[PeterD]

I successfully instaled your charming MiG-15bis into my 4.09install with SAS_modactivator and SAS_buttons v.2.21.
I noticed that your installation arranges the plane listing in air.ini file alphabetically, but you were so kind that automatically BACKUP the original SAS well-arranged file, so it may be used as before the installation.
Many thanks to you for this bird, and congratulations.

That's correct. I'm not a big fan of having them sorted alphabetically but yes, there is a backup file just in case anything goes wrong.