To 21 ports; the busiest crossings are to Sorong (16 hours, six times a month), Kaimana (10 hours, four times a month), Dobo (21 hours, four times a month), Banda Neira (23 hours, four times a month), Tual (27 hours, four times a month), Ambon (43 hours, four times a month), Bitung (3 days, four times a month) and Geser (12 hours, twice a month).