The tourist subs in Hawaii will blow bubbles and the surface support ships will say yes, you can surface there. Or no, let us move, then you can surface.
Hi Psubbers,
When people talk of submarine safety the situation most often assumed is a sub in distress on the seabed. This is of cause a very critical situation,
and we all design boats that are redundant in many ways so that we hopefully never get in that
situation.
In my practical experience - however - getting hit by a passing surface vessel when being at or very close to surface is a much more likely incident. Depending on the speed and size of the vessel and submarine any level of damage is possible - and the sub I likely to sink with its pressurehull ruptured to some extent after the collision.
We are currently adding hydrophones to Kraka for detection and classification of surface sound contacts, and we are designing a cable camera for the UC3 - that can be send up prior to surfacing. We hope these technical gadgets may make it more safe to operate our subs.
The professionel submariners ( navy ) that I have talked to say that
they solely depend on their passive sensors - hydrophone arrays - and they have zero way of detecting a drifting - stopped or sailing vessel.
What do other non navy submarine operator do - how do you psubbers handle this safety issue ? Most people ask me why we don't just have an underwater radar ?! - or is it sonar - a sea surface hull detection device...like the navy...
Well - what do you do ?
Regards,
Peter Madsen
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