| Ontko, Charles; 1970 Red Book; 1970 | 1970 Red Book | 1970-00-00 | YANKEE CLIPPER | Captain |
| Ontko, Charles; 1971 Red Book; 1971 | 1971 Red Book | 1971-00-00 | YANKEE CLIPPER | Captain |
| Ontko, Charles; 1972 Red Book; 1972 | 1972 Red Book | 1972-00-00 | YANKEE CLIPPER | Captain |
| Ontko, Charles; 1973 Red Book; 1973 | 1973 Red Book | 1973-00-00 | YANKEE CLIPPER | Chief Engineer |
| Ontko, Charles; 1975 Red Book; 1975 | 1975 Red Book | 1975-00-00 | YANKEE CLIPPER | Captain |
| Ontko, Charles; 1976 Red Book; 1976 | 1976 Red Book | 1976-00-00 | YANKEE CLIPPER | Chief Engineer |
| Ontko, Charles; 1977 Red Book; 1977 | 1977 Red Book | 1977-00-00 | YANKEE CLIPPER | Chief Engineer |
| Ontko, Charles; 1978 Red Book; 1978 | 1978 Red Book | 1978-00-00 | YANKEE CLIPPER | Captain |
| Ontko, Charles; 1979 Red Book; 1979 | 1979 Red Book | 1979-00-00 | YANKEE CLIPPER | Captain |
| Ontko, Charles; 1984 Red Book; 1984 | 1984 Red Book | 1984-00-00 | WILLIAM M. MILLER | Chief Engineer |
| Ontko, Charles; 1985 Red Book; 1985 | 1985 Red Book | 1985-00-00 | WILLIAM M. MILLER | Chief Engineer |
| Ontko, Charles; 1986 Red Book; 1986 | 1986 Red Book | 1986-00-00 | WILLIAM M. MILLER | Chief Engineer |
| Ontko, Charles; 1987 Red Book; 1987 | 1987 Red Book | 1987-00-00 | WILLIAM M. MILLER | Chief Engineer |