Hi Regulus,
Thanks for your question!
I suspect the date was August 9th, 1917…
On this date, Shigeno was wounded during a combat but managed to land safely (Source referenced here below) and von Sachsenberg's records show a victory against a SPAD VII, Northeast of Lampernisse (
http://www.theaerodrome.com/aces/ger...chsenberg.html )
Best Regards,
Tsuru
Source:
Magazine:
Pégase Issue No. 72, January 1994 (Page 25)