On the afternoon of 24 November 197, a man claiming to be Dan Cooper arrived at Portland International Airport. The man boarded a flight to Seattle. Once the plane was in the air, he told one of the flight attendants that he was carrying a bomb. He asked for a ransom of us$200000 and four parachutes. When the plane landed in Seattle, the parachutes and money were brought onto the plane . Cooper allowed the other passengers to leave, and then told the pilot to make him to Mexico.