If you know a little vbscript you can search in CATRsc files something like (bellow is just an example)
// Shortcut
ACOClaCreationWbenchHeader.FSFlipCompassBaseHead.Accelerator = "F5";
ACOClaCreationWbenchHeader.FSSetCompassHead.Accelerator = "F6";
ACOClaCreationWbenchHeader.FSResetCompassHead.Accelerator = "F7";
// meme short-cut utilise par MainDialog pour modif de selection
//ACOClaCreationWbenchHeader.FSDropCompassPlaneHead.Accelerator = "F8";
So, search inside those files keyword Accelerator and extract all the lines in a list (then you can share with us if you want). And indeed , I've done a confusion, in v6 you can see the shortcut keys in Commands List pull down menu...