For those interested in having a cockpit in the X3 games on Mac: (maybe Linux too?)

1.) Go to the egosoft forums and download Imps cockpit mod.
2.) Run the exe with Wineskin/Bootcamp etc.
3.) When it says there is no install of X3 present, just continue.
4.) The folder with files that is created will have a .dat and .cat file.
5.) Go to your game folder: X3/contents/resources/game and check all the numbers before all the .cat/.dat files that are in there.
6.) Rename the 2 mod .dat and .cat files to a number following the last one in your X3 game directory. For example; mine went up to 9, so I renamed the mod files to 10.dat and 10.cat
7.) Place the mod files in your game folder.
8.) Start the game and don't select any mods.
9.) You should now have cockpits in any of the X3 games.

I've never posted anything like this ever, so sorry if something is not clear or if this has already been posted somewhere on the boards.

Hopefully other Mac users can now enjoy cockpits in X3!

Thanks for the post @Weynonmonk! That's a nice, short, to-the-point explanation =)

Resources for Mac and Linux users are significantly harder to come by—the key with X3 being that you need Wine to handle unpacking the mod executables and apply the cat/dat files manually.

I wrote a significantly longer post detailing these and other steps a couple years ago when I was trying to get XRM installed. I covered mod installation for Windows/Mac/Linux, so my post can be pretty hard to skim through for the relevant parts. Your explanation is far better for non-Windows users.

I used PSCO1's cockpit mods, and I also covered MARS Fire Control and a few other popular X3 mods in there with some basic installation details—in case you're interested in burying yourself further in the expansive X3 modding community ;)