Chyetverikov SPL
Chyetverikov · Soviet Union · first flew 1935 · reconnaissance aircraft
The SPL, also known as the OSGA-101 and Gidro-1, was a submarine-borne folding flying boat designed and built in the USSR from 1931.
Recognition (WEFT)
| W — Wings | High-mounted, straight |
|---|---|
| E — Engines | 1 × piston, fuselage-mounted |
| F — Fuselage | 7.4 m fuselage |
| T — Tail | Twin fin |
WEFT is AircraftIQ's four-point recognition method — how it works.
Spot it by:
- Small folding flying boat for carriage aboard a submarine
- High-wing monoplane
- Twin-tail layout
A small folding flying boat with an M-11 engine. It is 7.4 m long with a wingspan of 9.5 m.
Specifications
- The Chyetverikov SPL has a length of 7.4 m (24 ft).
- It has a wingspan of 9.5 m (31 ft).
- Its maximum speed is 186 km/h (116 mph).
- Typical crew: 2.
Figures are for the representative variant described above; marks differ. See how AircraftIQ sources figures.
History
The name SPL stands for Samolyet dlya Podvodnikh Lodok, meaning aeroplane for submarine boats. It first flew in July 1934.
Variants
The OSGA-101 was a non-folding first prototype built to prove the design. The SPL prototype was renamed Gidro-1 after transfer to Osoaviakhim.
Where you'll see it
It was designed to be carried aboard submarines, with a crew of two.
Related aircraft
AircraftIQ — the aircraft field guide: 8,606 recognition guides, live overhead identification, works offline.