Northwest Orient Airlines at Seattle-Tacoma International Airport - april 1955 | color photo by J. Boyd Ellis

Northwest Orient Airlines Lockheed L-1049 "Super G" Constellation. Powered by 4 Curtiss-Wright R-3350 'DA-3 Turbo Compound Engines. Shown here at Seattle-Tacoma Intn'l Airport with optional wing tip fuel tanks of 600 U.S. Gallons each. Northwest used , its "Connies" for service from Seattle to Hawaii and to the Orient via Anchorage, Alaska. Photo taken April - 1955 by J. Boyd Ellis