d. b. cooper (also known as dan cooper) is an alias (false name) for a man who hijacked an airplane in november 24, 1971. at that time, airline passengers were not searched before boarding their planes. he carried a bomb onto a flight between portland, oregon and seattle, washington. he received the ransom payment of $200,000. he jumped from the airplane, which was a boeing 727. when he jumped, the airplane was in the pacific northwest, perhaps over woodland, washington. hundreds of suspects have been named through the years, but no conclusive evidence has surfaced regarding who cooper was, or where he lived. the fbi believes he did not survive the jump. several people have tried to explain what happened after the jump. some of these explanations contradict each other.