Announcement comes as the Montreal-based company reports a $36-million net loss.
US measures require 65% local content on public transportation projects.
Both point to transportation projects that could have secured work for the Thunder Bay plant.
$175 million in fines levied against a “cartel” that the tribunal found manipulated at least 26 tenders between 1999 and 2013.
Moving forward, Bombardier will focus on business jets and rail.
Would be the last remaining sale within the Montreal aerospace company’s commercial aircraft segment.
Q400 will continue to be manufactured at its Downsview facility in Toronto under Longview’s management.
New aviation division will include business aircraft business as well as its CRJ regional jets.
Full first-quarter financial results released on May 2.
Last November, the plane-and-train-maker announced about 5,000 layoffs.
LRT manufacturer three cars short of the first of 76 to be delivered by Feb. 1.
Deliveries suspended, citing software issues and past problems with springs between the cars and doors weeping oil.
The company says the acquisition will strengthen its position as an aerostructures manufacturer.
Plant construction complete or not, production of the narrow-body aircraft is to start in the third quarter.
Buy American rules are prompting Bombardier’s plant in Plattsburgh, N.Y., to build the multi-level cars, rather than its facility in Quebec.