Aircraft These are not all the airlines in the world but the ones that hold hands with the SFO Museum collection. There are 1,773 airlines and this is page 123 of 148.

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) .
Schütte-Lanz D.III. It is related to Schütte-Lanz (the company) .
Schütte-Lanz D.IV. It is related to Schütte-Lanz (the company) .
Scottish Aviation Jetstream T1. It is related to Scottish Aviation (the company) .
Scottish Aviation Twin Pioneer. It is related to Scottish Aviation (the company) .
Scottish Aviation Twin Pioneer 3. It is related to Scottish Aviation (the company) .