D. B. Cooper is the name used to refer to an unidentified man who hijacked a Boeing 727 aircraft in the airspace between Portland, Oregon and Seattle, Washington on November 24, 1971. He extorted $200,000 in ransom and parachuted to an uncertain fate. Despite an extensive manhunt and an exhaustive (and ongoing) FBI investigation, the perpetrator has never been located or positively identified. The case remains the only unsolved air piracy in American aviation history.

D.Cooper AKA Dan Cooper A 1972 F. composite drawing of D. Cooper Other names Dan Cooper Occupation Unknown Known for Hijacking a Boeing 727 on November and parachuting from the plane mid-flight; has never been positively identified or captured.

10 of the Greatest Unsolved Mysteries

What Do You Think Happened To D. Cooper - Did D. Cooper survive his jump from the plane back in What do you think. Click the photo for the full story.

The D.B. Cooper Mystery

The National Post's graphics team takes on the mystery of skyjacker D.

D. B. Cooper - Wikipedia

D. B. Cooper - Wikipedia

A 1972 FBI composite drawing of D. B. Cooper

A band of amateur scientists selected by the FBI to look for clues in the world’s most infamous skyjacking may have found new evidence in the case.

Don Draper to become D.B. Cooper in Mad Men finale? A skyjacking expert weighs in on the theory.

Will Don Draper Become D.B. Cooper? A Skyjacking Expert Weighs In.

One of the most outlandish and compelling theories about the final season of Mad Men was succinctly outlined on Medium last year: Don Draper, our magne .