SIAI S.9

SIAI S.9
Role	Flying boat
Manufacturer	S.I.A.I.
First flight	1918
Primary users	Italian Air Force Finnish Air Force
Variants	SIAI S.12

SIAI Savoia S.9 was an Italian reconnaissance flying boat manufactured by Societa Idrovolanti Alta Italia (S.I.A.I.) from 1918. The wing structure was unusual in being a single-bay biplane wing with additional struts mounted mid bay at the junction of the flying and landing wires so that it appeared to have a two bay wing.

Operators

 Finland

• Finnish Air Force

 Kingdom of Italy

• Corpo Aeronautico Militare
• Regia Aeronautica

Specifications (S.9)

Data from Suomen Ilmavoimat I

General characteristics

• Crew: 2
• Length: 10 m (32 ft 10 in)
• Wingspan: 13.2 m (43 ft 4 in)
• Height: 3.9 m (12 ft 9 in)
• Wing area: m² (ft²)
• Empty weight: kg (lb)
• Useful load: kg (kg)
• Max. takeoff weight: 1,740 kg (3,828 lb)
• Powerplant: 1 × Fiat A.12bis, 224 kW (300 hp)

Performance

• Never exceed speed: km/h (knots, mph)
• Maximum speed: 140 km/h (75 knots, 86 mph)
• Cruise speed: km/h (knots, mph)
• Stall speed: km/h (knots, mph)
• Range: km (nm, mi)
• Service ceiling: m (ft)
• Rate of climb: m/min ()
• Wing loading: kg/m² (lb/ft²)
• Power/mass: W/kg (hp/lb)

Armament

• 1 × machine gun
• 50 kg (110 lb) of bombs

References

• Keskinen, Kalevi; Partonen, Kyösti and Stenman, Kari: Suomen Ilmavoimat I 1918-27, 2005. ISBN 952-99432-2-9.
• Keskinen, Kalevi; Stenman, Kari and Niska, Klaus: Suomen ilmavoimien lentokoneet 1918-1939, Tietoteos, 1976.