TORONTO (AP) -- Canada's Bombardier has signed a preliminary agreement with a Russian state corporation for the purchase of as many as 100 Q400 NextGen aircraft in a deal that could be worth up to $3.39 billion.

The Montreal-based plane and train manufacturer said Wednesday that the deal with Rostekhnologii, a state corporation controlled by the Russian Federation, also includes the possibility of setting up a Q400 NextGen final assembly line in Russia to complement its Toronto operations.

Bombardier says the manufacturing facility in Russia is a key commercial requirement for the deal and would be managed by a joint venture.

The sales agreement is expected to be finalized in 2014.

There are currently more than 120 Bombardier commercial aircraft in service in Russia and other former Soviet republics.

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