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Strange behaviour of AI airplanes

P

PHo17

Charter Member
Some AI airplanes doesn't land properly on airfields. I have noticed at least two anomalies.

1. Some planes descend (actually land) at the sea/earth level far before the start of runway and continue at this level to the runway.

2. Some others dive deeply before the final and disappear (before the final i.e. they never land). Even these ones appear on the stand after a while.

I am aware of the anomalies caused by lacking/too small stands or missing taxi ways/connections. In this case neither of these is the problem. There is plenty of room on the airfield and no faults.

What might be the reason for this odd behaviour?
 
PHo17 said:
Some AI airplanes doesn't land properly on airfields. I have noticed at least two anomalies.

1. Some planes descend (actually land) at the sea/earth level far before the start of runway and continue at this level to the runway.

2. Some others dive deeply before the final and disappear (before the final i.e. they never land). Even these ones appear on the stand after a while.

I am aware of the anomalies caused by lacking/too small stands or missing taxi ways/connections. In this case neither of these is the problem. There is plenty of room on the airfield and no faults.

What might be the reason for this odd behaviour?
Click to expand...

What AI airplanes are you experiencing this with?

This type of problem is commonly experienced when one tries to convert a user flyable aircraft to an AI aircraft without creating an appropriate custom AI aircraft FDE (flight dynamics) to use with it.

The FDE or flight dynamics for many user flyable aircraft will not work well when used for an AI aircraft.
 
I've noticed this mostly with my airliners, they will exhibit the same strange behaviors. I can only assume this is an AI bubble issue when the AI engine starts as the player loads the sim up. I have over 20k AI with all my MAIW, so FSX takes some time to load during the 90% "loading traffic" section. I'll have to see if Super Traffic Board will show anything. I just had it happen as I was testing the latest MAIW release (RNAS Culdrose), a B767 was on the ground away from any airport.
 
mikewmac said:
What AI airplanes are you experiencing this with?

This type of problem is commonly experienced when one tries to convert a user flyable aircraft to an AI aircraft without creating an appropriate custom AI aircraft FDE (flight dynamics) to use with it.
...
Click to expand...

I have noticed this earlier with several AI airplanes (I don't even remember anymore), but this last one appearance wasn't due to that at all I think. The AI airplane was AIA Boeing B767-300 with winglets (I used the one that came with WoAI package) made only for AI traffic and used by several AI flightplan authors.

Pekka
 
Victory103 said:
I've noticed this mostly with my airliners, they will exhibit the same strange behaviors. I can only assume this is an AI bubble issue when the AI engine starts as the player loads the sim up. I have over 20k AI with all my MAIW, so FSX takes some time to load during the 90% "loading traffic" section. I'll have to see if Super Traffic Board will show
...
Click to expand...

I have also a lot of AI traffic from several AI makers (WoAI, MAIW,...) and some made by myself too. I have noticed too that this problem is most common just after starting on some airfield. Must check if the same repeats while staying longer time on the very same airport. Thanks for the HU.

Might this depend also on the airport, because I don't find this happen on all airports?

Pekka
 
Waiting really helped. After staying 20-30 minutes on airfield landings returned more or less normal though some (very few) AI airplanes still continued this strange behaviour. To me it seemed that this happens on very busy airports.
 
When first starting the sim, the AI engine is overwhelmed at busy airports because the many, many schedules are not completely timed through. Any flights that started before your start time must be completed, while those scheduled to start as you start must be integrated in. That's why you will see long lines waiting to take-off and land, and you will see many wave-offs or go-arounds. The slow default taxi speeds after touchdown only make these worse. It's also why you will see many aircraft disappear while sitting in line, or attempting to land. The AI engine only allows each aircraft to be shown for so long at a particular site. There are a few programs that allow you to change some of these taxi speeds to more accurate speeds, which help immensely. There are also a couple that "thin out" the incoming traffic during these start-up periods, which also help a lot. They allow the AI engine to catch up to the schedules. Unfortunately, I don't have access to my file storage HDD right now, so I don't have those program names handy. I'm sure some of the others here know them, and can chime in. You're later post saying things straightened out after some time had passed confirms this as the main source of your problems.

Don
 
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