Zatsuekisen (Miscellaneous Harbour Ships)
(Kidosentei-Steam Boats/Motor Boats)
Kyunansen (Salvage Ships)๖/Kyunansen ken Eisen (Salvage Tugs): Over 600t
Eisen (Tugs) : 300t, 150t, 100t
Fusetsutei Gata (Minelayer Type)๖
Kusentei Gata (Sub-chaser Type)๖
Eisen ken Kotsusen (Tugs and Communication Ships) : 300t, 150t, 100t
Vedette Gata (Vedette Type)๕
Fusetsutei Gata (Minelayer Type)๖
Kusentei Gata (Sub-chaser Type)๖
Kotsusen (Communication Ships)๖
Kansai-suiraitei Gata/Suiraitei Gata/Vedette Gata (Vedette Type)๕
Naikasiki Kayo Tokugata (Small River Gunboats)๕
Kotsusen ken Eisen (Communication Ships and Tugs): 60t, 20t
Kansai-suiraitei Gata/Suiraitei Gata (Vedette Type)๕
Kotsusen ken Kansokusen (Communication and Observatory Ships)๖
Hikoki Kyunansen (Aircraft Rescue Boats) : 300t, 200t, 150t
Naikatei (Motor Boats):17m, 15m, 12m, 11m, Under 9m, High Speed Craft
Hotei Gata (Gunboat Type)๖
Kansai-suiraitei Gata/Suiraitei Gata (Vedette Type)๕
Kusentei Gata (Sub-chaser Type)๕
Gyorai-tsuijo Gata (Torpedo Recovery Boat Type)๖
Gyoraitei Gata (Motor Torpedo Boat Type)๖
Gyosen Gata (Fishing Boat Type)๖
Launch Gata (Launch Type)๕
Chokan-tei/Sireikan-tei (Commander Crafts) :15m
(Totei-Oarsj
Launches (with an engine)๕
Naika Launch (Motor Launches) :12m
Cutters: 9m, 7m, 3.5m (Hasike Gata: Barge type)
Hirazoko Gata (Plane Bottom Type)๖
Yochts๖
(Zasshusen-Miscellaneous Ships)
Naika Temmasen (Motor Sampans) : 15m, 12m, 10m, 6m
Unkasen Gata (Barge Type)๕
Temmasen (Sampans): 12m, 10m, 8m, 6m
Yocht Gata (Yocht Type)๕
Unkasen (Barges)
Chaland Gata (Chaland Type) : Load 200t, 100t, 50t
Daruma Gata (Western Type): Load 200t, 100t, 50t
Dambei Gata (Japanese Type): Load 30t
Tokugata (Special Type) : 14m, 10m
Hasike Gata (Lighter Type)๖
Mokuzo (Wooden Type) ๖: 15m with engine
Tokugata-unkasen (Landing Crafts)๖
Hikoki-umpansen (Aircraft Freighters)
Gyorai-umpansen (Torpedo Freighters)
Gyorai-sagyotei (Torpedo Workboats)๖
Ryoshoku-haikyutei/-sen ๖ (Food Supply Crafts/Ships): 15m
Suisen (Water Carriers): Load 250t, 150t, 100t, 50t, 30t
Juyusen (Fuel Oil Carriers): Load 300t, 150t
Keishitsuyusen (Light Oil Carriers) : Load 200t, 100t, 50t
Junkatsuyusen (Lube Oil Carriers): Load 100t, 50t
Kihatsuyu-umpansen/Kihatsuyusen (Gasoline Carriers)๕
Juyu-bunrisen (Heavy Oil Separation Ships)๖
Kijukisen (Floating Cranes) : Lift over 75t, 50t, 30t, 15t
Kijuki-daisen (Crane Barges)๖
Shunsetsusen (Dredgers)
Bucket Type
Dipper Type
Priestman Type
Doroukesen (Hopper Barges): Load 50x3.3m2, 35x3.3m2, 20x3.3m2, 8x3.3m2
Gansaisen (Rock Breakers)
Sankosen (Drilling Ships)๖
Kyosen (Pontoons)
Ukisambashisen/Ukisanbashi (Floating Piers)๖
Hyotekisen (Target Ships)
Dai-1-shu-hyoteki (Target Pontoons)
Ogata (Large Type)๖
Tokugata (Special Type)๖
Gyorai-hyotekiro (Torpedo Target Derricks)
Gyorai-hyotekisen (Torpedo Target Ships)
Kosakusen (Repair Ships)๖
Fusenkyo (Floating Drydocks)
Sokuryotei (Hydrographical Survey Crafts)
Sokuryosen (Hydrographical Survey Ships)๖
Sokuryosen ken Kotsusen (Hydrographical Survey and Communication Ships)๖
Sokuryosen ken Kaiyo-kansokusen (Hydrographical Survey and Oceanographic Observatory Ships)๖
Kassotei (Propelled Crafts)๕
Doryokusen (Power Suply Ships)
Jinkaisen (Dumpers)
Shokatei (Fire Extinguishing Crafts)
Denran-fusetsusen (Controlled Mine Layers)
Kaiyo-kansokusen (Oceanographic Observatory Ships)
Renshusen/-tei (Training Ships/Crafts)
Reitosen (Freezing Carriers)
Sensui-sagyotei (Diving Boats)
Yusosen (Cargo Ships/Tankers)๖
No marks are divisions set forth in "Zatsuekisen Senshu oyobi Shozoku Teisu-hyo" (The internal order No. 1182 on 31 December 1938 revised by the internal orders Nos.323, 450, 684, 787 and 959 in 1939: List of division and each affiliation quorum of Miscellaneous Harbour Ships)
The divisions with ๖ are found in the naval gazette on and after 7 June 1939.
The divisions with ๕ are found in the naval gazette before 7 June 1939.
Chinsuisen (Balast Ships for Salvage)๕
Under researching