cranes na sarrafa jirgin ruwa, wanda kuma aka sani da masu sarrafa jirgin ruwa.Ana amfani da shi sosai a wasannin motsa jiki na ruwa, kulake na jirgin ruwa, kewayawa, jigilar kaya da koyo, da sauransu. Yana iya jigilar tarin kwale-kwale ko kwale-kwale daban-daban daga mashigin ruwa don kula da kan teku, gyara ko ƙaddamar da sabbin jiragen ruwa.Kwale-kwale da na'ura mai sarrafa jirgin ruwa sun haɗa da abubuwa masu zuwa: babban tsari, shingen ƙafar tafiya, injin ɗagawa, injin tuƙi, tsarin watsa ruwa na ruwa da tsarin sarrafa wutar lantarki.Babban tsarin shine nau'in N, wanda zai iya canja wurin jirgin ruwa / jirgin ruwa tare da tsayin tsayin crane.
na'ura mai sarrafa jirgin ruwa na iya ɗaukar jiragen ruwa na ton daban-daban ko jiragen ruwa (10T-800T) daga gefen teku, ana iya amfani da shi don kula da bakin teku ko kuma yana iya sanya sabon jirgin cikin ruwa.