Hello,
Currently on ebay is a photo of a collision involving an Aviatik and Albatros C.I C.600/15 at:
https://www.ebay.de/itm/Foto-1-WK-Fl...AAAOSwJstgQdcn
The close up of the Aviatik,shows that that aircraft belonged to a Fliegerersatz Abteilung 6.
Regards,
Clint