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 131 of 151.

Sikorsky (USA) S-51. It is related to Sikorsky (USA) (the company) .
Sikorsky (USA) S-61. It is related to Sikorsky (USA) (the company) .
Sikorsky (USA) S-61 Sea King. It is related to Sikorsky (USA) (the company) and Sikorsky (USA) S-61 (the aircraft) .
Sikorsky (USA) S-61L. It is related to Sikorsky (USA) (the company) and Sikorsky (USA) S-61 (the aircraft) .
Sikorsky (USA) S-61N. It is related to Sikorsky (USA) (the company) and Sikorsky (USA) S-61 (the aircraft) .
Sikorsky (USA) S-62. It is related to Sikorsky (USA) (the company) .
Sikorsky (USA) S-64 Skycrane. It is related to Sikorsky (USA) (the company) .
Sikorsky (USA) VS-300. It is related to Sikorsky (USA) (the company) .
Sikorsky (USA) VS-44A. It is related to Sikorsky (USA) (the company) .
Sikorsky S-76. It is related to Sikorsky (the company) .
Sirocco. It is related to Sirocco (the company) .