Otto Würfel was credited with 79 arial victories all over the Eastern Front (World War II).

[2] On 23 February 1944, Würfel was piloting his Focke-Wulf Fw 190 A-5 (Werknummer 2599—factory number) over Rogachev when he Luftwaffe pilot, Oberfeldweb Heinrich Dittlmann flying Fw 190 A-5 (Werknummer 2555) were involved in a mid-air collision.

Following the collision, Dittlmann was reported as missing in action while Würfel bailed out over Soviet held territory.

Taken prisoner of war, he contracted Typhus and died on 22 December 1944 at Camp 280/5 near Stalino.

The Luftwaffe grid map (Jägermeldenetz) covered all of Europe, western Russia and North Africa and was composed of rectangles measuring 15 minutes of latitude by 30 minutes of longitude, an area of about 360 square miles (930 km2).