Like Flaxpants, this is an issue I've thankfully never had and I easily have 200 hours or more of play time on the game over the years (120 this year alone).
I always save when dived just as I'm engaging convoys as many is the time I've knocked PrtScrn instead of F12 and caused my game to crash due to the resfix mod, losing hours of stalking, shooting and evading.
What exactly is the nature of the death dive, an uncontrolled dive that even blowing ballast can't save?
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In danger of becoming the resident Windows 7 apologist 
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