As recorded in the Unsolved Case file of D.B. Cooper, began on November 24th, 1971, at 2:50pm.
D.B. Cooper sat in the rear of the plane, dressed in a dark suit,
neatly pressed white collared shirt, black tie, and a "Mother of Pearl" tie pin.
Shortly after takeoff, Cooper handed a note to Florence Schaffner,
the flight attendant seated near him. The note stated that he had a bomb
and would blow up the plane if his demands were not met.
Cooper was informed his damands would be met. The aircraft landed at 5: 39 pm in Seattle-Tacoma airport. He demanded 200,000 US unmarked 20-dollar bills, Civilian parachutes with manually operated ripcords, and a small flight crew of only 5 crew members.
Take off from Seattle-Tacoma airport, followed by 2 F-106 fighter aircraft. After instructing the crew to remain in the cockpit.
At 8:00 pm he activated the aircraft's aft air stair apparatus and it is assumed he landed somewhere south of Ariel Washington.
When the passenger aircraft landed in Reno, AZ the rear stair was still deployed with D.B. Cooper gone with no trace.
During the 45 year man hunt after the event a small portion of the money was recoverd on the banks of the Columbia.
The rest of the money and D.B. Cooper has never been found.