K6 type 2nd class submarines



Displacement960t standard, 1115t surface, 1447t submerged
Length76.50m pp, 79.00m wl, 80.50m oa
Width7.05m
Draught4.07m
Machinery2-shaft diesel and electoric motor, 4200bhp surface, 1200shp submerged
Speed19.7kt surface, 8kt submerged
Armament4-53cm TT, 1-8cm/40cal AA gun, 2-25mm AA
Complement54


Name Plan Builder Laid down Launch Complete
Ro-35FY1939Mitsubishi, Kobe1941.10. 91942. 6. 41943. 3.25SS21943. 8.25 sunk
(action, near Espiritu Santo)
[12.57S, 164.23E]
1943.10. 2 missing
1943.12. 1 disc
Ro-36FY1939Mitsubishi, Kobe1942. 3. 71942.10.141943. 5.27SS21944. 6.13 sunk
(action, E of Saipan)
[15.21N, 147E]
1944. 7.12 missing
1944. 8.10 disc
Ro-37FY1939Mitsubishi, Kobe1941.10. 91942. 6.301943. 6.30SS21944. 2.17 missing
(Espiritu Santo area)
[11.47S, 164.17E]
1944. 4.30 disc
Ro-38FY1939Mitsubishi, Kobe1942. 6.201942.12.241943. 7.24SS21944. 1. 2 missing
(Gilbert Is. area)
1944. 4.30 disc
Ro-39FY1939Sasebo NYd1942. 8. 81943. 3. 61943. 9.12SS21944. 2. 3 sunk
(action, E of Wozze)
[09.24N, 170.32E]
1943. 3. 5 missing
1944. 4.30 disc
Ro-40FY1939Mitsubishi, Kobe1942. 8. 81943. 3. 61943. 9.28SS21944. 2.16 sunk
(action, off Kwejerin)
[09.50N, 166.35E]
1944. 3.28 missing
1944. 4.30 disc
Ro-41FY1939Mitsubishi, Kobe1942.10. 61943. 5. 51943.11.26SS21945. 3.23 sunk
(action, SE of Okinawa)
[22.57N, 132.19E]
1945. 4.15 missing
1945. 5.25 disc
Ro-42FY1939Sasebo NYd1942. 4.271942.10.251943. 8.31SS21944. 7.12 missing
(near Saipan)
[10.05N, 168.22E]
1944. 8.10 disc
Ro-43FY1939Mitsubishi, Kobe1942.10. 61943. 6. 51943.12.16SS21945. 2.27 sunk
(air attack, near Iwo Jima)
[25.07N, 140.19E]
1945. 3.14 missing
1945. 4.10 disc
Ro-44FY1941Tamano SB1942. 2.141942.11.111943. 9.13SS21944. 6.16 sunk
(action, off Braun I.)
[11.13N, 164.15E]
1944. 7.12 missing
1944. 8.10 disc
Ro-45FY1941Mitsubishi, Kobe1942.10.201943. 7.211944. 1.11SS21944. 5. 1 sunk
(action, S of Truk)
[06.13N, 151.19E]
1944. 5.20 missing
1944. 7.10 disc
Ro-46FY1941Mitsubishi, Kobe1942. 6.131943. 4.231944. 2.19SS21945. 4.29 sunk
(air attack, off Okino-Daito I.)
1945. 5. 2 missing
1945. 6.10 disc
Ro-47FY1941Tamano SB1942.12.281943. 8.201944. 1.31SS21944. 9.26 sunk
(action, NE of Palau)
[09.19N, 136.44E]
1944.11. 2 missing
1945. 3.10 disc
Ro-48FY1941Mitsubishi, Kobe1942. 3.171943.10.151944. 3.31SS21944. 7.14 sunk
(action, NW of Saipan)
[15.18N, 144.26E]
1944. 7.15 missing
1944.10.10 disc
Ro-49FY1941Tamano SB1942.11.161943. 8. 31944. 5.19SS21945. 4.15 missing
(Okinawa area)
[26.22N, 126.30E]
1945. 5.25 disc
Ro-50FY1941Tamano SB1943. 2.181943.11.271944. 7.31SS21945.11.30 disc
1946. 4. 1 scuttled
Ro-51FY1941----1943 cancelled
Ro-52FY1941----1943 cancelled
Ro-53FY1941----1943 cancelled
Ro-54FY1941----1943 cancelled
Ro-55FY1941Tamano SB1943. 8. 51944. 4.231944. 9.30SS21945. 2. 7 sunk
(action, S of Lingayen)
[15.27N, 119.25E]
1945. 3. 1 missing
1945. 5.10 disc
Ro-56
(Ro-75)		FY1941Tamano SB1943.12. 21944. 7. 51944.11.15SS21945. 4.15 missing
(Okinawa area)
[26.09N, 130.21E]
1945. 5.25 disc
Ro-70FY1941----1943 cancelled
Ro-71FY1941----1943 cancelled
Ro-72FY1941----1943 cancelled
Ro-73FY1941----1943 cancelled
Ro-74FY1941----1943 cancelled
Ro-200FY1942----1943 cancelled
Ro-201FY1942----1943 cancelled
Ro-202FY1942----1943 cancelled
Ro-203FY1942----1943 cancelled
Ro-204FY1942----1943 cancelled
Ro-205FY1942----1943 cancelled
Ro-206FY1942----1943 cancelled
Ro-207FY1942----1943 cancelled
Ro-208FY1942----1943 cancelled
Ro-209FY1942----1943 cancelled
Ro-210FY1942----1943 cancelled
Ro-211FY1942----1943 cancelled
Ro-212FY1942----1943 cancelled
Ro-213FY1942----1943 cancelled
Ro-214FY1942----1943 cancelled
Ro-215FY1942----1943 cancelled
Ro-216FY1942----1943 cancelled
Ro-217FY1942----1943 cancelled
Ro-218FY1942----1943 cancelled
Ro-219FY1942----1943 cancelled
Ro-220FY1942----1943 cancelled
Ro-221FY1942----1943 cancelled
Ro-222FY1942----1943 cancelled
Ro-223FY1942----1943 cancelled
Ro-224FY1942----1943 cancelled
Ro-225FY1942----1943 cancelled
Ro-226FY1942----1943 cancelled
Ro-227FY1942----1943 cancelled


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Copyright © Hiroshi Nishida (Misohito), 2003.