Aircraft These are not all the airlines in the world but the ones that hold hands with the SFO Museum collection. There are 1,809 airlines and this is page 125 of 151.

Santos-Dumont 20 Demoiselle. It is related to Santos-Dumont (the company) .
Santos-Dumont 21 Demoiselle. It is related to Santos-Dumont (the company) .
Santos-Dumont 22 Demoiselle. It is related to Santos-Dumont (the company) .
Saunders-Roe SR.45 Princess. It is related to Saunders-Roe (the company) .
Savoia-Marchetti S-55. It is related to Savoia-Marchetti (the company) .
Savoia-Marchetti S.55X. It is related to Savoia-Marchetti (the company) .
Savoia-Marchetti S.74. It is related to Savoia-Marchetti (the company) .
Savoia-Marchetti SM.55X. It is related to Savoia-Marchetti (the company) .
Schweizer 300C. It is related to Schweizer (the company) .
Schweizer SGS 1-26B. It is related to Schweizer (the company) .