The Aeromarine AM-1 was a biplane built to pursue a US Air Mail Service requirement for a nighttime transport.

[3] The AM-1 was a biplane with conventional landing gear, it featured an all-metal fuselage with metal covering .32 in (8.13 mm) thick.

The engine was fully cowled with the exhaust stacks stretching behind the pilot.

Two streamlined fuel tanks sat on top of the wings.

Many components were common with the design of the Aeromarine AMC flying boat.