In the book Sky their battlefield, which lists all allied aerial casualties of the Great War, Reginald is mentioned three times.
31st August 1918 - Flying Bristol F2b serial E2469 with his pilot 2Lt JB Cowan, crashed after an offensive patrol at Elverdinghe - forced to land after taking a hit by anti-aircraft fire.
1st October 1918 - Flying Bristol F2b serial E2531 with his pilot Lt EC Shurley, shot up during combat on an offensive patrol to Menin. Both OK.
25th October 1918 - flying Bristol F2b serial E-2534 with his pilot 2Lt G Thorneton-Norris, Forced to land at Deerlyck at 2.45pm due to anti-aircraft fire. Both OK.