| Previous | Current | ||
|---|---|---|---|
| Changes to Vessel Name | |||
| - | Koryo Maru No. 11 | + | Seisho Maru No. 18 |
| Changes to Effective Date | |||
| - | Wednesday, 1 January 1975 to Thursday, 21 August 1997 | + | Thursday, 21 August 1997 to Monday, 1 January 2001 |
| Changes to Owner | |||
| + | Yamada Suisan KK | ||
| Changes to Callsign | |||
| - | JDEG | ||