| Displacement | 18t standard |
|---|---|
| Length | 17.0m |
| Width | 4.3m |
| Draught | 0.7m |
| Machinery | 2-shaft diesel, 760bhp |
| Speed | 20kt |
| Armament | 1-20mm MGs |
| Complement | 6 |
| Number | Name | Plan | Builder | Laid down | Launch | Complete | ||
|---|---|---|---|---|---|---|---|---|
| PB-919 | PB-19 (Shokaitei 19-Go) | FY1970 | IHI craft | 1970.10.22 | ? | 1971. 3.31 | Patrol boat | (PBUnit2, Hanshin station, Kure district) 1992.10.20 disc |
| PB-920 | PB-20 (Shokaitei 20-Go) | FY1970 | IHI craft | 1970.10.22 | ? | 1971. 3.31 | Patrol boat | (PBUnit2, Hanshin station, Kure district) 1992.10.20 disc |
| PB-921 | PB-21 (Shokaitei 21-Go) | FY1970 | IHI craft | 1970.10.22 | ? | 1971. 3.31 | Patrol boat | (PBUnit2, Hanshin station, Kure district) 1992.10.20 disc |
| PB-922 | PB-22 (Shokaitei 22-Go) | FY1970 | IHI craft | 1970.10.22 | ? | 1971. 3.31 | Patrol boat | (PBUnit1, Yokosuka defense, Yokosuka district) 1987. 7. 1 (PBUnit1, Yokosuka guard, Yokosuka district) 1992.10.20 disc |
| PB-923 | PB-23 (Shokaitei 23-Go) | FY1971 | IHI craft | 1971.12.24 | ? | 1972. 3.31 | Patrol boat | (PBUnit3, Sasebo defense, Sasebo district) 1987. 7. 1 (PBUnit3, Sasebo guard, Sasebo district) 1994.12.12 disc |
| PB-924 | PB-24 (Shokaitei 24-Go) | FY1971 | IHI craft | 1971.12.24 | ? | 1972. 3.31 | Patrol boat | (PBUnit3, Sasebo defense, Sasebo district) 1987. 7. 1 (PBUnit3, Sasebo guard, Sasebo district) 1994. 8.19 disc |
| PB-925 | PB-25 (Shokaitei 25-Go) | FY1972 | IHI craft | 1972.11.30 | ? | 1973. 3.29 | Patrol boat | (PBUnit1, Yokosuka defense, Yokosuka district) 1987. 7. 1 (PBUnit1, Yokosuka guard, Yokosuka district) 1992.10.20 (PBUnit1, Hanshin station, Kure district) 1998. 5. 7 disc |
| PB-926 | PB-26 (Shokaitei 26-Go) | FY1972 | IHI craft | 1972.11.30 | ? | 1973. 3.29 | Patrol boat | (PBUnit1, Yokosuka defense, Yokosuka district) 1987. 7. 1 (PBUnit1, Yokosuka guard, Yokosuka district) 1992.10.20 (PBUnit1, Hanshin station, Kure district) 1998. 6.22 disc |
| PB-927 | PB-27 (Shokaitei 27-Go) | FY1972 | IHI craft | 1972.11.30 | ? | 1973. 3.29 | Patrol boat | (PBUnit3, Sasebo defense, Sasebo district) 1987. 7. 1 (PBUnit3, Sasebo guard, Sasebo district) 1994.12.12 (PBUnit1, Hanshin station, Kure district) 1998. 6.22 (Hanshin station, Kure district) 1999. 1.14 disc |