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Old 05-09-2021, 07:27 PM   #1
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Quick question “what if?”

A calm beautiful day. Cruising at 3/4 throttle, Your offshore from land all alone. guests are loungin with drinks when, suddenly your boat heals sharply to port. Your wife spill from her upper chair, guests shriek, Things slide off tables, water is up to your dock buoys, the port rail dipping under water. What’s the first thing you do, what’s second? Third?

Playing “what if?” With myself and crew kept us alive and productive over 30 years in the Bering Sea.
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Old 05-09-2021, 07:38 PM   #2
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What? You hit a submarine? ... Call mayday and take on life
preservers. Assess the situation.
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Old 05-09-2021, 07:45 PM   #3
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To get to that situation that fast...prepare for abandon ship, make sure you have an EPIRB/PLB, get out a mayday/DSC distress.


At that rate of roll, there may not be time for second and third orders.
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Old 05-09-2021, 07:45 PM   #4
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Are all engines still running? Bilge pumps running? Any abnormal noise or thud?

Also get a mayday (or at least a pan pan) out.
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Old 05-09-2021, 07:54 PM   #5
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If the rail is going under...I wouldn't be using "pan pan"....or really worrying about anything else but flotation and survival gear...the boat is rolling, sinking is secondary. Getting trapped or hit by a rolling boat is serious.


If things go static, then regroup and rethink.
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Old 05-09-2021, 07:57 PM   #6
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1st thing, pull the throttles back, then turn the wheel hard to port into the heel.
Either you lost one engine/prop or a current grabbed your keel crossing from port.
Third thing, assess the effect of your corrective action and respond.

Did I sink??
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Old 05-09-2021, 08:03 PM   #7
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Quote:
Originally Posted by psneeld View Post
If the rail is going under...I wouldn't be using "pan pan"....or really worrying about anything else but flotation and survival gear...the boat is rolling, sinking is secondary. Getting trapped or hit by a rolling boat is serious.


If things go static, then regroup and rethink.
Agreed. I was operating on the assumption that the list happened suddenly, but then at least momentarily stayed at that point.
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Old 05-09-2021, 08:03 PM   #8
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Klee Wyck...Those things offshore would put your rail under in seconds?


But realistically, I cant think of one thing that could do that to a fiberglass or metal boat....the only way a boat is going to roll that quickly without obvious environmentals is to a wooden boat that popped a plank.


Or a glass or metal boat where the operator is so clueless they never felt the boat getting sluggish from all the water aboard from some smaller ingress reason.
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Old 05-09-2021, 08:24 PM   #9
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Quote:
Originally Posted by klee wyck View Post
1st thing, pull the throttles back, then turn the wheel hard to port into the heel.
Either you lost one engine/prop or a current grabbed your keel crossing from port.
Third thing, assess the effect of your corrective action and respond.

Did I sink??
Thats my thoughts yes. It's the response you gotta train for. Power down turn asses. Great! I've turned into a heavy list more times than I can remember.. Rule: if the boat lays over, steer to the low side.
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Old 05-09-2021, 08:26 PM   #10
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[QUOTE=psneeld;1003164]Klee Wyck...Those things offshore would put your rail under in seconds?


But realistically, I cant think of one thing that could do that to a fiberglass or metal boat....the only way a boat is going to roll that quickly without obvious environmentals is to a wooden boat that popped a plank.


Or a glass or metal boat where the operator is so clueless they never felt the boat getting sluggish from all the water aboard from some smaller ingress reason.[/QUOTE

Any boat can flood undetected to a point of danger.
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Old 05-09-2021, 08:27 PM   #11
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But what would cause a list to put the rail down on the average recreational trawler?
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Old 05-09-2021, 08:27 PM   #12
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Klee Wyck...Those things offshore would put your rail under in seconds?


But realistically, I cant think of one thing that could do that to a fiberglass or metal boat....the only way a boat is going to roll that quickly without obvious environmentals is to a wooden boat that popped a plank.


Or a glass or metal boat where the operator is so clueless they never felt the boat getting sluggish from all the water aboard from some smaller ingress reason.
Sudden shift of a heavy object that should be secured? Like some large batteries? And possible related water ingress. That prompted my question about a thud.
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Old 05-09-2021, 08:31 PM   #13
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No way....I have a LOT of experience with sinking boats and I just have seen few boats list and roll that weren't half sunk already and the skipper was clueless. Every boat I have ever run with water in the bilge stated to handle different long before it would ever put a rail under.

Rough conditions are one thing, the example was a calm, beautiful day.
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Old 05-09-2021, 08:34 PM   #14
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Any boat can flood to a point of danger undetected.
Hmmm.... If there is enough water inside to slosh it to the gunnels once of a sudden the boat was behaving VERY differently in the moments leading up to that point. If you don't notice that I suggest golf, or collecting stamps.

Meanwhile I agree, steer into the turn while putting on a life vest and grabbing a handheld VHF then go take care of your passengers.
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Old 05-09-2021, 08:35 PM   #15
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fish in the water snag on something?
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Old 05-09-2021, 08:39 PM   #16
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Large vessels with cargo I can see developing a severe list in heavy weather. Recreational vessel in calm weather with live load (passengers) seated developing a sudden SEVERE list? Nope ....don't buy it without some other circumstance that might give a clue.

Several hundred gallons of water in a 40 foot trawler won't bury a rail in calm water, but a gentle swell or decent turn will let you know if you are reasonably experienced.

I don't think I have ever experienced a list of more than 10 degrees...in all my life on the water, recreational, commercial, USCG ships in calm to hurricanes. Enty of times did I have a lot of water in the bilge or shifted cargo. Even half sunk boats being towed didnt suddenly roll that bad.
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Old 05-09-2021, 08:46 PM   #17
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Greetings,
Once you get a critical amount of water in the bilge, all stability bets are OFF. I expect that amount is different for every boat.
https://en.wikipedia.org/wiki/Free_surface_effect
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Old 05-09-2021, 09:10 PM   #18
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May day, PDF, investigate
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Old 05-09-2021, 10:04 PM   #19
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Turn off the autopilot
Back off starboard throttle
Make sure the upper chair isn't broken
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Old 05-09-2021, 10:50 PM   #20
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Quote:
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Klee Wyck...Those things offshore would put your rail under in seconds?


But realistically, I cant think of one thing that could do that to a fiberglass or metal boat....the only way a boat is going to roll that quickly without obvious environmentals is to a wooden boat that popped a plank.


Or a glass or metal boat where the operator is so clueless they never felt the boat getting sluggish from all the water aboard from some smaller ingress reason.
I agree with you! There is NOTHING that would cause that level of roll that is recoverable.

Yes since you are at the helm, you woulf go to idle and turn rudders opposite, but that is honestly a wasted action.

BTW no way to get any serious water in the bilge because you have high water alarms, more than one of them that you test regularly.
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