Technical Research and Development Institute (12 July 2014). "先進技術実証機の現況". mod.go.jp. Archived from the original on 16 July 2014. Retrieved 12 July 2014.
Takahashi, Kosuke (April 20, 2014). "平成のゼロ戦、「心神」が年内初飛行へ" [The first flight of the "Shinshin", a Zero fighter of the Heisei era, by the end of this year]. Toyo Keizai (in Japanese).
web.archive.org
Technical Research and Development Institute (12 July 2014). "先進技術実証機の現況". mod.go.jp. Archived from the original on 16 July 2014. Retrieved 12 July 2014.