Identity unknown. 24 were delivered in 1942. Two were active in Nov 45. The type was withdrawn in 1950. Preserved at the museum by 1967.

Thailand acquired 24 Ki-55 from Japan in 1942. They were in use until 1950

Rare survivor on display at the Royal Thai Air Force Museum. The "Ida" served as a close support aircraft for the Imperial Japanese Army. After the Thais surrendered to the Japanese in Dec. 1941, the RTAF became a co-belligerent force against the Allies in Jan. 1942 and employed several types of Japanese aircraft, including Ki-43 "Oscars". After the Japanese surrender in 1945, the aircraft they left behind were easily used by the RTAF, including this Ida as a liaison and advanced trainer aircraft.

The Japanese army's Ki-55 advanced trainer was developed from the Ki-36 reconnaissance aircraft.