| Period | Ship name | Ship type | |
|---|---|---|---|
| 2022 | April | Sanseto | Harbor business boat |
| 2023 | January | Amikaze | Harbor business boat |
| 2023 | April | Mutsure-maru | Shimonoseki city ferry |
| 2023 | June | Kotaka-maru | fishery research vessel |
| 2023 | July | Hibiki | patrol boat |
| 2023 | December | Hayase | patrol boat |
| 2024 | April | Mutsure-maru | Shimonoseki city ferry |
Place：Our Shipbuilding Division (Hikoshima)
| 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 |
| 2023 | July | Tachikaze | Harbor business boat |
| 2023 | August | Amikaze | Harbor business boat |
| 2023 | November | Kaien | Survey ship |
| 2024 | April | Amikaze | Harbor business boat |
| 2024 | April | Tachikaze | Harbor business boat |
| 2024 | November | Kaien | Survey ship |
| 2025 | April | Amikaze | Harbor business boat |
Place：Kyusyu Regional Development Bureau Shimonoseki Technical Research Office Dock
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Oil recovery and fire boat or tugboat "Hakuryu"
Basic plan for Navitec Co., Ltd. (1996)
Kyusyu Regional Development Bureau "Ganryu"
Maintenance remodeling (2007)
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Maintenance (2001)
