. . . . "1942-08-20" . "67.1" . . . . . . "32.7804" . "German submarine U-643" . "6.2" . "8.71E8" . . "1942-10-08" . . "1941-12-01" . . . "Scuttled on 8 October 1943 in position" . . "7.69E8" . "1941-01-20" . . "German submarine U-643" . . . "U-643" . "4.7" . . "9.6" . "''U-643''" .