Planning an offshore passage entails seemingly endless details, but on a sailing vessel, a vitally important component is the type of running rigging, both rope and wire, we install to keep our vessels under sail and on target for our next anchorage. Standing rigging, which is the wire structure holding up the mast(s) and perhaps a bowsprit and boomkin, are a different matter, requiring a separate set of installation and maintenance protocols, so we’ll set that aside for future discussion. Our running rigging, the rope and perhaps wire we use to control the sails, faces constant stretch and exposure to…