I am sorry to hear that you had the CTD, however what would be really helpful for us is if you could send us the details and we can try to replicate the CTD and fix it. Thank you.
SU2 is not formally compatible yet with the A350. As per this link. https://discord.com/channels/535246634448191499/536366292861452288/1354200747058794506
Could you confirm you are still having issues with connecting to Navigraph? We are in contact with Navigraph to rectify connection issues as stated in the dev stream.