Kingsford Smith's old plane, the Southern Cross, the first aircraft to fly Pacific, flies again. Various shots of the plane in the air and as it takes off and lands. Crew and several dignitaries standing in front of plane. John Kingsford Smith, the nephew of Charles Kingsford Smith, speaks on the plane's performance - natural sound. He praises the plane for its performance, pilot joins him. Plane is to be used in American feature film about Kingsford Smith.