In December 1939, the Navy ordered the aircraft as the Navy Type 99 Carrier Bomber Model 11 (kanjō bakugekiki, usually abbreviated to 艦爆 kanbaku.).
U prosincu 1939. godine mornarica je naručila zrakoplov pod nazivom Navy Type 99 Carrier Bomber Model 11 (Kanjo bakugekiki, obično skraćeno kanbaku) .