| Displacement | 11600t standard, 17600t full load |
|---|---|
| Length | 134m oa |
| Width | 28m |
| Draught | 9.2m |
| Machinery | 3-shaft diesel-electric, 53900bhp/30000hp |
| Speed | 19kt |
| Range | 25000nm/15kt |
| Armament | 2 S-61A Helicopters, 1 OH-6D Helicopter |
| Sensor | Radar: OPS-18, OPS-22 |
| Complement | 170 (60 observation team additionally) |
| Number | Name | Plan | Builder | Laid down | Launch | Complete | ||
|---|---|---|---|---|---|---|---|---|
| AGB-5002 | Shirase | FY1979 (Ministry of Education) | NKK, Tsurumi | 1981. 3. 5 | 1981.12.11 | 1982.11.12 | Icebreaker | (Yokosuka district) 2008. 7.30 disc |