Douglas Aircraft four-engined propeller-driven airliner and transport. Kit has engraved surface detail, no cockpit, raised relief radial engines, landing gear, wheel chocks and injection-molded clear parts. Decals and painting reference for 2 United Air Lines aircraft: NC30041, Mainliner Yellowstone and NC30063, Mainliner Atlanta - includes colorful fuselage livery, deicing boots, hatch outlines, passenger windows, windshield frames and propeller blade markings.