Preceded by:
NoneSucceeded by:
None| Ship | Code | Builder | Laid | Launch | Comm | Decomm | Fate | ||
 |
No. 59 / RO-60 † | Mitsubishi | 05/12/1921 | 20/12/1922 | 17/09/1923 | 29/12/1941 | † | Grounded/Wrecked | |
|
No. 72 / RO-61 † | Mitsubishi | 05/06/1922 | 19/05/1923 | 09/02/1924 | 31/08/1942 | † | Loss by surface ship | |
|
No. 73 / RO-62 | Mitsubishi | 08/09/1922 | 29/09/1923 | 24/07/1924 | 15/08/1945 | Scuttled inactive | ||
|
RO-63 | Mitsubishi | 02/04/1923 | 24/01/1924 | 20/12/1924 | 15/08/1945 | Scuttled inactive | ||
|
RO-64 † | Mitsubishi | 15/10/1923 | 19/08/1924 | 30/04/1925 | 12/04/1945 | † | Loss by mine | |
|
RO-65 † | Mitsubishi | 15/11/1924 | 19/09/1925 | 30/06/1926 | 04/11/1942 | † | Loss by aircraft | |
|
RO-66 † | Mitsubishi | 01/12/1925 | 25/10/1926 | 28/07/1927 | 17/12/1941 | † | Loss in collision | |
|
RO-67 | Mitsubishi | 05/03/1925 | 18/03/1926 | 15/12/1926 | 22/06/1945 | Struck | ||
|
RO-68 | Mitsubishi | 06/02/1924 | 23/02/1925 | 29/10/1925 | 02/09/1945 | Scuttled inactive |