I have good news for all SoF players who experience black sky in the 3D outside world with some grafic cards. My fix will resolve that.
You need to install the mod from Der Schmutt, 'U-Boote Kurs West! v.1.0' and then install this fix. Install instructions are included. Here is the download link:
http://www.subsim.com/radioroom/down...o=file&id=5500
Gute Jagdt, Herr Kaleun!
XS