Savoia-Marchetti S.66 (Italy, 1931) Savoia-Marchetti S.71 (Italy, 1930) Savoia-Marchetti S.72 (Italy, 1934) Savoia-Marchetti S.73 (Italy, 1934) Savoia-Marchetti SM.75 (Italy, 1937) Savoia-Marchetti SM.79 (Italy, 1934) Savoia-Marchetti SM.81 (Italy, 1934) Savoia-Marchetti SM.82 (Italy, 1939) Savoia-Marchetti SM.83 (Italy, 1937) Savoia-Marchetti SM.84 (Italy, 1940) Short S.8 Calcutta (UK, 1928) Short Rangoon (UK, 1930) Short Valetta (UK, 1930) Siemens-Schuckert R.I (Germany, 1915) Siemens-Schuckert R.II (Germany, 1915) Siemens-Schuckert R.III (Germany, 1915) Siemens-Schuckert R.IV (Germany, 1916) Siemens-Schuckert R.V (Germany, 1916) Siemens-Schuckert R.VI (Germany, 1916) Siemens-Schuckert R.VII (Germany, 1917) Sikorsky S-35 (US, 1926) SPCA 40T (France, 1929) SPCA 90 (France, 1932) SPCA Météore 63 (France, 1925) Spartan Cruiser (UK, 1932)