This is the Boeing 707 the first American jet transport capable of economical service, carries up to 180 passengers and cruise at 600 MPH at 30,000 ft, Pan Am introduced the type in late 1950s and retired them by 1974, this is the 320B version which had upgrade Pratt & Whitney JT3D turbofan engines and slightly enlarged fuselage. This version is a two class interior with cockpit.