The Mil Mi-3 was a Soviet light-utility helicopter originally designed in the 1960s as a heavier and larger version of the Mil Mi-2

Mil Mi-2

The Mil Mi-2 is a small, lightly armored transport helicopter that could also provide close air support when armed with 57 mm rockets and a 23 mm cannon.-Design and development:...

 helicopter. It is also a Russia

Russia

Russia or , officially known as both Russia and the Russian Federation , is a country in northern Eurasia. It is a federal semi-presidential republic, comprising 83 federal subjects...

n designation for the Polish

Poland

Poland , officially the Republic of Poland , is a country in Central Europe bordered by Germany to the west; the Czech Republic and Slovakia to the south; Ukraine, Belarus and Lithuania to the east; and the Baltic Sea and Kaliningrad Oblast, a Russian exclave, to the north...

-Soviet

Soviet Union

The Soviet Union , officially the Union of Soviet Socialist Republics , was a constitutionally socialist state that existed in Eurasia between 1922 and 1991....

 co-operation on larger helicopters based on the Mi-2 that could replace the Mi-4

Mil Mi-4

The Mil Mi-4 was a Soviet transport helicopter that served in both military and civilian roles.-Design and development:...

 from 1971. The project never passed the stage of design. Due to problems in this cooperation, the Poles decided to build a completely new helicopter on their own, designated as PZL W-3 Sokół.

Another helicopter designated Mil Mi-3 was improved Mil Mi-1

Mil Mi-1

The Mil Mi-1 The Mil Mi-1 The Mil Mi-1 ( (USAF/DoD reporting name "Type 32", NATO reporting name "Hare") was a Soviet three- or four-seat light utility helicopter. It was the first Soviet helicopter to enter serial production. It is powered by one 575 hp Ivchenko AI-26V radial. It entered...

with four bladed main rotor.

External links

• Mil Mi-3 at www.aviastar.org:http://www.aviastar.org/helicopters_eng/mi-3.php
• PZL Swidnik W-3 at www.aviastar.org:http://www.aviastar.org/helicopters_eng/pzl_sokol.php