Savoia-Marchetti S.57

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Role Biplane reconnaissance flying boat
Manufacturer Savoia-Marchetti
First flight 1923
Primary user Regia Aeronautica
Number built 20

The Savoia-Marchetti S.57 was an Italian single-engine biplane flying boat intended for aerial reconnaissance, built by Savoia-Marchetti for Regia Aeronautica after World War I.

Of wooden construction with a single-step hull, with pilot and observer/gunner in tandem open cockpits in the bow, the S.57 was powered by a single 186 kW (250 hp) Isotta-Fraschini V6. The observer had a single ring-mounted 7.7 mm (.303 in) FIAT machine gun.

Eighteen S.57s were accepted by Regia Aeronautica in 1925 and used as trainers.

A sole S.57bis (improved) was built, with a 224 kW (300 hp) Hispano-Suiza 42 engine.



General characteristics

  • Crew: 2
  • Wingspan: 11.25 m (36 ft 11 in)
  • Gross weight: 1,605 kg (3,538 lb)
  • Powerplant: 1 × Isotta-Fraschini water-cooled 6-cylinder vee engine, 186 kW (250 hp)


  • Maximum speed: 215 km/h (134 mph)


  • 1 × 7.7 mm (.303 in) machine gun (observer)

See also[edit]

Related lists


  • Donald, David, ed. Encyclopedia of World Aircraft, p.820, "Savoia-Marchetti S.57". Etobicoke, Ontario: Prospero Books, 1997.