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 26 of 151.

Boeing 727-222. It is related to Boeing (the company) and Boeing 727-22 (the aircraft) and Boeing 727 (the aircraft) .
Boeing 727-223. It is related to Boeing (the company) and Boeing 727-22 (the aircraft) and Boeing 727 (the aircraft) .
Boeing 727-227. It is related to Boeing (the company) and Boeing 727-22 (the aircraft) and Boeing 727 (the aircraft) .
Boeing 727-22C. It is related to Boeing (the company) and Boeing 727-22 (the aircraft) and Boeing 727 (the aircraft) .
Boeing 727-230. It is related to Boeing (the company) and Boeing 727 (the aircraft) .
Boeing 727-231. It is related to Boeing (the company) and Boeing 727 (the aircraft) .
Boeing 727-232. It is related to Boeing (the company) and Boeing 727 (the aircraft) .
Boeing 727-233. It is related to Boeing (the company) and Boeing 727 (the aircraft) .
Boeing 727-25. It is related to Boeing (the company) and Boeing 727 (the aircraft) .
Boeing 727-251. It is related to Boeing (the company) and Boeing 727-25 (the aircraft) and Boeing 727 (the aircraft) .
Boeing 727-264. It is related to Boeing (the company) and Boeing 727 (the aircraft) .