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parallel runways, one hard, one soft

adr179

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slovenia
In FSX I have an airport with parallel runways, one is 2.5 km long and is hard surface, the other north-east of it is 1.3km long and soft surface, both runway's heading is ~325 degrees. I'm trying to achieve a situation, where GA traffic would only use the soft runway and bigger aircraft would use the hard one. This is actually happening for traffic approaching my airport from easterly directions, but traffic approaching from west starts pattern and actually lands on the hard surfaced runway and disappears after landing - that is expected, since there are no apropriate parking spots connected to hard surfaced runway to acomodate GA aircraft. What surprised me is a fact that nearby soft runway that has plenty of parkings for GA aircraft is completely ignored. I know I have two or 3 options how to solve this problem, but soulutions that crossed my mind are not really good ones, since they won't prevent GA traffic from landing on hard surfaced runway. Is it possible to solve my situation in a clean cut manner, by purely coding the AFCAD that will force use of soft runway for GA?
 
#1 One solution, though not elegant, would be to set the soft runway up as a separate airport, and then adjust all of your GA's flight plans to fly to that airport only.

This would have a number of drawbacks a) you'd have two airports in your map view, and b) it is not realistic...there is no EGLL2 to go with EGLL, for example. c) you would have to change your GA aircraft's flight plans.

#2 My other suggestion is to do a search here at FSDev. There have been discussions in the past about the conditions under which AI aircraft land and at which runways. If memory serves the weight of the aircraft (as per aircraft.cfg) has a bearing on the runway choice, if multiple choices exist as in your airport. Of course wind direction overrides all.

Solution #1 would absolutely work 100%, but it would have the drawbacks I mentioned.
 
Thanks for your reply Mace, but solution #1 is out of question.

Weight of aircraft doesn't work - at least not in my situation, where aircraft
always takes the nearest downwind and fles the pattern for that runway, regardless of the fact (and I was hoping, that this fact will force certain types of aircraft to use the grass runway) that there are no parking spots associated with that particular runway. Instead of that they prefer to use the nearest runway and then disappear after landing.

I can always save my day by editing some AI Aircraft.cfg files to force them to use grass runways only(not even sure, that this method would work), but that is way off something a person woul call a clean job.

Another solution would be to connect the GA parking spots network with the hard surfaced runway, but that results in unrealistic traffic flow also.
 
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