American and Russian figure skaters—including two teenagers—were among the 60 passengers onboard a passenger plane that collided with a military Black Hawk helicopter in a crash authorities believe no one survived.

Two highly-regarded Russian figure skating coaches whose son recently finished fourth at the U.S. Figure Skating Championships were among those feared dead after an American Airlines flight collided with an Army helicopter and crashed into the frigid waters of the Potomac River Wednesday night.

Victims of the plane crash near Ronald Reagan Washington National Airport in Arlington, Virginia, on Wednesday night were contestants in the U.S. Figure Skating Championships, held from January 20 to January 26 in Wichita,