Join Date: May 2001
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One additional thought about attachment of a tether: after using a conventional jack line arrangement offshore for a while, we switched to a jackline method recommended by John Neal. For those who don''t recognize John''s name, his first book (Log of the Mahina) covered a trip from WA state down into the South Pacific and back as a young man, and he''s subsequently sailed 300,000+ miles on a series of Halberg Rasseys while instructing guest crew.
His method is to run the jackline *above* the lifelines on each side of the boat. E.g. on our Pearson ketch, we run a jackline from the upper mizzen shroud, shoulder height, forward to the upper main shroud (around once to halve the unsupported length of the line) and then further forward (and sloping downward), terminating it at the bow pulpit. While this may seem like it decreases the chance of the jackline/tether/vest keeping you aboard, in my experience it actually serves as a very effective add''l barrier to being thrown over the side in the first place. Moreover, it provides add''l support when moving fore/aft on deck. Initially skeptical about this, it''s now my favored arrangement - tho'' in fact, I can continue to use the deck-mounted jack lines, as well. It''s just that I rarely use them now, given this other alternative.