If you find yourself suddenly unable to rotate objects in Blender, it might be caused by the "Move object centers only" option. Just turn it off.
I just wrote a larger piece for the "…zomg it works!" (a programmers' blog in Croatian language) entitled "Mathematical perfection and piloting" (Matematičko savršenstvo i pilotiranje) so I'm inviting those of you following this blog, but not "…pa to radi!" to plug in and read it.
It's quite long, but meh. Read it or suffer my wrath. You'll suffer either way.
For those of you non-fluent in Croatian, hop on and read the poorly auto-translated edition. I don't feel like rewriting it in English.
Title means "AI in flightsims". The article was previously posted on incorrect blog since it was written in Croatian. You can now find it on "…pa to radi!!!: AI u letačkim simulacijama".