| Line | ExpoCode | Ship | Cruise Dates | Chief Scientist | Country | |
|---|---|---|---|---|---|---|
| PR19 | 49TU9010_3 | CHOFU MARU | 1990-11-13 to 1990-11-21 | Ikuo Kaneko | JPN | |
| PR19 | 49TU9110_3 | CHOFU MARU | 1991-11-05 to 1991-11-11 | Eiichi Moriyama | JPN | |
| PR19 | 49TU9210_4 | CHOFU MARU | 1992-11-08 to 1992-11-19 | Y. Tomiyama | JPN | |
| PR19 | 49TU9310_2 | CHOFU MARU | 1993-10-29 to 1993-11-11 | Y. Tomiyama | JPN | |
| PR19 | 49TU9410_2 | CHOFU MARU | 1994-10-16 to 1994-10-20 | Kan Kimura | JPN | |
| PR19 | 76ADPR19 | XIANG YANG HONG 16 | CHN |




