NEW : The tempest must have been a mean one . ` The little sailboat is tough , and so is its captain , his sister says . The boat left Opua , bound for Newcastle , England , when it encountered stormy seas . The wooden racing boat built in 1928 had nine people on board . Six Americans and one Briton are missing .
NEW : The little sailboat is tough , and so is its captain , his sister says . The boat left Opua , bound for Newcastle , England , when it encountered stormy seas . The wooden racing boat built in 1928 had nine people on board . Six Americans and one Briton are missing .