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Old 01-26-2016, 11:39 AM   #21
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I crewed as engr on a 90-something footer, about 30yrs old. The amount of plumbing below deck was phenominal. Some metallic, some hose, lots of fittings and valves. Some carrying seawater at sea pressure. None of that stuff was accessible so had to be original. If a leak formed down there, there would be no way to trace to the sea cocks and get it isolated before bilge was awash. Trash down there would clog pump strainers. Also, engines had 12" underwater exhaust with big gate valves that sure looked seized.

That boat scared the crap out of me.
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Old 01-26-2016, 11:43 AM   #22
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This is a forum where crew and owners of this caliber yacht hangs out. If there's scoop you'll find it here. A few posts down there is a link to some dramatic IR footage from a CG helo......

Yacht Serena III sinks off Ft. Lauderdale - General Yachting Discussion | YachtForums: We Know Big Boats!
Based on the posts I read......not sure I would take too many there seriously until you get a few posters that know the boat or the crew personally.

Their comments had little to do with the technical aspects of a yacht sinking...even discussing grounding without knowledge of a previous grounding.
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Old 01-26-2016, 11:44 AM   #23
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I crewed as engr on a 90-something footer, about 30yrs old. The amount of plumbing below deck was phenominal. Some metallic, some hose, lots of fittings and valves. Some carrying seawater at sea pressure. None of that stuff was accessible so had to be original. If a leak formed down there, there would be no way to trace to the sea cocks and get it isolated before bilge was awash. Trash down there would clog pump strainers. Also, engines had 12" underwater exhaust with big gate valves that sure looked seized.

That boat scared the crap out of me.
Which is why the engine room should have waterproof bulkheads with water tight doors. Unless there is someone in the ER that door should be closed and latched.

At least that's how it would be if I got to design it.......
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Old 01-26-2016, 11:49 AM   #24
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Which is why the engine room should have waterproof bulkheads with water tight doors. Unless there is someone in the ER that door should be closed and latched.

At least that's how it would be if I got to design it.......
You almost never see that on a boat unless it is built to class. And even then depending on to what state of class it's built it my not be 100% water tight.
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Old 01-26-2016, 11:50 AM   #25
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You almost never see that on a boat unless it is built to class. And even then depending on to what state of class it's built it my not be 100% water tight.
Then it will seenk!
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Old 01-26-2016, 11:50 AM   #26
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If you read the ABS record in the link I posted, you could see that it has nine watertight bulkheads.
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Old 01-26-2016, 12:02 PM   #27
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but I think the link also said the class cert was discontinued.

who knows what mods or lack of PM has occurred.


but till we get real data..... it did have them and they could have helped if all operational and used.
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Old 01-26-2016, 12:03 PM   #28
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Yup. It says that too.
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Old 01-26-2016, 12:10 PM   #29
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Gots to close the watertight doors, too. Before the water gets too deep.
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Old 01-26-2016, 12:46 PM   #30
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I guess wrongly assumed a newbie wouldn't know that hitting something and causing a large hole would make a boat sink
Yes, even as a newbie, I had assumed they had not hit an iceberg...

Psneeld responded perfectly to my initial query.
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Old 01-26-2016, 01:05 PM   #31
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Gots to close the watertight doors, too. Before the water gets too deep.
And hope to heck all the penetrations where properly sealed. Anybody remember a nearly new boat named Yogi?
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Old 01-26-2016, 01:20 PM   #32
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Interesting timing. Class was suspended in September and withdrawn on December 28 for overdue surveys.
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Old 01-26-2016, 01:26 PM   #33
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And hope to heck all the penetrations where properly sealed. Anybody remember a nearly new boat named Yogi?
No BooBoo...I don't remember any boat named Yogi......

But I am sure your point is well made...plus there are hundreds if not thousands of boats just in my USCG/Sea Tow career that I studied that sank from progressive flooding.

Heck the Titanic had watertight bulkheads...someone just forgot to mention they would have been better carried all the way to the top. What good is anything half a**ed.....like watertight bulkheads that can't withstand pressures, the gaskets don't seal and all the bulkhead penetrations next to it are not sealed?

This is from an interview with the Yogi's captain....

"The yacht turned aft to the waves while they were busy with the engines. He told me the aft starboard side watertight beach club door blew open and a lot of water entered where he told Nedim that the portside watertight hatch blew open. (We are not sure which one he meant exactly.) "

Watertight doors "blew open"...then that yard was guilty as hell...that's not how they are supposed to work.
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Old 01-26-2016, 02:50 PM   #34
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And hope to heck all the penetrations where properly sealed. Anybody remember a nearly new boat named Yogi?
Yes I remember Yogi.
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Old 01-26-2016, 03:14 PM   #35
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Funny-the first report I read this morning said the boat was being towed back to Lauderdale. Maybe they are into underwater towing?

I also remember Yogi. I have always wondered whether the owner even got to get on the boat before it sank.
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Old 01-26-2016, 03:26 PM   #36
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Perhaps Sea Tow opened a new branch called Sub-Sea Tow?
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Old 01-26-2016, 04:50 PM   #37
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Wonder if my boat insurance covers undersea towing.
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Old 01-26-2016, 05:00 PM   #38
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Wonder if my boat insurance covers undersea towing.
My BoatUS insurance claims "no limits on towing," so I would assume it would cover that.
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Old 01-26-2016, 05:11 PM   #39
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Most insurance on Classed vessels have a warranty that the vessel must remain in Class in order for the insurance to remain in effect. If Class was allowed to lapse, the owner might be in deep doo-do.
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Old 01-26-2016, 05:12 PM   #40
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Usually the towing requires the owner to be on board.....so have at it guys...
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