Aviation experts have warned about the risk of a passenger aircraft collision for years.They cite air traffic controller shortages and airspace congestion as safety risks.Wednesday's crash is the first complete-loss US airline accident since 2009.

A regional jet carrying 64 people collided with an Army Black Hawk helicopter. Reagan National Airport grounded all flights.

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.

U.S. Figure Skating said a number of its skaters, their coaches and family members were on board the flight returning home from a training camp in Wichita, Kan. + The Skating Club of Boston has confir

Several members' of the U.S. Figure Skating community were onboard the American Airlines plane that collided with a U.S. Army Black Hawk Helicopter over Washington, D.C., the governing body said in a statement.

A flight crew from Charlotte was onboard a plane that collided with a military Black Hawk helicopter over the Potomac River by Washington, D.C., according to multiple media reports and at least one crew member’s family.. A total of 67 people died — 60 passengers, four crew members on the commercial plane and three people on the military chopper.

According to the FAA, an Army Black Hawk helicopter collided into a 60-passenger flight landing at DCA midair.

There were 64 passengers aboard the plane, and three Army soldiers in the helicopter, according to officials. Here's a look at what we know about the victims.

The National Transportation Safety Board said the cockpit voice recorder and flight data recorder from the American Airlines jet that collided with the Black Hawk helicopter have been recovered from the wreckage in the Potomac River and are now at the NTSB labs for evaluation.

Timothy Lilley, a former military helicopter pilot, confirmed that his 28-year-old son, Sam Lilley, was one of the two pilots aboard the American Airlines flight. "This is undoubtedly the worst day of my life," Timothy told FOX 5 Atlanta from Washington ...