Ex-US Albatoross class coastal mine sweeper acquired by Military Assistance Program.
| Standard Displacement | 310t |
| Length | 41.50m |
| Beam | 7.10-8.40m |
| Draught | 2.50m |
| Machine Type | 2 Diesel |
| Output | 1000PS |
| Number of shaft | 2 |
| Speed | 15kt |
| Crew | 39 |
| Original | Radar Refit (1958-) | |
| Guns | 1 Mk 14 40mm MG(I)
2 Mk 10 20mm MG(I) |
as left |
| AS Weapons | 1 Mine sweeping set | as left |
| Electronic Equipment | 1 SO SS Radar | 1 OPS-4 SS Radar |
| Name | Laid Down | Launched | Completed | Transfered | Deleted |
| MSC 655 Ujishima | ? | ? | 1943/06/13 | 1955/03/18 (ex-YMS 192) | 1966/03/31 |
| MSC 656 Etajima | ? | ? | 1943/08/06 | 1955/03/15 (ex-YMS 231) | 1966/03/31 (YAS 37)
1966/11/30 |
| MSC 657 Nuwajima | ? | ? | 1943/09/09 | 1955/03/21 (ex-YMS 369) | 1966/03/31 (YAS 38)
1967/03/31 |
| MSC 658 Yakushima | ? | ? | 1944/09/27 | 1955/03/22 (ex-YMS 422) | 1966/03/31 (YTE 10)
1969/03/31 |
| MSC 659 Ogishima | ? | ? | 1945/02/20 | 1955/04/16 (ex-YMS 441) | 1966/03/31 (YAS 39)
1968/03/31 |
| MSC 660 Yugeshima | ? | ? | 1944/06/21 | 1955/04/16 (ex-YMS 461) | 1966/03/31 (YAS 40)
1968/03/31 |
| MSC 661 Yurishima | ? | ? | 1944/10/01 | 1955/04/16 (ex-YMS 415) | 1966/03/31 (YAS 41)
1968/03/31 |
| MSC 662 Ninoshima | ? | ? | 1944/03/28 | 1959/03/16 (ex-YMS 372) | 1966/03/31 (YAS 42)
1968/03/31 |
| MSC 663 Moroshima | ? | ? | 1943/08/09 | 1959/03/16 (ex-YMS 378) | 1966/03/31 (YAS 43)
1968/03/31 |