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> 
> On the dive, the grapple is placed a bit more firmly into the wreck by the
> first diver down. On return, if it is clear that all the divers are on the
> way up, the grapple is unhooked to aid recovery, otherwise it is left as is.
> 
> The grapple will either pull free when we recover the buoy, or if it sticks,
> the line is attached firmly to the boat. The weight of the boat will then
> un-bend the prongs of the grapple (the boat does weigh about 10 tons!). The
> grapple is then re-shaped before the next use.
> 
> This system is used mostly for no-deco exploration, and I think Curt's 
> suggestion on the use of a line to secure the anchor to the wreck is a good
> idea for dives where you prefer to be able to find the line.
> 
> Having a boat free of the line is an advantage in current prone areas if
> you need to pick up divers who have drifted or been unable to return to
> the line for some reason.


we attach a lift bag to the line near the anchor and partially fill it as

we leave the line to drift.. when the divemaster pulls the line the bag

expands on the way up and there is no stress on the person pulling the

line in.


note:  sometimes you need three or more floats, if there is a current, or

one comes up, one float may go under and you'll lose sight of it.. 

espcially if you have a deco bottle on the line, or a couple of divers

on their stops.


we leave the float even on drift dives to give the boat captain a reference,

also gives the divers a place to stay if problems arise.


aloha,

dennis

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