| Call sign ID code | Name (in Japanese) | Date (YYYY/MM/DD) | GT | Org. code | |
|---|---|---|---|---|---|
| Commissioned | Decommissioned | ||||
| JNZL | Kaiyo (開洋丸) | 1991/07 | in-service | 2630 | 03100 |
| JNVF | Kaiyo (開洋丸) | 1967/09 | 1991/07 | 2539 | 03100 |
| JDRD | Shoyo (照洋丸) | 1974/03 | 1998/04 | 1362 | 03100 |
| JQYL | Shoyo (照洋丸) | 1956/06 | 1974/02 | 602 | 03100 |
| 8LRY | Hokko (北光丸) | 1976/06 | 2004/07 | 466.49 | 03101 |
| JLZI | Hokko (北光丸) | 1960/05 | 1976/05 | 220 | 03101 |
| 7LAY | Tankai (探海丸) | 1982/03 | in-service | 168 | 03101 |
| 8KCI | Tankai (探海丸) | 1964/03 | 1982/02 | 102 | 03101 |
| JKIL | Tankai (探海丸) | 1932/02 | 1964/02 | 83 | |
| 1950/04 | 1964/02 | 03101 | |||
| 1932/02 | 1950/03 | 03100 | |||
| JGWV | Wakataka (わかたか丸) | 1970/03 | 1995/02 | 143 | 03102 |
| JKGM | Wakataka (わかたか丸) | 1960/03 | 1970/02 | 83 | 03102 |
| JBET | Asahi No.1 (第一旭丸) | 1947/12 | 55 | 03102 | |
| JCDF | Soyo (蒼鷹丸) | 1970/03 | 1994/09 | 494 | |
| 1989 | 1994/09 | 03103 | |||
| 1970/03 | 1989 | 03109 | |||
| JHVP | Soyo (蒼鷹丸) | 1954/12 | 1970/02 | 257 | 03109 |
| JAZB | Soyo (蒼鷹丸) | 1925/01 | 1954/11 | 202 | |
| 1944 | 1954/11 | 03109 | |||
| 1925/01 | 1944 | 03100 | |||
| JAXB | Shirafuji (しらふじ丸) | 1983/03 | in-service | 138 | |
| 1998/10 | in-service | 03110 | |||
| 1983/03 | 1998/09 | 03104 | |||
| 8LDG | Shirafuji (しらふじ丸) | 1965/03 | 1983/02 | 95 | 03104 |
| _AK65_ | Kotaka (こたか丸) | 1972/03 | 1995/02 | 47 | 03104 |
| _KC_ | Kotaka (こたか丸) | 1962/03 | 1972/02 | 19 | 03104 |
| 7KDD | Yoko (陽光丸) | 1979/07 | in-service | 499.76 | 03105 |
| JQXK | Yoko (陽光丸) | 1961/03 | 1979/06 | 213 | |
| 1973/03 | 1979/06 | 03105 | |||
| 1961/03 | 1973/03 | 03109 | |||
| JJEB | Mizuho (みずほ丸) | 1981/02 | in-service | 156 | 03106 |
| 8JAC | Mizuho (みずほ丸) | 1962/03 | 1981/01 | 77 | 03106 |
| 8JIF | Shunyo (俊鷹丸) | 1973/03 | in-service | 396.85 | 03107 |
| JDVF | Shunyo (俊鷹丸) | 1957/02 | 1973/02 | 183 | 03107 |
| JDJB | Hatsutaka (初鷹丸) | 1924/12 | 286 | 03100 | |
| JXXB | Hisho (飛隼丸) | 1929/04 | 1945/08 | 318 | 03100 |
| JFCC | Hakutaka (白鷹丸) | 1929/08 | 1944 | 1327 | 03100 |
| JKOL | Shinyo (神鷹丸) | 1937/02/27 | 1963 | 235 | 03100 |
| JIHK | Kaiho (快鳳丸) | 1917/06 | 1945/08 | 1093 | 03100 |
| _YE_ | Yoneyama (米山丸) | 1964/12 | 03100 | ||
| _KE_ | Kyoei (共栄丸 [用船]) | 1964/12 | 03100 | ||
| _NN_ | Nanao (七尾丸) | 1964/12 | 03100 | ||
| _Y1_ | Kyo No.1 (第一京丸 [用船]) | 1964/12 | 03100 | ||
| _EO64_ | Seiyo No.1 (第一成洋丸) | 1964/12 | 03100 | ||
| JQHT | Yuryo No.8 (第八有漁丸 [用船]) | 1971/06 | 349 | ____ | |
| 7LAM | Yoshi No.81 (第八十一吉丸 [用船]) | 1978/12 | 349 | _____ | |
| _YL_ | Yamasan No.11 (第十一やまさん丸 [用船]) | 124 | 03101 | ||