Grigorovich M-9
Aircraft model
The Grigorovich M-9 was a Russian World War I-era biplane flying boat, developed from the M-5 by Grigorovich.
The first M-9 was ready in 1915 and its maiden flight was carried out on January 9, 1916, at Baku. On September 17, 1916, the test pilot... Wikipedia
Top speed: 68 mph
Manufacturers: Grigorovich and Shchetinin
First flight: January 9, 1916
Retired: 1920