Among the victims were elite skaters who skated with clubs in Philadelphia and Aston and at the University of Delaware. A Delaware coach is also among the victims.
There were 67 victims onboard American Airlines' Flight 5382 that collided with an Army Black Hawk helicopter​.
An Army Black Hawk helicopter collided with a regional jet near Ronald Reagan Washington National Airport on Wednesday evening, U.S. officials confirmed to ABC News.
Air crash investigations can take months, and federal investigators told reporters they would not speculate on the cause.
Among those killed were two with Florida connections: the pilot of the plane, Jonathan Campos, and the son of a Venice couple.