I have done an overview for editing the game here (among other things):
https://www.subsim.com/radioroom/sho...d.php?t=240392
But I notice that you did respond in that thread
What you need to edit files is a simple hex editor, maybe the free Notepad++ can do it, but there are other free editors to download.
A specific menu-driven tool to edit AOD files doesn't exist to my knowledge.
XS