Rubuta ci gaba don wannan sakin layi - I-66, daga baya I-166, ya kasance jirgin ruwa na jirgin ruwa na KD5 wanda aka kammala don Rundunar Sojan Ruwa na Japan a 1932. Ta yi aiki a lokacin Yaƙin Duniya na II, tana tallafawa mamayewar Japan na Malaya
da mamayewar Sarawak, shiga cikin yakin Midway, da kuma gudanar da yakin basasa da yawa a cikin Tekun Indiya kafin a nutse a watan Yulin 1944.