Legendary New Zealand fighter pilot Major Keith Logan 'Grid' Caldwell scored at least 4 aerial victories in D6864 between June 1st, 1918, and the 5th September, 1918. On this day, D6864 crashed after a collision with another 74 Squadron SE.5a.
On the 5th September, 1918, Major Keith Logan 'Grid' Caldwell, OC 74 Squadron, RAF, collided in mid-air with another SE.5a over the Cambrai sector. 'Grid' escaped miraculously by jumping of the wing at the very last moment, close to British lines.