Development
In 1921 the Engineering Division of the USAAS designed a simple single-seat biplane to be used as a messenger aircraft to replace motorcycles. The aircraft was built by the Sperry Aircraft Company as the Sperry Messenger. The Messenger was a conventional biplane with a fixed tailskid landing gear and a nose mounted 60 hp (45 kW) Lawrance L-4 radial engine. In 1924 the military aircraft were given USAAS designations M-1, M-1A and MAT. The prototype was used by Lawrence Sperry who disappeared in 1923 flying a Messenger across the English Channel from France to England.
Read more about this topic: Verville-Sperry M-1 Messenger
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