- Sentai: 8, 10, 15, 28, 29, 81, 82
- Dokuritsu: 16, 18, 50, 51, 74, 76, 81
- Chutai: Dai Shijugo
- Hikodans: 17, 18
The second prototype of the Ki-15 was purchased by Asahi Shimbu, a Japanese newspaper. It was flown by Masaaki Iinuma, pilot, and Kenji Tsukagoshi, navigator almost 10,000 at an average speed of 100 mph between April 6 and April 9, 1937. This was to celebrate to Coronation of King George VI. This was a record at the time for the 9,542 mile trip. The plane was named Kamikaze.
The first deliveries were made to the Army in May 1937.
Before World War II the Army's Ki-15 and the Navy's C5M were the most popular reconnaissance planes in the military.
2nd Sino-Japanese War
The Ki-15 was first used operationally in the 2nd Sino-Japanese War. In the early years the Ki-15s could outdistance any fighter the Chinese sent up to intercept it.
World War II
The Ki-15s and C5Ms were used operationally through 1942. They were eventually relegated to training and liaison tasks.
Finds Prince of Wales and Repulse
On December 10, 1941, a C5M2 was the first to spot the Prince of Wales and Repulse.