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An-4
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An-4

Antonov An-4

 

An apparatus Air-4 is a seaplane with the presence of the floating chassis. It was constructed in the Antonov Design Bureau based biplane AN-2.

Between 1950 1951 year by the Design Bureau №153 designed and built An-2V float on the chassis. The first flight of an airplane made a test pilot V. Didenko July 31 51 years. In August of the same year we conducted production tests, which ended successfully, and in the period from October to November to fruition state tests. After them, by order of the plane recommended for serial production. He also received a new designation - the AN-4. The construction was carried out in the territory of the USSR and Poland.

An-4

Trial operation of the float An-2V "Water" began between 1954 1955 on year. Tentatively, it was decided to carry out tests in the lake and river regions, particularly in Karelia, in the mouths of the Pechora and Irtysh rivers. Tests were carried out and in other areas with a large river and lake network without the presence of landing sites. An-4 has a high maneuverability in the water areas, regardless of the state of the water. This opportunity came with the installation of the reverse of the propeller and water rudders. Operation of the aircraft was possible in coastal areas with a depth of rivers and lakes from the 0,8 1,2 m to m due to low rainfall, thus simplifying the mooring.

The first production car with number 15947307 came to Karelia in 1956 year. After some time about a hundred copies of actively exploited in Naryan-Mar, Petrozavodsk, Arkhangelsk, Surgut, Salekhard, Irkutsk, Igarka, Khatanga, Dudinka, Turukhansk and Tobolsk.

An-4

These widely used seaplanes Fisheries, as the passenger in terms of expeditions for the transportation of products, mail and other types of cargo delivered in remote and inaccessible areas. But there was also a minus. In the tradition of the Slavic people present addiction - drinking! Without proper medical and administrative controls, often during the flight crew simply drinking in the workplace, causing emergency situations and traumatic. As a result, in order to cope with this, in 1983 year we decided to stop using and repairing An-4.

But the story is not over the aircraft. According to the Air Transport Department of the Russian Federation 1994, the presence of this aircraft in the northern parts of the country amounted to more than 300 units. Many residents (herders, hunters, fishermen) there the remote areas repeatedly requested to return to the use of AN-2V to increase the effectiveness of life in the absence of normal communication, trade, and cultural and community service. This issue did not find a logical solution.

An-4

On hydroplane installed one engine AL-62IR power 1000 hp, created in PD Shvetsov. The crew consisted of two people, and pasazhirovmestimost was nine. The device was relatively small. Length was slightly less than 13 meters and wingspan was: top - 18,17 m, bottom - 14,23 m He could carry weight in kg 1000 from 178 cruising speed in km / h and the maximum in 230 km / h.. An-4 great demand and respect because of the possibility to fly a distance of 1800 km from the ceiling in a practical 3660 m.

An-4 characteristics:



Modification An-4
Wingspan, m 18.18
Aircraft Length m 13.20
Height, m 5.90
Wing area, m2 43.60
Weight, kg  
empty aircraft 3660
maximum take-off 5250
engine's type 1 PD Shvetsov Ash-62IR
Power, hp X 1 1000
Maximum speed km / h 230
Cruising speed, km / h 178
Practical range, km 1800
Practical ceiling, m 3660
Crew 2

 

Aircraft

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The feel of an unforgettable flight. Yes, pants well, but this flight I will remember for a lifetime. Personally, I enjoyed it!

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