SIAI S.21
SIAI · Italy · first flew 1921 · light aircraft
The SIAI S.21 was an Italian racing flying boat built by SIAI for the 1921 Schneider Trophy race.
Recognition (WEFT)
| W — Wings | Mid-mounted, straight |
|---|---|
| E — Engines | 1 × piston, wing-mounted |
| F — Fuselage | 7.62 m fuselage |
| T — Tail | Conventional |
WEFT is AircraftIQ's four-point recognition method — how it works.
Spot it by:
- Biplane racing flying boat
- Single pusher engine
- Wingspan almost equal to the length
Look for a small single-seat biplane flying boat with a pusher engine, built for racing.
Specifications
- The SIAI S.21 has a length of 7.62 m (25 ft).
- It has a wingspan of 7.69 m (25 ft).
- Its maximum speed is 290 km/h (180 mph).
- Typical crew: 1.
Figures are for the representative variant described above; marks differ. See how AircraftIQ sources figures.
History
It first flew in 1921. It was powered by a 300 hp Ansaldo San Giorgio 4E-14 engine.
Variants
Only one example of the S.21 was built.
Where you'll see it
It was built for the 1921 Schneider Trophy race, with Italy as its user.
Related aircraft
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