When a business jet failed to respond to air traffic control instructions, federal aviation officials say they reported the situation within minutes to a network that includes military, security and law enforcement agencies. Despite being out of contact on its ascent Sunday, the jet that took off in Tennessee continued toward Long Island, then turned back toward Virginia, where it slammed into a mountain, killing four people. The erratic flight path directly over the nation’s capital prompted the military to scramble fighter jets, causing a sonic boom heard in Washington, Maryland and Virginia.
Here's a timeline of events related to the flight and crash:
