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Weather injection.

vololiberista

vololiberista

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In PF3 we want to make the instruction "Expect runway xx...." at the start of a STAR much more accurate. We have been discussing the ATIS function and it would appear that if you listen to the ATIS too far away from your destination it gives the wrong runway. In reality of course when you report to approach "Speedbird 2578 with Charlie" that implies that you have "just" listened to the ATIS which of course is the correct procedure. The wrong runway being the default. It seems that default weather is set everywhere even if you are using a weather engine.

The question is this if anyone knows. At what distance from a destination does weather injection become live? Is there a bubble of real life weather around the a/c. If one could find the answer then the ATIS in PF3 could be adapted to give the real weather instead of the default. Is there a boundary dependent on the actual weather engine in use? or is it arbitary?
 
Not sure where the exact problem is. Wind direction and thus runway changes may very well occur in the time between obtaining weather information and handoff to approach and in that case, the crew has to adapt their STAR accordingly.

The player "bubble" in MSFS is 100 nm or so. It's the radius that AI aircraft are tracked in, so it might also apply to weather.
 
Heretic said:
Not sure where the exact problem is. Wind direction and thus runway changes may very well occur in the time between obtaining weather information and handoff to approach and in that case, the crew has to adapt their STAR accordingly.

The player "bubble" in MSFS is 100 nm or so. It's the radius that AI aircraft are tracked in, so it might also apply to weather.
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Hi Bjoern,
Currently one can request ATIS for the destination at any point. And there have been "complaints?" that it changes nearer the destination. The earlier transmissions giving in effect default weather and not the injected weather. There are ways of "forcing" destination weather but that shouldn't be necessary. I think the best route is to determine when and where the weather report becomes accurate and make it unobtainable beyond that point.
 
Make sure that the weather conditions do not change at the destination itself while testing ATIS accuracy.
 
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