I have SH3 with Greywolves gold? It might be outdated, been a year or two.
Anyways, I seemed to always try to hunt the battleships, going into the ports, slowly, submerged, scope up, and hoping to see the mines before crash into them and blow up.
Best story I have:
I think it was my first patrol of new career, I went up to the north side of Scotland, major port there, I forget name of it. I intended to enter the port. I was heading West, and there ahead of me, appeared the dream: carrier, battleship on the horizon, and lots of destroyers, heading East, directly at me. So I dove past periscope depth, hoping to sneak under the lead destroyer. Well, in the first pass, he dropped wasser bombens, and one of them hit me, blew up the entire conning tower. Both scopes, AA gun, Radio antenna, the whole deal up there. I still had the intention of trying to surface and firing on the CV from close up, I still hydrophones. The destroyer came back around. I NOW realized that the max depth of this area was like 90meters. I don't remember how close I got to the ocean floor. Either way, 90meters is still only in the green section of the depth gauge. I may have lasted a turn or two, but within a two minutes maybe, that same destroyer dropped again, blew me up. All hands lost. Got owned. Makes sense I guess, the lead destroyer of a CV group would have the most skilled captain probably of the whole English Navy. Yep, not enough depth for even a chance to get away. That was the most stuff I ever saw on the surface.
Park on ocean floor?
What has always bothered me about SH3, even with Grey Wolves Gold - no matter how gently I try to land on the ocean floor, I get major damage. I have the windows 98 'Command: Aces of the Deep' game also, and in that game, hunting at correct depth, about 160 - 180 meters, and we could land on ocean floor, and repair the most of the sub before blowing the compressed air in hopes of surfacing. Sometimes had to blow some of that while running to lower depth though too. There was luck here, sometimes a day later just before running out of air, we could get off the ground, which meant we could then use the electric engines to climb out or just float up. "Stuck in the mud" sometimes so couldn't engage motor. Hated that we couldn't repair on floor in SH3, it just keeps breaking more systems if try to park.
AA gun:
other thing, a plane could be buzzing around me and I would be unable to find him in the air. Invisible? Seemed like the SH3 deck view was sooo zoomed in that couldn't even find dam enemy plane... boo.