Seaplanes & amphibians1915 flying boat model by Grigorovich
M-5

Grigorovich M-5 (alternative designation Shch M-5, sometimes also Shchetinin M-5) was a successful Russian World War I-era two-bay unequal-span biplane flying boat with a single step hull, designed by Grigorovich. It was the first mass production flying boat built in Russia.
Summary from Wikipedia, photo via Wikimedia Commons, licensed under CC BY-SA.
- Manufacturer
- Shchetinin
- Category
- Seaplanes & amphibians
- First flight
- 1915-05-01
Specifications
- Max speed
- 57 kt
- Service ceiling
- 10,800 ft
- Rate of climb
- 364 ft/min
- Max takeoff weight
- 2,116 lb
- Empty weight
- 1,455 lb
- Powerplant
- Gnome Monosoupape 9 Type B-2 9-cyl. air-cooled rotary piston engine
- Engines
- 1
- Seats
- 2
- Length
- 28.3 ft
- Wingspan
- 44 ft
- Number built
- 300
Specifications are approximate and may vary by variant. Compiled from Wikipedia (CC BY-SA).
Reference and training only. Specifications vary by variant — consult the manufacturer and the official documents.