Savoia-Marchetti S.66

S.66
Role Flying boat airliner then search and rescue
National origin Italy
Manufacturer Savoia-Marchetti
First flight 1931
Introduction 1932
Retired 1939 (civil use)
1943 (military)
Status Retired
Primary users Ala Littoria
Regia Aeronautica
Number built 24
Developed from Savoia-Marchetti S.55

The Savoia-Marchetti S.66 was a 1930s Italian twin-hull flying boat designed and built by Savoia-Marchetti as an enlarged development of the S.55.