After receiving a ransom payout of $200000 and four parachutes , he jumped out of the 727 when it was flying somewhere over the Cascade Mountains .
Cooper , hijacked a Beoing 727 airliner .
After receiving a ransom payout of $200000 and four parachutes , Cooper jumped out of the 727 when it was flying somewhere over the Cascade Mountains .
Cooper , hijacked a Beoing 727 airliner .