. . "BYMS-class" . . . "HMS ''BYMS 2189''" . . . "BYMS-class minesweeper" . "BYMS" . "British Yard Mine Sweeper" . "British yard minesweeper" . . . "BYMS-class minesweeper" . . "41.4528" . . "motor minesweeper" . . . "British yard minesweeper (BYMS) Mark 1 class motor minesweeper" . . . . "HMS ''Byms'' 2189 (J 989)" . "27.78" . "7.3152" . . "BYMS - Fiori (400)" .