User blog comment:Tsubakura/Mythbusting the metas of KanColle/@comment-27633922-20171217145449/@comment-24930367-20171217151730

Also a point to consider: you can also make an argument that Type 2 Seaplane Fighter Kai can be made from Akashi Arsenal with Chitose or Chiyoda's help and you can do this the moment you get Akashi.

That means sacrificing guns/shells/torps improvement to make a single seaplane fighter.