That's Air Hollywood's B-747 set.[1]
They have other aircraft sets, an air terminal set, and supporting props, such as uniforms, beverage carts, and such.
Those kind of sites often "rent" out things owned by others - if you're near LA and build a full-scale replica of something, there's a studio company willing to rent it.
ngruhn 24 hours ago [-]
Is there a word that combines wholesome and insane?
[1] https://airhollywood.com/aviation-sets/wide-body-747/
Parents, take note on how childhood experiences influence people for the rest of their lives...