On Wednesday, the pilot of the Black Hawk asked for permission to use a specific route that lets helicopters fly no higher than 200 feet and ... according to United. Delta also issued a travel ...

At the bottom of our list of the longest routes from Detroit Metropolitan Wayne County Airport (DTW) is to London Heathrow ...

and the Bombardier CRJ series – are used for “commuter airlines” such as SkyWest, which mostly operates under contract with major airlines as American Eagle, Delta Connection and United Express.

According to a brochure from Bombardier CRJ Series, the jet can hold up to 78 people. Per a flight manifest, American Eagle Flight 5342 from Wichita, Kansas had 60 passengers and four crew on board.

About 11s after the CRJ descended through 500ft, its cockpit-voice recorder picked up an automated advisory, warning of the presence of traffic, says the National Transportation Safety Board.

Here’s what to know about the aircraft involved in the collision. Flight 5342, a Bombardier CRJ-700 regional jetliner operated by PSA Airlines, a subsidiary of American Airlines, was bound from ...