Open daily 10 a.m. to 5:30 p.m.
Admission is always free!
2 Massachusetts Ave., N.E.
Washington, DC 20002
The museum's main entrance is located on the corner of First Street and Massachusetts Avenue NE. Other entrances have variable hours.
The first postal-sanctioned airmail flights were made in 1911. The Museum's collection contains envelopes carried on both Henri Pequet's February flight in India as well as Earle Ovington's September flights in the U.S.
This cover was flown by Earle Ovington on September 27, 1911.
Cover flown on February 18, 1911 in India. Although the cover notes it is the first "aerial" post, Fred Wiseman had started a flight carrying airmail in California on February 17, 1911.