Bombardier's strategic C Series partnership with Airbus should put it on stronger financial footing but it remains unclear what fate awaits its other commercial aircraft.

Airbus chief executive Tom Enders said the company will add to Montreal's large aerospace cluster and provide more opportunities for local suppliers, universities and aerospace training schools.

Last week, the U.S. Department of Commerce tacked on another 80 per cent of preliminary anti-dumping duties against Bombardier, adding to the nearly 220 per cent in preliminary countervailing tariffs added in September, on sales of CS100 commercials jets.

The U.S. Department of Commerce has announced a 79.82 per cent preliminary anti-dumping duty against Bombardier Inc.

The Americans "came forward with a really disappointing offer on government procurement" Freeland told The West Block's Vassy Kapelos.

The U.S. Department of Commerce has clobbered aerospace giant Bombardier with a hefty 219 per cent countervailing duty on the sale of its CS100 commercial jets to a U.S. airline following a trade complaint from an American rival.

Bombardier, based in Quebec, is Northern Ireland's largest manufacturing employer.

Theresa May also raised the issue in a call earlier this month to Donald Trump.

Justin Trudeau has taken up the federal government's battle with Boeing Co. with the governor of Missouri.

Boeing Co. has no plans to back down in its trade dispute with Canadian rival Bombardier .