Rocky...
I haven't watched my MAC DVDs in a while (BAD Old Fan), but I'm pretty sure that Rock the Cradle was shot in that Pitt Meadows hangar, also Blind Faith is there as well, and the end of Halloween Nights where Mac says goodbye to Murdoc's sister - is on a runway there. I think also The Odd Triple... that whole beginning part where Mac uses the fire suppressant foam to elude from the French police as they take off in the jet.
Also SG-1's Tangent - the beginning where Teal'c is showing off the X-301 to Generals Hammond and Verdrine. And Touchstone - at the end when SG-1 finds the 2nd Gate in a hangar along with the Touchstone and the baddies escape by jumping into the Gate. Probably a few others, but my memory is fading (Hey... I'm OLD fan remember?)
I looked on the Pitt Meadows airport website and they did do some major redevelopment and renovations to the hangars in the 90's - as much of Vancouver has also changed - all just making it more of a challenge for us Mac fans to find these locations. More satisfaction when we do find them though!
That which has been established will endure even with time and at a distance.
I can't tell you anything about what happens after the cameras go off, mostly because I'm usually unconscious by then.