Residents in the Washington, D.C., area were rattled by a loud boom Sunday as fighter jets moved to intercept an unresponsive plane that veered over 300 miles off course.

Officials believe that four people were aboard the civilian aircraft, according to reports. None of them are believed to have survived the crash. The flight had been heading from Elizabethton, Tennessee, to New York’s Long Island MacArthur Airport, according to officials.

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(Randall K. Wolf via AP)

1:13 p.m.
Plane takes off
The plane, a Cessna 560 Citation V registered as N611VG, departed from Elizabethton, Tennessee, at around 1:13 p.m. EDT, according to FlightAware. It was headed for Long Island MacArthur Airport and had a scheduled departure time of 1 p.m.

At roughly 2:30 p.m.
Plane takes U-turn
The plane took a U-turn near Long Island a little over one hour into the flight, per records, for unknown reasons. From there, the plane veered southbound and flew back toward Virginia.

(Illustration by the Washington Examiner)

2:33 p.m.
Flight scheduled to land
The plane was scheduled to land at Long Island MacArthur Airport at around 2:33 p.m., according to flight records.

Around 3 p.m.
Fighter jets scrambled
It's not entirely clear when, but at some point, F-16 fighter jets were scrambled to intercept the plane, flying so fast that sonic booms reverberated across the Washington area.

Reports quickly trickled in of nearby residents hearing loud explosions over the skies, rattling homes and businesses. Audio and video containing the boom were captured by household smart doorbells and cellphones.

3:20 p.m.
Aircraft intercepted
Around 3:20 p.m., the fighter jets intercepted the aircraft, according to the North American Air Defense Command. Fighter jets deployed flares and other measures in a bid to get the pilot's attention but were seemingly unsuccessful, per NORAD.

3:30 p.m.
Aircraft crashes
Sometime around 3:30 p.m., the plane crashed near Staunton, Virginia, according to the Federal Aviation Administration. Officials stressed that the fighter jet activity did not cause the crash.

3:33 p.m.
Public informed
The D.C. Homeland Security & Emergency Management Agency issued a statement to assure the public there was no active threat.

"We are aware of reports from communities throughout the National Capital Region of a loud 'boom' this afternoon. There is no threat at this time," the agency wrote.

The Annapolis Office of Emergency Management later put out a similar notice.

"The loud boom that was heard across the DMV area was caused by an authorized DOD flight. This flight caused a sonic boom. That is all the information available at this time," the office tweeted.

At some point during this aeronautical episode, the Capitol was placed under "elevated alert," according to Capitol Police. President Joe Biden was out at Andrews Air Force Base's golf course and was later briefed on the incident.

8 p.m
First responders arrive on scene
Around 8 p.m. Sunday night, first responders caught up to the wreckage, where they quickly concluded there were no survivors, state police spokeswoman Corinne Geller said.

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Authorities are investigating the accident, seeking to determine precisely what went awry.

Investigators from the National Transportation Safety Board are reportedly set to head to the crash site Monday to gather evidence and run various assessments of the situation.