The Grigorovich M-9 was a Russian World War I-era biplane flying boat, developed from the M-5 by Grigorovich.
Grigorovich M-16 was a successful Russian World War I-era biplane flying boat of the Farman type, developed from the M-9 by Grigorovich. Somewhat larger than the M-9, the M-16 was a version especially intended for winter operations, with better aerodynamic qualities.
Anatra (Анатра) was an aircraft manufacturer founded by Artur Antonovich Anatra at Odesa, Ukraine, then Russian Empire in 1913 which manufactured aircraft until 1917. Artur Anatra had previously helped fund the purchase of the first aircraft to arrive in the Russian Empire, in 1909.
The FBA Type A and the similar Type B and C were a family of reconnaissance flying boats produced in France prior to and during World War I.
The Grigorovich M-11 was a Russian single-seat fighter flying boat designed by Dmitry Pavlovich Grigorovich and built by Shchetinin
The Engels MI was a Russian floatplane/fighter developed in 1916. It was a parasol cantilever flying boat with a V-Section hull, and downswept wingtips incorporating flotation chambers.
The Tupolev MTB-2, also known as the ANT-44, was a Soviet four-engine flying boat built in the late 1930s. Two prototypes were built; performance was satisfactory, but the design was overtaken by the fielding of long-range, land-based bombers by Soviet Naval Aviation and cancelled in 1940.
The Sikorsky S-10 was a Russian military twin-float seaplane that served with the Russian Navy's Baltic Fleet from the summer of 1913 to 1915. After Igor Sikorsky built the successful Sikorsky S-6 for the Russian military, he tried to build another successful aircraft for them. The S-10 was a modified S-6B built by the Russo-Baltic Carriage Factory. Approximately sixteen production versions of the S-10 were built. It had a less powerful engine and generally weaker structure than the S-6. They had either an 80 hp Gnome Monosoupape or a 100 hp Argus Motoren engine. Some were deployed on the world's first operational seaplane carriers.
The Grigorovich M-1 was a single engined flying boat designed by Dmitry Pavlovich Grigorovich and built in Russia in 1913.
The Grigorovich MK-1 was a large trimotor floatplane, built and tested in Imperial Russia in 1916.
The Grigorovich MU-2 was a trainer flying boat built in the Soviet Union in the mid-1920s. It was designed by the Grigorovich Design Bureau after the failure of the Grigorovich MUR-1, featuring an all-metal hull. However, it was never put into production due to poor performance and sluggish take-off behavior.
The Grigorovich MUR-1,, was a trainer flying boat built in the Soviet Union in the mid-1920s.
The Grigorovich M-19 was a reconnaissance flying boat designed by Grigorovich in the late 1910s. The M-19 was a Grigorovich M-9 modified to be of the same size as the Grigorovich M-15. Assembly of the prototype was started in 1918, but the aircraft was not completed.
The Grigorovich M-23bis was a Soviet biplane flying boat built during the 1920s.
The Grigorovich ROM-1 was a long-range reconnaissance flying boat designed by the Grigorovich Design Bureau for the Soviet Navy in the late 1920s.
The Grigorovich ROM-2 was a long-range reconnaissance flying boat designed by the Grigorovich Design Bureau for the Soviet Navy in the late 1920s.
The Grigorovich MRL-1 was a long-range reconnaissance flying boat designed by the Grigorovich Design Bureau for the Soviet Navy in the mid-1920s.
The Grigorovich MR-2 was a long-range reconnaissance flying boat designed by the Grigorovich Design Bureau for the Soviet Navy in the late 1920s.
The Grigorovich MR-3 was a prototype maritime patrol flying boat built in the Soviet Union during the late 1920s that was not accepted for production.
