This is, without any doubt, the WORST movie involving airplanes in the entire history of movies, and also one of the WORST movies, period. Good thing I was alternating between this movie and "Corrina, Corrina" on TV, I thought the latter was by far more interesting. But the point is: the guys not only directly copy Air Force One and Executive Decision, but also don't know anything about aviation.
I mean how on Earth is there supposed to be this little trap at the belly of the 747, right on spot? How is there supposed to be this elevator that goes straight to the cargo section? Why on Earth is that plane bearing the livery of the inaugural 747 flight from Boeing? They were too cheap to take shots of a plane themselves, so they took footage from Boeing. Why is that "TERRAIN - PULL UP" or "TOO LOW - GEAR" alarm ringing when the aircraft is flying at cruising altitude? One last thing: the realistic ending of the movie would have been the 747 crashing and burning in Santa Monica and having half the population of Los Angeles killed either with the fire or the chemical toxin, because it is impossible to land a plane that easily (and so nicely aligned with the runway)! Overall, this movie is the worst of all, the acting is awful, the plot is awful, it made me think: "How lower can you sink?"