The Macchi M.12 was a biplane flying boat bomber designed by Alessandro Tonini, and produced in small numbers by Macchi in Italy in 1918.Taylor 1989, 617
Design and development The M.12 had a conventional design, generally similar to an enlarged version of other Macchi designs of the period, and featured the Warren truss-style interplane struts that had been introduced on the Macchi M.9.Jane's All the World's Aircraft 1919, 390 A major difference however, was its twin-boom fuselage, each with a separate tailfin. An M.12 was entered in the Schneider Trophy race of 1920, but did not compete.
The M.12bis was a civil variant with five seats and a wingspan extended to 18 m (59 ft), intended to carry passengers and mail.Jane's All the World's Aircraft 1919, 391
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