Ro-100-class submarine
Boat # Name Builder Laid down Launched Completed Fate
210 Ro-100 Kure Naval Arsenal 1941-06-30 1941-06-12 1942-08-23 Sunk by naval mine off Bougainville Island 1943-11-25
211 Ro-101 Kawasaki-Kōbe Shipyard 1941-09-30 1942-04-17 1942-10-31 Sunk by USS Saufley and PBY southeast of San Cristobal 1943-09-15
212 Ro-102 Kawasaki-Kōbe Shipyard 1941-09-30 1942-04-17 1942-11-17 Disappeared south of Rabi after 1943-05-09
213 Ro-103 Kure Naval Arsenal 1941-06-30 1941-12-06 1942-10-21 Disappeared in the Solomon Islands after 1943-07-28 , possibly sunk by a mine or a PT boat
214 Ro-104 Kawasaki-Kōbe Shipyard 1941-11-19 1942-07-11 1943-02-25 Sunk by USS England north of the Admiralty Islands 1944-05-23
215 Ro-105 Kawasaki-Kōbe Shipyard 1941-11-19 1942-07-11 1943-03-05 Sunk by USS England north of the Admiralty Islands 1944-05-31
216 Ro-106 Kure Naval Arsenal 1941-12-17 1942-05-30 1942-12-26 Sunk by USS England north of the Admiralty Islands 1944-05-22
217 Ro-107 Kure Naval Arsenal 1941-12-17 1942-05-30 1942-10-26 Sunk by USS Taylor east of Kolombangara 1943-07-21
218 Ro-108 Kawasaki-Kōbe Shipyard 1942-04-20 1942-10-26 1943-04-20 Sunk by USS England north of the Admiralty Islands 1944-05-26
400 Ro-109 Kawasaki-Kōbe Shipyard 1942-04-20 1942-10-26 1943-04-29 Sunk by USS Horace A. Bass south of Okinawa Island 1945-04-25
401 Ro-110 Kawasaki-Kōbe Shipyard 1942-08-20 1943-01-26 1943-07-06 Sunk by HMAS Launceston , HMAS Ipswich and INS Jumna in the Bay of Bengal 1944-02-12
402 Ro-111 Kawasaki-Kōbe Shipyard 1942-08-20 1943-01-26 1943-07-10 Sunk by USS Taylor north of the Admiralty Islands 1944-06-10
403 Ro-112 Kawasaki-Senshū Shipyard 1942-06-20 1943-03-25 1943-09-14 Sunk by USS Batfish in the Luzon Strait 1945-02-11
404 Ro-113 Kawasaki-Senshū Shipyard 1942-07-11 1943-04-24 1943-10-12 Sunk by USS Batfish in the Luzon Strait 1945-02-12
405 Ro-114 Kawasaki-Senshū Shipyard 1942-10-12 1943-06-19 1943-11-20 Sunk by USS Melvin and USS Wadleigh east of Saipan 1944-06-17
406 Ro-115 Kawasaki-Senshū Shipyard 1942-10-12 1943-06-19 1943-11-30 Sunk by USS Jenkins , USS O'Bannon and USS Bell west of Mindoro 1945-02-01 . Holmes contradicts the identification , indicating that Ro-115 acknowledged orders to proceed to Manila two days after the supposed date of its sinking , and was more likely to have been sunk by USS Batfish on 1945-02-10
407 Ro-116 Kawasaki-Senshū Shipyard 1943-01-16 1943-09-13 1944-01-21 Sunk by USS England north of the Admiralty Islands 1944-05-24
408 Ro-117 Kawasaki-Senshū Shipyard 1943-01-16 1943-09-13 1944-01-31 Sunk by USN patrol bomber southeast of Saipan 1944-05-24
Boats
18 boats were built in 1941-1944 under the Maru Rin Programme ( Boat # 210-218 ) and the Maru Kyū Programme ( Boat # 400-408 ) .
The was a group of medium-sized coastal submarines built for the Imperial Japanese Navy (IJN) during World War II. The IJN official designation for this class was or . The type name, was shortened to .