TransDigm Group [TDG] on Wednesday said it has completed its $360 million cash acquisition of DART Aerospace from the private equity firm Greenbriar Equity Group

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The deal was first announced in March.

DART, which is based in Montreal, provides helicopter mission equipment solutions mainly for civilian aircraft. The company also provides equipment, parts and tooling for military helicopters.

DART is expected to generate $100 million in pro forma sales this year. About 95 percent of sales come from proprietary products and 80 percent of sales from the aftermarket. TransDigm targets acquisitions with high proprietary content.

DART has about 400 employees and operates from four primary locations in Canada, Oregon, Colorado and Mexico.