Kammala jumla mai zuwa: Ro-33 wani jirgin ruwa ne mai suna "Ro-33" na Navy Navy. An kammala shi kuma an ba shi izini a watan Oktoba na 1935, ya yi aiki a lokacin yakin duniya na biyu a Kudancin tekun China, Tekun Indiya, da kuma kudu maso yammacin Pacific Ocean kuma ya yi aiki don tallafawa sojojin Japan a cikin
mamayewar Malaya ta Burtaniya, mamayewar Java, Yakin Tekun Coral, yakin Guadalcanal, da yakin New Guinea. An nutsar da shi a watan Agustan 1942 a lokacin da yake aikinsa na biyar.