In IF we only have the modern jet liners and not very many aircraft from the 1930s and 40s. I think that we should have a broader range of aircraft from a century ago.
The Douglas DC-1 was introduced in 1933 as a prototype for TWA. The DC-1 was very advanced for its day. Its fuselage was streamlined, as were its wings and engine cowlings. It featured all-metal construction and retractable landing gear. Variable-pitch propellers gave the plane remarkable takeoff and landing characteristics. With plush seats, a kitchen, and a comfortable restroom, the DC-1 set a new standard for passenger comfort.
The DC-1 carried 12 passengers and could fly as fast as 180 mph (289 kph). In April 1935, it set a transcontinental speed record, covering the distance from Los Angles, Calif., to New York in 11 hours, five minutes.
TWA placed an order for 25 larger aircraft designated the DC-2. Enlarged once more, the DC-2’s basic design evolved into the world-famous DC-3. For all the DC-1’s historical significance, only one was built.