[mookiemookie]

Originally Posted by reallydedpoet

SH3 Commander has the sabatoge\malfunction ( which can be turned on or off ) option as well, it may have been that. I was in the North Sea last night did a couple of checks: flank speed, it worked; crash dive, did not, would not level out, so I surfaced then headed home.

Originally Posted by mookiemookie

I had no damage to my ship on either one of these patrols, and I don't suspect it's a SH3 Commander sabotage/malfunction deal as it's happened in two separate patrols in a row.

I tested it. It was the savegame file. I must have screwed up and saved while submerged without realizing it.