Slitherine

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ORIGINAL: LoBlo

I trying to understand if there is any advantage to having a submarine run deeper than just "under the layer". If a sub is deeper than that, are there any advantages as far as detection or sensors? In RL sound-velocity profiles of the various environments has the impact on optimal depths, but I'm not sure if Command goes that far as to try to model that type of complexity.

Any thoughts?

lb

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The Great Deep: The DSC still has some influence here but not as great. Cavitation sets in only if you go flat-out (modern subs do not cavitate at all here, even at flank). If the sea bottom is shallower than the sub’s rated depth, the sub can “fly nap of the earth” or even go belly-up (sit on the bottom) and get the benefit of greatly reduced active sonar echo. This is generally the ideal depth for “transit” mode, when the emphasis is on moving from A to B rather than hunting, or for stationary ambush.

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ORIGINAL: Gunner98

Not at all sure, but I think the game models this.  At least it seems real.

My tactics are:

Deep as possible - for fast transit, using a NATO Nuc your fairly safe, SSKs will use up battery power pretty quickly though
Under the layer - trolling at 5-12Knts looking for other subs or if I'm confident there are no subs in the area - medium speed transits up to about 20Knts (risky)
Over the layer - never above 8-10 knts hunting for surface contacts
Shallow - as little as possible, usually to accomplish a mission goal or if I have a good SSK.  Some of the older SSGNs need to be here to launch.
Periscope - rarely, usually to pick up ESM contacts only
Surface - sunbathing and water-skiing are the only reason to be here  Well and some older SSGNs

B

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Thanks for that! My experience with subs is limited mostly to Silent Hunter and ... thats it really!
In those games it is surface 95%, periscope 4%, and DEEP 1% of deployment time, it seems. So to translate that to a modern sub is pretty suicidal.

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I've been keeping my subs at just above the layer most of the time but I've been going fast there, too. SHould I be going deep for travel even if I am not cavitating?

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And how about that moment you know you are found out; let's say I know because a torpedo is detected in the water. Is the goal to change layer (up OR down) and flee or always go deep and flee or...?

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And one last scenario, after deploying my own torpedo into the water, should I go slow and listen (for return fire and effect - after changing bearing, surely) or immediately change bearing and flee fast (deep? change layer?)?