Dan Cooper is the pseudonym of an unidentified man who hijacked a Boeing 727 aircraft in the northwest United States, in the airspace between Portland, Oregon, and Seattle, Washington, on the afternoon of Wednesday, November 24, 1971. The man purchased his airline ticket using the alias Dan Cooper but, because of a news miscommunication, became known in popular lore as D. B. Cooper. He extorted $200,000 in ransom (equivalent to $1,260,000 in 2019) and parachuted to an uncertain fate. Despite an extensive manhunt and protracted FBI investigation, the perpetrator has never been located or identified. It remains the only unsolved case of air piracy in commercial aviation history.
Many FBI agents are of the opinion that Cooper probably did not survive his high-risk jump, but his remains have never been recovered. The FBI maintained an active investigation for 45 years after the hijacking. Despite a case file that has grown to over 60 volumes over that period, no definitive conclusions have been reached regarding Cooper's true identity or whereabouts.
Numerous theories of widely varying plausibility have been proposed over the years by investigators, reporters, and amateur enthusiasts. A young boy discovered a small cache of ransom bills along the banks of the Columbia River in February 1980. The find triggered renewed interest but ultimately only deepened the mystery, and the great majority of the ransom remains unrecovered.
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.
Hijacking
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. 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. Cooper boarded the aircraft, a Boeing 727-100 (FAA registration N467US), and took seat 18C (18E by one account, 15D by another) in the rear of the passenger cabin. Cooper was a quiet man who appeared to be in his mid-40s, wearing a business suit with a black tie and white shirt. He ordered a drink—bourbon and soda—while the flight was waiting to take off.
Flight 305, approximately one-third full, departed Portland on schedule at 2:50 p.m. PST. Shortly after takeoff, Cooper handed a note to Florence Schaffner, the flight attendant situated nearest to him in a jump seat attached to the aft stair door. Schaffner, assuming the note contained a lonely businessman's phone number, dropped it unopened into her purse. Cooper leaned toward her and whispered, "Miss, you'd better look at that note. I have a bomb."
The note was printed in neat, all-capital letters with a felt-tip pen. Its exact wording is unknown because Cooper later reclaimed it, but Schaffner recalled that the note said that Cooper had a bomb in his briefcase. After Schaffner read the note, Cooper told her to sit beside him. Schaffner did as requested, then quietly asked to see the bomb. Cooper opened his briefcase long enough for her to glimpse eight red cylinders ("four on top of four") attached to wires coated with red insulation, and a large cylindrical battery. After closing the briefcase, he stated his demands: $200,000 in "negotiable American currency"; four parachutes (two primary and two reserves); and a fuel truck standing by in Seattle to refuel the aircraft upon arrival. Schaffner conveyed Cooper's instructions to the pilots in the cockpit; when she returned, Cooper was wearing dark sunglasses.
The pilot, William Scott, contacted Seattle–Tacoma Airport air traffic control, which in turn informed local and federal authorities. The 36 other passengers were given false information that their arrival in Seattle would be delayed because of a "minor mechanical difficulty". Northwest Orient's president, Donald Nyrop, authorized payment of the ransom and ordered all employees to cooperate fully with the hijacker's demands. The aircraft circled Puget Sound for approximately two hours to allow Seattle police and the FBI sufficient time to assemble Cooper's parachutes and ransom money and to mobilize emergency personnel.
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