List of auxiliary ships by upgraded maximum stats

• This table will not use color legend to mark stat of different ships as each of them have different functions and there's little point to compare them against each other.

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No.	Name	Class															Notes
154	Katori Kai 香取改	Katori (CT)	35	36	40	48	62	48	12(54)	40	39	52	Slow	8 (2,2,2,2)	35	20
265	Kashima Kai 鹿島改			37	39	62	69	50	20(79)			54
166	Akitsu Maru Kai あきつ丸改	Special Purpose Ship Type C (LHA)	25	33	0	37	0	59	13(49)		43	49		24 (8,8,8)	45	25
184	Taigei 大鯨	Taigei (AS)	-	15		36		48	20(59)	39	37	39		8 (2,3,3)	35	10
187	Akashi Kai 明石改	Akashi (AR)	35	24				6	12(49)	45	27	39		0	55	15
260	Hayasui Kai 速吸改	Kai Kazahaya (AO)	25	36		48	36	59	8(44)	48	19	33		10 (6,3,1)	120	20
No.	Name	Class															Notes

• Akitsu Maru
  • Her base form cannot carry aircraft.
  • Her base form has a Daihatsu-class Landing Craft as her default equipment.
  • Her Kai has an uncraftable Type 3 Spotter/Liaison (ASW) & Ka-type Observation Autogyro.
• Akashi
  • She has an uncraftable Ship Repair Facility as her default equipment in base & Kai forms.
  • She has battleship-tier remodel cost, repair cost, and repair time.
• Taigei
  • She has the lowest ammo consumption among aircraft-carrying kanmusu.
• Hayasui
  • Her base form cannot carry aircraft except for seaplanes.
  • Her base form has an uncraftable Underway Replenishment item.

Roles of support ships

• Amphibious Warfare
  • Amphibious assault ships can only carry certain guns and ship-based aircraft.
  • Akitsu Maru is currently the only amphibious assault ship
    • LHA is one amphibious warfare type and the agreed stand-in as there is no equivalent.
      • Historically, Akitsu Maru was a landing craft carrier; in hopes of becoming an escort aircraft carrier, her remodel widened the flight deck increasing the ship's aircraft carrying capacity.
    • This role is reflected in Akitsu Maru being required for some installation type bosses.

• Repair
  • Repair ships (AR) can repair other ships in the same fleet.
  • Akashi is currently the only Repair Ship.
    • For details, see Anchorage Repair (泊地修理) .

• Replenishment
  • Submarine tenders can supply and support submarines.
  • ​Taigei is currently the only submarine tender (AS).
    • She does not yet have any special abilities, but she is required for Expedition 39 and enables superior pathing in 6-1.
  • Fleet Oilers/Replenishment Oiler can conduct underway replenishment on the high seas.
  • Hayasui is currently the only Fleet Oiler (AOR).
    • Her usage is currently unknown.

• Training
  • Training ships are designed to assist sailors in ocean-going life and in ship operations.
  • Katori and Kashima are currently the only Training Cruisers (CT).
    • (CT) is the agreed stand-in as there is no equivalent.
      • Historically, training cruisers were part of the kantei category, gunkan subdivision. They were not part of the tokumutei (special service, i.e., auxiliaries).
      • After about a year of training, she was equipped and operated as a regular light cruiser.
    • They do not count as light cruisers for most fleet composition requirements.
    • They are equipped like light cruisers.
    • They provide an experience bonus in PvP.
    • They are required as the flagship for Expedition 32.