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Dunk, John <screwloose@ne*.co*> wrote: >>Over on the safety-from-other-boats angle, there are a few wreck dives >>here in Ontario (most notably the ones under the main shipping channel in >>the Sarnia/Port Huron area) that can be treated almost as cave dives. >>Enter from shore, follow the bottom to the wreck, and return to shore >>before surfacing. Direct ascent is not a viable option due to the >>possibility of an "Evinrude Haircut" or even a meeting with a 700' lake >>freighter. Sailboats are also bad, because you can't hear them coming. >>-- >>Anthony DeBoer > >Anthony,not even close. >There are no problems with light failures,a lost line simply means you dont >find the wreck,and in a gas emergency,you CAN surface & take your chances >with the boat traffic. No, it's not precisely the same thing, but it's good practise. Certainly, you could take your chances popping up if all else fails, and a propellor that turns out not to be there at a particular moment is a lot more forgiving than a cave ceiling that's guaranteed to be there (unless perhaps it falls on you), and a lot of divers are doing these dives in simple openwater gear and surviving. Even when boats are relatively plentiful, your chances of popping up and getting plowed back under are probably still less than one percent. The crew I do these dives with believe in air supply redundancy and stuff like that, though, and we plan a shore-to-shore dive and try to factor out anything that would be a problem under ceiling. A lot of our other dives are under deco ceiling, so we have to be set up that way anyway. >Further,you can hear those big freighters while theyre >still a half mile away,and if youre still in the channel after KNOWING that >one is on the way,well.. Granted, I'm not going in if I see one, and I'm starting my exit if I hear one. >I dove the Pt.Huron/Bluewater bridge area at least twice a month for ten >years,and frankly the umpteen-hundred fisherman pose a greater hazard than >the river traffic does (IMO).I'd rather take my chances with the 700' >freighter than the 300 lb.+ Michigan redneck who's SURE you cut his line to >get his $.79 K-mart lure. Amen to that. On our side, though, it would be a $.99 Canadian Tire lure, and a different brand of beer contributing 50% of body mass. No real difference, really. Fishermen are 'way up on my "AVOID" list. -- Anthony DeBoer http://www.onramp.ca/~adb/ adb@he*.re*.or* (here) adb@ge*.co* (work) #include "std.disclaimer"
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