It's a Northwest mystery that has never been solved. A man who called himself "Dan Cooper" paid cash for a one-way ticket to Seattle at the Northwest Orient Airlines counter at the Portland ...

In US airspace on November 24, 1971, a mysterious person named D.B. Cooper took over Northwest Orient Airlines flight 305, a Boeing 727. He then disappeared after jumping from the plane, leaving ev… ...

Dan Cooper, a middle-aged white man, hijacked Northwest Orient Airlines Flight 305 on November 24, 1971 on a flight between Portland, Oregon, and Seattle, Washington. Cooper bought a one-way tic ...