D.B. Cooper, or Dan Cooper is an unidentified male who hijacked a Seattle bound flight on November 24th, 1971. D.B. handed a flight attendant with a note stating he had a bomb in his briefcase. He demanded $200,000 and four parachutes. D.B. eventually jumped off the aircraft with a parachute and has never been located. Some of the bills have been discovered in rivers.
On November 24th, 1971, a middle-aged man, who identified himself as Dan Cooper, approached the flight counter of Northwest Orient Airlines at Portland International Airport. He purchased a one-way ticket to Seattle on Flight 305 with cash. Dan boarded the Boeing 727 and sat in seat 18C.