I did some reseach into the battle which became famous in the annals of the R.A.F. as “Two against Twenty”.
First the references:
Official documents:
Combat report for this action.
Royal Air Force Communiqué dated for action occurring May 7 1918.
*Above the Trenches – Shores,Franks & Guest 1990
A.C. Atkey / C.G. Gass flying Bristol F2B 1164 - 5 Destroyed ( 2 in Flames)
J.E. Gurdon / A.J.H. Thorton flying Bristol F2B 1253 - 3 Destroyed ( 1 in Flames)
The location was reported 10m N.E. Arras at approx. 1845hrs to 1850+ hrs.
Its also believed Atkey’s last victory in a DH – 4 (A8064) was over Ltn.
Paul Straehle (15 victories) Leader of Jasta 57 who was forced to land after being shot up by a two seater dated April 21 1918. Atkey reported out of control for this action. *
Atkey is recorded as being the top scoring British Empire pilot for the month of May 1918 with 27 victories. *
C.G. Gass was the most successful gunner in the R.A.F.*