On 22 October there were many sorties by German flyers. Six aircraft attacked a 1½ Strutter of 45 Squadron and wounded the observer, who shot one down. Later in the day, three 45 Squadron aircraft were shot down and an F.E.2b shot down one aircraft and damaged another, before the observer was mortally wounded; four British aircraft were shot down beyond German lines. During 23 October, two Reserve Army artillery observation aeroplanes were shot down by . On 26 October, despite poor weather both sides flew many sorties; a fight between five Airco DH.2s of 24 Squadron and twenty Halberstadt D.IIs was indecisive but later in the day, eight aircraft led by Boelcke, shot down one British observation aircraft, forced down two more and a British fighter which intervened. One German fighter was then shot down when a formation of British fighters from 32 Squadron turned up. Boelcke was killed on 28 October, when he collided with a German aircraft during an attack on two British fighters, which returned safely.