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clayton4115

Cannot select propert OAT in FMC (pic)

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as you can see from the pic, in the southern hemisphere i have this problem sometimestonite i wanted to do a flight from YMML to YSSY the temperature was 7c i wanted to put it in but i had to go all the way to 22c to accept it,why is this? sometimes it works sometimes it doesnt.ive tried 07 007 7 doesnt work.rgds.http://forums.avsim.net/user_files/120286.jpg

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Brrrrrrr [h4]Randy J. Smith[/h4]


Randy J Smith

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how did you guess, my fingers are freezing as i type, and im in brisbane:(

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Clayton,You are trying to enter a SEL temperature. Min SEL temp possible to enter is, I think, 15


Mats Johansson
PMDG Flight Test Dept
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oh greatthanks for the info, never knew that, so i will put 15c from now on if OAT is <15.rgds

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Guest Stefan Bergert

I think you should enter the outer air temperature on the perf init page (should be on the right side...maybe LSK 3R). This entered OAT-value might (don't know) be transferred to the N1-Limit page you showed in your screenshot.Regards,Stefan

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Actually from what I understand you don't want to put anything in there UNLESS you want to de-rate your engines. Basically what you do by adding this is to make the engines think it is a different temperature than what it really is. If I am wrong I am sorry but that is just what I remembered.


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