| Name | Mizuho - PHL21 | | Category | Military ships - Coast guard ships | | IMO | 8602464 | | Call sign | JEQE | | Flag | Japan | | Year of built | 1986 | | Place of built | Japan | | Length, m | 130.00 | | Width, m | 15.50 | | Draught, m | 8.80 | | Deadweight, t | 4,900 | | Gross tonnage | 5,259 |
| | Home port | Tokyo | | Shipbuilder | Mitsubishi Heavy Industries, Shimonoseki | | Main engine power, h.p. | 18,000 | | Speed, kts | 23.0 | | Owner | Japan government | | Operator | Japan coast guard (JCG) | | Status | In operation |
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