Talk:Prototype Keiun (Carrier-based Reconnaissance Model)/@comment-26948145-20161212032721/@comment-261125-20161212035008

It is available from quests.

The development of innovated reconnaissance aircraft
 * Scrap 2x Type 0 Recon Seaplane, and have UNLOCKED Type 1 Land-based Attack Aircraft and 2 Saiun.

Besides, you can get an engine and two blueprints from quests, which is exactly what you need for another quest to get the Kikka Kai.