 GEOG: In the scene with the kids visiting the TRACON where they all  work, a plane departs that doesnt call the controller and this ends  up causing a near collision. The airport image on the radar scope is  of Newark Liberty International (you can tell by the two lines  running essentially North/South that represent the two parallel N/S  runways 4L/22R and 4R/22L). However, when the scene changes to the  actual plane on an actual runway departing North, you see it pass  over simply the number "4" and then immediately over water. This can  only be LaGuardia Airport as it is the only airport of the three in  New York (JFK, LaGuardia, Newark) that has only one N/S runway (4/22  