To 24 ports; the busiest crossings are to Dobo (17 hours, five times a month), Tual (29 hours, five times a month), Ambon (2½ days, three times a month), Sorong (3½ days, three times a month), Bitung (4½ days, three times a month), Kaimana (46 hours, twice a month), Merauke (46 hours, twice a month) and Saumlaki (2½ days, twice a month).