 None of Weiß's "Schwarm" returned, with 17 aircraft lost and 13 pilots, including Weiß, killed, while claiming six fighters.Weiß was one of the pilots killed, he was shot down in his Fw 190 D-9 ("Werknummer" 210 060—factory number) "Black 10" near Lengerich.His victor was Flight Sergeant K. F. Haanes of the RAF No.