| Displacement | 440t standard |
|---|---|
| Length | 60m |
| Width | 7.1m |
| Draught | 2.3m |
| Machinery | 2-shaft diesel, 3800bhp |
| Speed | 20kt |
| Armament | 2-40mm MGs (2x1), 1 Hedgehog, 1 DC rack, 6-32cm TT (3x2) |
| Complement | 80 |
| Number | Name | Plan | Builder | Laid down | Launch | Complete | ||
|---|---|---|---|---|---|---|---|---|
| PC-311 | Mizutori | FY1958 | Kawasaki, Kobe | 1959. 3.13 | 1959. 9.22 | 1960. 2.27 | Submarine Chaser | (Ominato district) 1960. 2.29 (Maizuru district) 1960. 3.15 (SubChaseron4, Maizuru district) 1981. 3.27 Auxiliary Service boat renamed ASU-89 (ASU-89) (Maizuru district) 1985. 3.27 disc |
| PC-312 | Yamadori | FY1958 | Fujinagata SB | 1959. 3.14 | 1959.10.22 | 1960. 3.15 | Submarine Chaser | (SubChaseron4, Maizuru district) 1981. 3.27 Auxiliary Service boat renamed ASU-90 (ASU-90) (Maizuru district) 1985. 3.27 disc |
| PC-313 | Otori | FY1959 | Kure SB | 1959.12.16 | 1960. 5.27 | 1960.10.13 | Submarine Chaser | (Sasebo district) 1960.12. 1 (SubChaseron5, Sasebo district) 1961.10. 1 (SubChaseron3, Sasebo district) 1977.12. 1 (SubChaseron3, Kure district) 1982. 3.27 Auxiliary Service boat renamed ASU-61 (ASU-61) (Sasebo district) 1985.10.31 disc |
| PC-314 | Kasasagi | FY1959 | Fujinagata SB | 1959.12.18 | 1960. 5.13 | 1960.10.31 | Submarine Chaser | (Sasebo district) 1960.12. 1 (SubChaseron5, Sasebo district) 1961.10. 1 (SubChaseron3, Sasebo district) 1977.12. 1 (SubChaseron3, Kure district) 1981. 3.27 Auxiliary Service boat renamed ASU-87 (ASU-87) (Sasebo district) 1985. 3.27 disc |
| PC-315 | Hatsukari | FY1959 | Sasebo HI | 1960. 1.25 | 1960. 6.24 | 1960.11.15 | Submarine Chaser | (Sasebo district) 1960.12. 1 (SubChaseron5, Sasebo district) 1961.10. 1 (SubChaseron3, Sasebo district) 1977.12. 1 (SubChaseron3, Kure district) 1982. 3.27 Auxiliary Service boat renamed ASU-62 (ASU-62) (Kure district) 1985.10.31 disc |
| PC-316 | Umidori | FY1961 | Sasebo HI | 1962. 2.15 | 1962.10.15 | 1963. 3.30 | Submarine Chaser | (SubChaseron4, Maizuru district) 1984. 3.30 Auxiliary Service boat renamed ASU-63 (ASU-63) (Ominato district) 1987. 3.24 disc |
| PC-319 | Shiratori | FY1963 | Sasebo HI | 1964. 2.29 | 1964.10. 8 | 1965. 2.26 | Submarine Chaser | (SubChaseron3, Sasebo district) 1977.12. 1 (SubChaseron3, Kure district) 1985. 3.27 (SubChaseron4, Maizuru district) 1986. 3.19 Auxiliary Service boat renamed ASU-66 (ASU-66) (Maizuru district) 1989. 3.24 disc |
| PC-320 | Hiyodori | FY1964 | Sasebo HI | 1965. 2.26 | 1965. 9.25 | 1966. 2.28 | Submarine Chaser | (SubChaseron4, Maizuru district) 1986. 3.19 (Maizuru district) 1987. 4.27 Auxiliary Service boat (ASY-92) (Yokosuka guard, Yokosuka district) 1999. 7. 6 disc |