Stearman 4

Stearman 4
Restored Stearman 4-CM-1 Junior Speedmail
Role Mailplane/transport
National origin United States
Manufacturer Stearman Aircraft
Designer Lloyd Stearman
First flight 1930
Status Several currently fly in private ownership
Primary user Commercial air carriers
Number built 41[1]
Developed from Stearman C3
A Stearman 4-EM Senior Speedmail in the Canada Aviation Museum.

The Stearman 4 is an American commercial biplane that was manufactured in the 1920s by Stearman Aircraft. They were marketed at the time as fast and luxurious executive transports and mail planes for about US$16,000.[1][2]

  1. ^ a b Thomas E Lowe, Kennith D Wilson (Summer 1982). "Saga of a Square Tail Stearman". AAHS Journal.
  2. ^ "Vintage Time Machine; The Resurrection of the Jimmie Allen Junior Speedmail". Archived from the original on December 15, 2013. Retrieved December 15, 2013.