- Completed 20 August, 1923; sunk 10 October, 1944, NNE of Okinawa.
- Speed, 18 knots.
- Armament: 4 x 14 cm 50-cal guns, 2 x 8 cm 40-cal guns
- “…designed to operate with the fleet, controlling her submarine flotilla on operations, as well as maintaining the boats in harbor.”¹
- No catapult for the float plane, which had to be lowered onto the water for flight.
¹Jentschura, Hansgeorg, Dieter Jung, and Peter Mickel. Antony Preston, J.D. Brown, Tr. Warships of the Imperial Japanese Navy, 1869-1945. Annapolis: Naval Institute Press, 1977. (p.237)