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Started By
Message
re: UPDATE 265 Class Liftboat capsizes . New survivor story. Page 77
Posted on 4/13/21 at 10:15 pm to zztop1234
Posted on 4/13/21 at 10:15 pm to zztop1234
quote:
Don't need to preload if you just clear above wave height and not extend the legs all the way. Also, would you rather sink the vessel and kill crew members and not exhaust all options.
As stated before you can’t do that. Sea conditions won’t allow it.
The storms have been on radar all day. The Captain should have refused to sail.
There will be a lot of seat squirming coming in the next couple of years of depositions,trials and Coast Guard Inquiries.
0
Posted on 4/13/21 at 10:16 pm to Bigfishchoupique
Don't understand why they would leave port with this system bearing down.
I never did like working on those small jack ups.
Prayers to the crew and rescuers
I never did like working on those small jack ups.
Prayers to the crew and rescuers
Posted on 4/13/21 at 10:21 pm to zztop1234
quote:
and not exhaust all options.
I’m guessing that the captain didn’t think that trying to jack up was his best option. I have never been on 265 when jacking up or down only underway or in position. But I have spent a good bit of time on shallow draft jack ups and they are typically underpowered for their size which makes holding position difficult in any kind of wind or seas.
Posted on 4/13/21 at 10:29 pm to Hobie101
quote:
never did like working on those small jack ups.
A 265 class is not a small jack up
Posted on 4/13/21 at 10:32 pm to LSUAngelHere1
quote:
Oh wow... Someone got video on it capsizing, not sure if it was shared yet.
LINK /
So it looks like one leg is fully extended. If that's the case is it safe to assume the water isn't very deep there? Ive never heard of these things before.
This post was edited on 4/13/21 at 10:33 pm
Posted on 4/13/21 at 10:35 pm to Chucktown_Badger
quote:
So it looks like one leg is fully extended. If that's the case is it safe to assume the water isn't very deep there? Ive never heard of these things before.
The legs were all the way up which means it was underway when it capsized.
Posted on 4/13/21 at 10:36 pm to tgrbaitn08
I saw this and got nervous. The company I work for has a crew out with a lot of friends of mine on the Vanessa which is a stones throw from where this occurred. This is a tragedy.
Posted on 4/13/21 at 10:36 pm to Capt ST
quote:
I was watching the squall line push thru that area on radar around 4pm. It looked brutal. Hopefully they find them all, looks like they rolled pretty close to pass, so plenty of help available.
HTV has a camera on the island at town hall. They posted a video of the storm at it’s peak around 3:30 before they lost connection with their camera.
The camera is pointed East towards the Island Dollar store.
HTV Facebook
This post was edited on 4/13/21 at 10:44 pm
Posted on 4/13/21 at 10:41 pm to tigersownall
quote:
This is a tragedy.
It's absolutely devastating....Im almost sick to my stomach.
There was no excuse for that boat to be heading offshore, unless the capt thought he could get beat the storm and get below it and miss it......they were heading Southwest...so I can that maybe he thought the storm would stay North and he would be able to skirt it. I think it caught everyone in the GOM by surprise.
Posted on 4/13/21 at 10:49 pm to tgrbaitn08
quote:
The legs were all the way up which means it was underway when it capsized.
If that video on page 3 is this boat, there was definitely at least one extended.
shite, wait...i just realized i can see the pad and the leg in the water is up. My mistake.
This post was edited on 4/13/21 at 10:53 pm
Posted on 4/13/21 at 10:51 pm to Bobby OG Johnson
quote:
Chris Franklin WWL-TV
@CJohnFranklin
Though we are unable to confirm due to a lack of reliable offshore buoy data with actual wave heights, our computers estimate wave heights in the range of 45-50' off the LA coast. While extreme, it does show the incredibly rough conditions offshore today.
WWL is ridiculous. This is sensationalism/a very crappy model. In coastal engineering, wind driven, depth-limited waves (e.g. waves in a nearshore and not open ocean environment) have an easy rule of thumb that governs most situations: the wave at breaking (let's call this its height limit) can only be ~75% of the water depth. A 50' wave would require at least 67' of water, which rules out everything in this picture inside of about 10 miles offshore.
The NOAA gauge on the LOOP platform had its wave measuring equipment knocked out by a storm this summer from a roughly 50' wave, which was a freak wave under higher, more sustained wind conditions than today, and what is it in 100-150' of water?
Posted on 4/13/21 at 10:52 pm to Chucktown_Badger
This picture shows the leg is all the way up.....do you see the flat pad? That is the part that sits on the bottom of the sea floor. The boat is on it's side.
That is showing that the legs were all the way up...which means the vessel was underway and took on water.
That is showing that the legs were all the way up...which means the vessel was underway and took on water.
Posted on 4/13/21 at 10:54 pm to man in the stadium
quote:my ninja
the wave at breaking (let's call this its height limit) can only be ~75% of the water depth
Posted on 4/13/21 at 10:55 pm to tgrbaitn08
In that picture, there is another jack up on the horizon.
Posted on 4/13/21 at 10:57 pm to doublecutter
quote:
In that picture, there is another jack up on the horizon.
yes... it looks like that one is jacked up above the water line out of danger.
Posted on 4/13/21 at 11:00 pm to tgrbaitn08
I never thought one would see 90' plus waves in the GOM. Then I went to survey damage on Shell's Mars platform. The lowest deck was severely damaged. Huge 30 - 36" beams were flexed UPWARDS. Nothing but a lot of water caused that. Not only did it get that high, it got that high with enough force to bend Large structural beams and girders.
GOM don't play.
GOM don't play.
Posted on 4/13/21 at 11:07 pm to Sid in Lakeshore
Posted on 4/13/21 at 11:09 pm to Sid in Lakeshore
LINK
The jack up in the background may be clearer in this print
quote:
The Coast Guard and Good Samaritan vessel has actually been able to rescue 6 people so far, we've had pre-commissioned Coast Guard cutter Glen Harris rescue one person, one of our station Grand Isle boats rescued another and four other people were rescued by Good Samaritan vessels.'
The jack up in the background may be clearer in this print
Posted on 4/13/21 at 11:12 pm to tgrbaitn08
Baws got a nice place
Posted on 4/13/21 at 11:12 pm to Sid in Lakeshore
Sid - before your offshore time, but we had 19 in the water in February 2002....GOM don’t play and repeats itself.
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