Curtiss JN-4H
The Curtiss JN-4H was the first aircraft used in regular service by the Post Office. Popularly known as "Jennys," JN 4Hs were conventional Army trainers equipped with a Hispano-Suiza 150-horsepower engine. They could carry 63 kilograms (140 pounds) of mail 400 kilometers (250 miles) at a cruising speed of 120 kilometers (75 miles) per hour.
Gift of Stewart Geigen
This object is on display in America by Air at the National Air and Space Museum in Washington, DC.