M-17, M-17bis by D.P.Grigorovich

The M-15 with introduction of minor changes, powered by the same 150hp Hispano-Suiza engine. Few were built on private factory of D.P.Grigorovich in Petrograd (St.Petersburg before WWI outbreak) during 1917- 1918.

Modification with 130hp Clerget engine was designated M-17bis.

M-17's were still in service on Black Sea in 1921- 1922.

Predecessor(s): Modification(s):

M-15
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