If you want to see the movie that inspired Airplane!, watch Zero Hour.
https://en.wikipedia.org/wiki/Zero_Hour!
Side by side highlight comparison of Airplane versus Zero Hour, the parody film was based on.
https://m.youtube.com/watch?v=8-v2BHNBVCs
I didn’t know that...I always assumed it was “Airport”...
Now I am goingo to have to check it out...:)