HELSINKI — All five people on board two helicopters were killed Saturday when the aircraft collided mid-air ... READ: 2 people are dead in a small plane collision at a southern Arizona airport ...

A commercial plane ... Arizona that killed two. “These are different categories and different issues,” Shahidi said. “I wouldn’t put them all in the same bucket from our perspective ...

On Feb. 17, a Delta plane crashed and flipped over upon landing in Toronto. Two small planes collided in midair in Arizona ... Hawk helicopter near the site in the Potomac River of a mid-air ...