Mod Edit: Translated title to remain in compliance with Forum language rules.
Ok so I bought the Pilates dc 12 and encountered same issue as everyone else. ATC tells us to reach 30k feet. Problem? After a while it says mission failure because oxygene.
I know some of you say keep lower altitude as below 18k. But how do I notify ATC about this? I tried requesting altitude change but anything below 20k doesnt work.
Is there a way to come around this without failing mission steps such as not obeying ATC calls.
And also, is there a way from start that ATC doesnt request 30k+ altitude? How? Please let us newbies as me, know. If you could perhaps show as screenshots aswell?
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In the EFB before the mission starts, change the cruise altitude, and then hit the File with ATC button.
Legend. Thank you. I will try this for next flight.
I will just skip to descend for my ongoing now.
Have you encountered the same “issue” that everytime you do a cargo flight with this aircraft, its alwsys ■■■■small runways? Kinda impossible to land
Enable Oxygen-Supply. There is a lever that you have to move upwards. Cheers 
This didn’t work a couple days ago according to others. Did they fix it?
Where is that lever located?
On the Co-Pilots side left of the Control Yoke. Oxygen is required at 14.000ft and above.
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Does this work though? People have reported as i could read on some posts that it doesnt work even when you enable this.
it is verified to be broken… I may have seen where the switch is there, but there is no oxygen supply setting modeled… So the plane doesn’t have a working O2/Pressurization system from what I understand.
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It worked for me just an hour ago.
My Specs:
Apple iMac 27"
Windows 10
I bought the MSFS24 in Store
Hmm. I will try this out. Im playing this on Xbox
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I was cruising at 30k altitude. The warning came up, and I enabled pilots oxygen after I passed 14k. This didnt work so I had to decrease my altitude to below 18k. Ill set a different flight plan to ATC from now on
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I tested it now and you are correct. Doesnt work.
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I also tried it again. I seems to be an occasional problem. I had flights without warning and now again a flight with warning. Hopefully they will fix it.
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Hope so too. Too bad they have so many bugs 
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There are some bugs but all over I believe that a lot of “Bugs” being discussed are just about not knowing the aircraft systems. Being a pilot still you can´t know all of the different aircraft type. I am glad they released MSFS2024 because the immersion is much better than MSFS2020. The simulation tho is more realistic in MSFS2020. It will improve 
I agree. Im happy aswell. Just frustrated. Like now, i was flying for 2h and suddenly “unexpected error”… 2h for nothing.