If suspicions prove true, this would be the first crash of a commercial helicopter because of hostile actions.

His firm went on to become one of the largest commercial helicopters operations in the world.

Bell Helicopter manufactures all its commercial helicopters at a plant located on the airport.

She pointed to the battered commercial helicopter sitting out on the tarmac.

With the commercial helicopter he spends at least an hour at each stop, greeting sometimes 4,000 children in one day.

In the late 1960s Agusta designed the A109 as a single-engined commercial helicopter.

The past week has seen a sharp increase in insurgent violence, including the downing Thursday of a commercial helicopter that left 11 people dead.

After this, they received their first official permit to start manufacturing commercial helicopters.

But he explained it might have been a commercial helicopter from an off-shore oil or gas installation.

They were commercial helicopters of a nondescript nature.