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.
Savoia-Marchetti S.66
Rear quarter view of Ala Littoria's Savoia-Marchetti S.66 with registration marking I-REDI.
Savoia Marchetti S.66 3-view drawing from L'Aerophile October 1932
The Savoia-Marchetti S.55 was a double-hulled monoplane flying boat designed and produced by the Italian aircraft manufacturer Savoia-Marchetti. It was designed to perform both commercial and military applications.
Savoia-Marchetti S.55
A Romanian S.55 in 1943
SIAI S.55X
Savoia-Marchetti S.55, registration I-BAUQ at TAM Museum, São Paulo Brazil