Hans-Dieter Weihs was a former Luftwaffe fighter ace. He is credited with 8 aerial victories flying the Messerschmitt Me-262 jet fighter, making him one of only 28 jet aces of World War II.
Climbing in dense fog on 18 March 1945, he collided with his wingman, Oberleutnant Hans Waldmann. Waldmann crashed near Schwarzenbek south of Hamburg and was killed in his Messerschmitt Me 262 A-1 "Yellow 3 Wk. no. 170097"!
References
Hans-Dieter Weihs Wikipedia(Text) CC BY-SA