BTW I only use FSX ATC for VFR flights nowadays for which it is great: the biggest problem with FSX ATC and airliners was the constant change of heading (vectoring you all over the country) and the constant handing over to other controllers.

 

I recently took a flight out of Santa Barbara to the north.  Before I got over the nearby mountain ridge I got 7 or 8 frequency changes.  One thing I have learned is to avoid altitudes like 10000 feet.  If you fly a tad above it they'll switch you to Center, a tad below it and they'll switch you back to approach.  The altitude is different in some places but you can figure it out some if you're going from the same two controllers back and forth.

[offtopic]

 

 

As for the constant handing over to other controllers, it is a reflection to real world in 2006 when it came out. If you check the real world atc centers coverage, you will see that true to the real world.

Most likely correct, but: I really doubt that the borderline of the area of responsibility of ATC is exactly the same as that nation's borderline, but rather a straight line following some airway (or maybe something similar), because those extremly frequent freq changes (which you will get in FSX when you are enroute more or less along the border of two countries) seem completely unecessary to me in real world. Wouldn't that distract both pilots and controllers from possible more important tasks than handing off one and the same aircraft every few seconds?

Sorry for going off topic.

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Most likely correct, but: I really doubt that the borderline of the area of responsibility of ATC is exactly the same as that nation's borderline, but rather a straight line following some airway (or maybe something similar), because those extremly frequent freq changes (which you will get in FSX when you are enroute more or less along the border of two countries) seem completely unecessary to me in real world. Wouldn't that distract both pilots and controllers from possible more important tasks than handing off one and the same aircraft every few seconds?
Sorry for going off topic.

 

Real world, if an airplane under a controller's jurisdiction would clip the airspace of another one's he would call him and give him a 'point out' and the two would work it out without hounding the pilot with frequency changes.