| Kernahan, John | | | WALTER J. MCCARTHY JR. | First Mate |
| Kernahan, John; ASC Soundings 11(1)1991 | ASC Soundings 11(1)1991 | 1991-00-00 | AMERICAN MARINER | Third Mate |
| Kernahan, John; ASC Soundings 12(1) 1992 | ASC Soundings 12(1) 1992 | 1992-00-00 | AMERICAN MARINER | Third Mate |
| Kernahan, John; ASC Soundings 9(2)1989 | ASC Soundings 9(2)1989 | 1989-00-00 | AMERICAN MARINER | Third Mate |
| Kernahan, John; ASC Soundings 9(2)1989 | ASC Soundings 9(2)1989 | 1989-00-00 | AMERICAN MARINER | Third Mate |
| Kernahan, John; ASC Soundings September 1984 | ASC Soundings September 1984 | 1984-00-00 | | |
| Kernahan, John; ASC Soundings September 1984 | ASC Soundings September 1984 | 1984-00-00 | | Third Mate |
| Kernahan, John; father, grandfather sailed | father, grandfather sailed | | WALTER J. MCCARTHY JR. | First Mate |
| Kernahan, John; first sailing | first sailing | | | deckhand |
| Kernahan, John; pc Tom Geiger (1995 ASC Soundings); 1995 | pc Tom Geiger (1995 ASC Soundings) | 1995-00-00 | ST. CLAIR | Third Mate |
| Kernahan, John; Soundings July 1993 | Soundings July 1993 | 1993-00-00 | AMERICAN MARINER | Second Mate |
| Kernahan, John; Soundings June-July 1994 | Soundings June-July 1994 | 1994-00-00 | AMERICAN REPUBLIC | Second Mate |
| Kernahan, John; Soundings Mar-Apr 1994 | Soundings Mar-Apr 1994 | 1994-00-00 | | Third Mate |
| Kernahan, John; Soundings Mar-Apr 1997 | Soundings Mar-Apr 1997 | 1997-00-00 | WALTER J. MCCARTHY JR. | Second Mate |
| Kernahan, John; Soundings May 1988 | Soundings May 1988 | 1988-00-00 | AMERICAN MARINER | Third Mate |
| Kernahan, John; Soundings Oct 1986 | Soundings Oct 1986 | 1986-00-00 | FRED MANSKE | Watchman |
| Kernahan, John; Soundings Oct 1986 | Soundings Oct 1986 | 1986-00-00 | INDIANA HARBOR | Third Mate |