He identified himself as "Dan Cooper" and used cash to purchase a one-way ticket on Flight 305, a 30-minute trip north to Seattle. On Thanksgiving eve, November 24, 1971, a middle-aged man carrying a black attaché case approached the flight counter of Northwest Orient Airlines at Portland International Airport. The FBI officially suspended active investigation of the case in July 2016, but the agency continues to request that any physical evidence that might emerge related to the parachutes or the ransom money be submitted for analysis. The great majority of the ransom remains unrecovered. $5,880 of the ransom was found along the banks of the Columbia River in 1980, which triggered renewed interest but ultimately only deepened the mystery. Numerous theories of widely varying plausibility have been proposed over the years by investigators, reporters, and amateur enthusiasts. The crime remains the only unsolved air piracy in commercial aviation history.
Despite a case file that grew to over 60 volumes over that period, no definitive conclusions were reached regarding Cooper's true identity or fate. Cooper.Īvailable evidence and a preponderance of expert opinion suggests that Cooper probably didn’t survive his high-risk jump, but the FBI maintained an active investigation for 45 years after the hijacking. The man purchased his airline ticket using the alias Dan Cooper but, because of a news miscommunication, became known in popular lore as D. He extorted $200,000 in ransom (equivalent to $1,278,000 in 2020) and parachuted to an uncertain fate over southwestern Washington. Cooper is a media epithet used to refer to an unidentified man who hijacked a Boeing 727 aircraft in United States airspace between Portland and Seattle on the afternoon of November 24, 1971. N467US, the aircraft involved in the hijackingĭ.
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