Testifying for the first time in front of the Senate Subcommittee on Aviation, acting Federal Aviation Administrator Chris Rocheleau admitted that "something was missed." ...

WATCH: Helicopter crew in DC collision may not have heard key instruction from tower, NTSB says The crew of the ... traffic controller to pass behind the plane, investigators said Friday.

National Transportation Safety Board Chair Jennifer Homendy told lawmakers the families and friends of the 67 victims "are here today," and "I can only imagine what they're going through." ...

A small single-engine plane crashed near Mattoon, Illinois, on Saturday. The crash happened on County Road 1400 N in Trilla, ...