Ability to save Aircraft to favorites list

Huge improvement, yes, but does involve more than very little effort.
It’s not as trivial as it looks, there’s always knock on effects (design etc) even for so called “it’s simple, it should only take you 5 minutes” changes.

Welcome btw!

ps: You can use the freebie favorites in the meantime, if it suits you: New Utility Release - Aircraft Manager Free