

Yak-40 view from below

On each wing there are three sections of the flaps. All sections are similar in design. Each part consists of cladding and framework. The frame is formed by stringers, spars, a set of cross-section and ribs.

The longitudinal walls consist of channel iron beams, which consists of a wall, supported by pillars, the upper and lower zones. The stringers are made of aluminum extrusions brands section.

 

Shop Yak-40

Yak-40 inside

 

Aerodynamic configuration

Turbojet trehmotorny nizkoplan with rear mounted engine with odnokilevym, T-tail and right-wing.

The closest analogue is the VFW-Fokker 614 - short-haul jet airliner production of Germany. Produced in limited series, a distinctive feature - the engines located on pylons above the wings.

Interesting facts about the aircraft

The landing and landing of passengers is carried on the tail ramp-ramp, which is both a hatch cover reminiscent of aircraft cargo ramp in its design.

  • At Yak-40 no separate luggage compartment. Baggage pass when boarding and transported in the lobby.

  • Yak-40k (RA-87958) company Vladivostok Air Vladivostok installed on the campus VSUES.

According to unofficial information in the fighting, and as a result of accidents, disasters and destruction on the ground was lost 117 instances of aircraft Yak-40.

 

Driving salon Yak-40

Yak-40 scheme salon

Data is presented for aircraft with maximum take-off weight 17200 kilos when operating on a runway with artificial turf.

 

Specifications

  • Crew: three people plus one flight attendant;

  • Passenger capacity: 40, 36, 34, 31, 27 people (depending on layout embodiment);

  • Capacity: 3240 kilos;

  • Length: 20,36 meters;

  • Wingspan: 25,0 meters;

  • Height: 6,5 metrotyv; Wing area: 70,0 square meters;

  • Curb weight: 17265 kilos;

  • Empty weight: 13750 kilos;

  • Maximum takeoff weight: 17200 kilos;

  • The weight of fuel in internal tanks: 6000 kilos;

  • Power ustatnovka: turbofan AI-25 (mp and copies);

  • Rated Yaga: 3 × 1120 kilogram * force ()

  • Power auxiliary setting: AI-9 GTE (one copy).

 

Flight properties:

  • Top speed: 546 kilometers per hour (at a height of 6000 meters);

  • Cruising speed: 510 kilometers per hour (at a height of 6000 meters);

  • Ferry range: 2500 kilometers;

  • Service ceiling: with passengers 6000 meters; Ferry 8000 meters;

  • Rate of climb: 7,0 meters per second (at the ground);

  • Length of takeoff: 850 meters;

  • The length of the path: with reverse 550 meters; without reverse 750 meters.

 

Yak-40. Gallery.

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Yak-40 10 photoYak-40 11 photoYak-40 12 photo

 

Yak-40.Video.

 

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✈Yak-42

Comments

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Cool plane, flew three times on it.

By developing Yak 40 Yakovlev began in the spring of 1965 years. The main task of these aircraft were replaced with local airlines older piston aircraft Lee 2, 12 IL and IL 14.
UC 40 the world's first passenger jet aircraft, and the first of the Soviet Union, received the certificate of airworthiness in the West. UC 40 began flying in Italy and Germany, it has been certified by the United States and England.
Many Western aircraft designers of the time noted that UC 40 very original in its design, flight characteristics and size.
One of the French magazine in April 1970 years noted: the West is virtually no comparable aircraft with him. It is only possible to compare with some US projects that can be implemented no earlier than a few years.
As you know, before the creation of 40 Yakovlev Yak do not develop multi-passenger aircraft. Only from time to time created a small passenger car.
And now, at the beginning of the year 1933, 6 was created by the local Yak 8, 4 then seater Yak 12 and 10 seater Yak 16. Already the first passenger design is simple, easy and convenient service for passengers. Got some experience in building passenger aircraft, designers Yakovlev transferred all knowledge in the creation of 3dvigatelnogo jetliner with salon on 32 passenger and flight range 2200 - 2500km.

Yak-40 - just a dream for many pilots. I did a pilot and has worked for many years. My first plane was just yak-40. I got into various scrapes, but never once did not fail me in this car. I am proud to pilot worked, always remember and will remember your favorite Yak-40.

For me, the Yak-40 reliable and simple machine. Where I just do not have to fly it. Perhaps other jet passenger planes could not fly there. Therefore, such a plane can be proud of and I think that I support neither the pilot.

For me, the Yak-40 quite simply the perfect airplane, but most importantly reliable. It is a pity that now rarely seen this car. Well probably just have time left for such aircraft, but I hope that our producers in the future will create an analog of such an aircraft, only more sophisticated.

The Yak-40 as for me a very good and reliable aircraft. Unfortunately they are almost gone because of development of the line. One day, somewhere heard or saw a program that initially the project of creating the aircraft entrusted to OKB Beriev. Even despite the fact that they were creating only seaplane. Beria asked for help in the constructors Atonova then jointly able to develop a full-scale project. But soon the leadership to freeze all work on the project. After that, the model unit for a long time was in stock up to the moment when he did not know about Yakovlev, who did not give the abyss all operating time. It is through this Yakovlev succeeded in a short line to create short-haul aircraft with jet engines with the designation Yak-40.

I believe this aircraft is very beautiful and probably no more beautiful. I often flying in his younger years the Yak-40, so I liked it. Sits down the plane very quickly and easily, and also carried off. The only thing a bit cramped between the seats, but still felt during the flight safety and comfort.

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