Some years ago there was an S-Boot mod for SH3 but I don't know if it was ever completely finished.
A series of mods for all cargo vessels in Silent Hunter III. Name Description File size Author Download link MerchantMod part 2 *NEW* Part two of the *MerchantMod* series. If you have any feedback/comments/problems with these mods, please feel free to come along to our. If your mod is larger than 5Mb please email us first so we can arrange hosting. Please include your name, details about the mod, and anything else relevant. If you think your mod’s good enough then send it in to and it’ll be hosted shortly afterwards. If you install any file from these links you do so at your own risk. Silent Hunter III Community Modifications - Please bear in mind that these are not official Ubisoft partners and we do not endorse their mods, any changes you make to your game installation, using these mods or otherwise, could render your installation useless.