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Badass boat! I bet the second helm is really useful.Totally agree with this..... there will always be "What IF's" .... rouge wave sinks the boat, boat tender dies of a heart attack, meteor strike sinks the boat, whale becomes entangled in the marker line and swims away, , locusts, etc.....
If you have the room and a qualified person to handle the boat while your down then live boat is the way to go for sure.... We have a couple of shallow wrecks up here (100ft or less) that we frequent often. Wife doesn't do cold water anymore so she handles the boat.... and I wouldn't trust anyone more than her. If surface conditions suck than we bag the dive and go elsewhere or back home.
We just have a 5 gal bucket with about 150 feet of WHITE ½ in braided anchor rode with a quick clip to a large orange mooring ball on one end and a quick clip to a 10lb downrigger ball on the other end. I also use that same large mooring ball as an anchor puller so I can pull up the anchor with boat power rather than hand power. So it's dual purpose.
Once I'm at my "numbers" and am tracking the structure on sonar I keep the bow into the current if any or into the wind and when I'm feeling confident that I'm hovering in the right spot I yell out "bombs away" to whoever is manning and deploying the marker line. The 10 lb DR ball goes pretty much straight down to the bottom and the mooring ball goes over the side. Now we "hopefully" have the site properly marked and a live boat.
I usually go down first to confirm the wreck. Wife drops me 25 or 30 yards up current or upwind if no obvious current. I descend with the line as a guide but not "pulling" on it. If the DR ball is in or on the wreck I'll move it out into the sand along side for easier retrieval later. Then clip on a strobe to the marker line about 5-10 feet up. Once I feel like we're good to go then I have a bright yellow rubber duck that's in my BC pocket and I'll let it go to the surface. The duck is about the size of a baseball on the surface and about the size of a golf ball at 100ft. Once wife sees the duck then she splashes any other divers uphill from the float and they come on down with the instructions to use the downline as a guide and not to pull up on it. Wife then goes and gets the duck with the net and then watches bubbles and protects the site from yahoos. I can say with certainty is that my wife at the helm protects her divers like a tiger mom protecting her cubs!
Some....but not all, other items that at least for me are important:
1) When moving the 10lb DR ball out into the sand, be smart about your buoyancy and don't let go of that 10lb'r until you are are fully prepared to suddenly be without those 10 lbs. Go way negative before the drop and then adjust after the drop.
2) Vis can be really crappy up here sometimes. If its less than 5 -10 feet on the bottom than it's probably best to just keep the duck and surface to let the others know it's just not a good day for this dive. If there is no duck or me on the surface within 10 minutes after my initial descent, then it is assumed that there may be an issue and depending who may be onboard they may descend to evaluate and assist. This is all discussed pre-dive.
3) If you get down to the DR ball and there is no wreck or structure in sight, just sand, and the vis is less than 10 ft, then there's a pretty good chance that it is close by... If that happens to me I pull out a strobe and clip it to the down line near the DR ball. Then I will take a North compass heading, do 10 fin kicks then a reciprocal for 10 kicks to bring me back to the DR ball.. If no joy then I will repeat that process..... E, S, W. If after all that there is still no joy, then there is no duck released and I still have the line to control my ascent and any stops.
4) Depending on depth, standard agreed max dive times apply…. Everyone carry's an SMB and audible surface device.... Wife and I use DiveAlerts but also have manual whistles.
5) For the wreck marker line I really like the WHITE ½ in braided line. It's easier to see, easier to hold onto and less likely to become a fouling issue than paracord or wreck reel line.
6) Even though I would never want to lose my anchor, and do have a float for it……I ALWAYS have an option for an emergency cut and run. A sheathed titanium dive knife lives on my bow rail and surprisingly has held up very with little rust at all. I do spray it down with WD a couple times a year. Never had to use it...but it's there.
7) Having a diver recall option is a good idea.... Ours is simply a hammer banged in successive sets of three on the offshore bracket of our aluminum boat. Never had to use it yet.....but that's the plan anyway and it's discussed pre-dive...
8) Timing is pretty much everything up here. Currents, vis and surface conditions can change rapidly and unexpectedly.
9) Once back at the boat I find it easiest to pull my weight pockets and set them on the bracket and then doff my gear and tie it off for retrieval after I'm back onboard. We use the pot puller lifting the kits up and then pivot over and onto the deck...
Sorry about the long post but I like thinking and talking about this stuff.... There's always going to be more "what-if's" advise and suggestions.... and that's why I like to follow threads like this.
I'm also excited about installing a new ladder system to my bracket and hope to pick that up from the welder next Friday!
Cheers!!!
Sinxe you mention it, what about making a VHF radio mandatory now that they can be had for less than $100. A VHF is worth 10 cases of flares in an emergency ....but i digress[QUOTE="Scubadog, post: 9652298, member: 54786]it's pretty flipp'n stupid that an anchor is not a standard CG requirement....
ROTFL...
Yet another thing that hadn't occurred to me... the one failure could be the boat sinks. Imagine being on a dive. As you swim around you see a boat sinking to the bottom. First, it takes you a moment to process what you are seeing. Then you realize, ****, that is my boat.
So here's a story told to me by one of the Atlantic Wreck Divers: Two guys went out to dive the San Diego (off Long Island, NY) in a little boat. When they returned to where they were tied in, the boat was on the bottom. They then floated around on coolers for several hours until they were rescued, I think by fisherman.Never dive from an unattended boat, if it has to be there when you ascend. That's the rule I try to follow anyway.