| Period | Ship name | Ship type | |
|---|---|---|---|
| 2001 | September | Cosmo | Survey ship |
| 2003 | September | Suisei | Survey ship |
| 2004 | August | Tsumura | Survey ship |
| 2005 | September | Suisei | Survey ship |
| 2006 | December | Ganryu | Oil / garbage collection ship |
| 2007 | June | Chinzei | Route research vessel |
| 2008 | July | Najima | Survey ship |
| 2009 | June | Chinzei | Route research vessel |
| 2009 | September | Kaiki | Survey observation and cleaning boat |
| 2010 | September | Kaiki | Survey observation and cleaning boat |
| 2010 | November | Cosmo | Survey ship |
| 2011 | July | Najima | Survey ship |
| 2013 | November | Cosmo | Survey ship |
| 2014 | July | Tachikaze | Harbor business boat |
| 2014 | November | Cosmo | Survey ship |
| 2015 | May | Chinzei | Route research vessel |
| 2015 | July | Tachikaze | Harbor business boat |
| 2015 | October | Cosmo | Survey ship |
| 2016 | April | Pegasus | Harbor business boat |
| 2016 | June | Tachikaze | Harbor business boat |
| 2017 | January | Kaien | Survey ship |
| 2017 | June | Pegasus | Harbor business boat |
| 2017 | July | Tachikaze | Harbor business boat |
| 2017 | November | Kaien | Survey ship |
| 2018 | May | Pegasus | Harbor business boat |
| 2019 | July | Tachikaze | Harbor business boat |
| 2019 | November | Kaien | Survey ship |
| 2019 | May | Pegasus | Harbor business boat |
| 2019 | June | Suisei | Harbor business boat |
| 2019 | July | Tachikaze | Harbor business boat |
| 2019 | September | Chinzei | Route research vessel |
| 2019 | November | Kaien | Survey ship |
| 2020 | April | Pegasus | Harbor business boat |
| 2020 | June | Suisei | Harbor business boat |
| 2020 | August | Tachikaze | Harbor business boat |
| 2020 | November | Kaien | Survey ship |
| 2021 | April | Pegasus | Harbor business boat |
| 2021 | August | Tachikaze | Harbor business boat |
| 2021 | November | Kaien | Survey ship |
| 2022 | August | Tachikaze | Harbor business boat |
| 2022 | November | Kaien | Survey ship |
Place：Kyusyu Regional Development Bureau Shimonoseki Technical Research Office Dock
▶Return to "Business content page"
Oil recovery and fire boat or tugboat "Hakuryu"
Basic plan for Navitec Co., Ltd. (1996)
Kyusyu Regional Development Bureau "Ganryu"
Maintenance remodeling (2007)
▶Return to "Business content page"
Maintenance (2001)
