John and Billy Kyburg were cleaning the Matterhorn on a Saturday in May.They kept her windows sparkling, her chrome polished, her fiberglass bodycleaned and polished, and her decks swabbed (old sailor talk for mopping).The Matterhorn had become a symbol of pride for the people of Pirates Cove. Ithad been involved in two water rescues, and the boat used to land the biggestbluefish in the $25,000 bluefish tournament.