User blog comment:WolfgangBSC/Wolfgang's Random Chat Room/@comment-24787182-20150325145918/@comment-10905876-20150325151344

Err, any ship much longer than 700 meters won't turn in game, it just doesn't work....

Same glitch that prevents flying ships from turning too. You can be guaranteed that the Lord Pemberton, Endymion, First Emperor and Thomas Zumwalt all do not turn one degree in game.