Changes
→Class classification
| style="text-align:center;"|''Kōkū Senkan''
| style="text-align:center;"|''Kōkū Senkan''
| style="text-align:center;"|Aviation Battleship
| style="text-align:center;"|Aviation Battleship
|-
| style="text-align:center;"|AR
| style="text-align:center;"|工
| style="text-align:center;"|工作艦
| style="text-align:center;"|''Kōsakukan''
| style="text-align:center;"|Repair Ship
|}
|}