D.B. Cooper Hijacking — America's Only Unsolved Skyjacking

The Case

The D.B. Cooper hijacking is the only unsolved act of air piracy in U.S. commercial aviation history. On the evening of November 24, 1971, an unidentified man traveling under the alias Dan Cooper hijacked a Northwest Orient Airlines Boeing 727, extorted $200,000 in cash and four parachutes, and then jumped from the rear stairs of the aircraft somewhere over the Pacific Northwest. He has never been identified, never been arrested, and never been charged. Decades later the case remains one of the greatest unsolved mysteries in American criminal history.

The Crime

The hijacker boarded Northwest Orient Airlines Flight 305, a short hop from Portland, Oregon, to Seattle, Washington. Shortly after takeoff he handed a flight attendant a note and indicated he was carrying a bomb in his briefcase. He demanded $200,000 in negotiable American currency and four parachutes, to be delivered when the plane landed in Seattle.

Authorities complied. After the aircraft touched down at Seattle-Tacoma International Airport, the passengers and some of the crew were released in exchange for the money and parachutes. The aircraft was then refueled on Cooper's instructions and ordered back into the air, with a flight plan toward Reno, Nevada, at low altitude and reduced speed.

Somewhere over the densely forested terrain of southwestern Washington — widely believed to be near Ariel, Washington — Cooper lowered the Boeing 727's aft airstair and jumped into the rainy night with the ransom strapped to his body. He was never seen again.

The Victims

The direct victims were the passengers and crew of Flight 305, who were held under the threat of what Cooper claimed was a bomb. The available verified sources do not publish full passenger names or ages. No one on board was physically harmed; the passengers were released on the ground in Seattle once the ransom and parachutes were delivered. The flight crew remained on board during the second leg, during which Cooper jumped, and they too survived unharmed.

In a broader sense, Northwest Orient Airlines and U.S. commercial aviation were also victims: the case helped accelerate the introduction of stricter airport screening and led to the installation of the so-called "Cooper vane," a mechanical device that prevents the aft stairs of Boeing 727s from being lowered in flight.

Investigation

The FBI opened a massive investigation under the case name NORJAK (Northwest Hijacking). Agents interviewed hundreds of suspects over the following decades, examined the recovered cabin evidence — including a clip-on tie Cooper left behind — and tracked the recorded serial numbers of the ransom bills.

The most important physical break came in February 1980, when a young boy digging in the sand along the Columbia River near Vancouver, Washington, uncovered three bundles of decaying $20 bills totaling about $5,800. The serial numbers matched the ransom money paid to Cooper in 1971. The discovery confirmed that at least part of the cash had ended up in the river system, but it did not reveal whether Cooper had survived the jump.

Numerous suspects were proposed over the years — among them former paratroopers, ex-convicts, and aviation enthusiasts — but none was ever conclusively tied to the hijacking. In July 2016, the FBI officially closed the NORJAK investigation, redirecting its resources to other cases while keeping the physical evidence preserved.

Trial and Verdict

There has been no trial, no verdict, and no sentence in the D.B. Cooper case. Because the hijacker was never identified, no person has ever been charged with the air piracy of Flight 305. The federal indictment originally returned against "John Doe, aka Dan Cooper" exists primarily to preserve the legal possibility of prosecution should a verified suspect ever be confirmed.

Today

More than half a century after the jump, the case continues to generate intense public fascination. Amateur sleuths, retired FBI agents, and forensic specialists have proposed competing theories about Cooper's identity, his fate after leaving the aircraft, and the path of the ransom money down the Columbia River. Books such as _Skyjack: The Hunt for D.B. Cooper_ and numerous documentaries, podcasts, and video investigations keep the case in front of new audiences.

For now, the man who called himself Dan Cooper remains a ghost in American criminal history: a nameless figure in a dark suit and clip-on tie who walked onto a commercial flight, jumped out the back of a jetliner with $200,000 in cash, and disappeared into the forests of the Pacific Northwest.