She was the second German woman to be awarded the honorary title of "Flugkapitän" () and also flew over 2,500 test flights in dive bombers, the second most of any Luftwaffe test pilot. Von Stauffenberg was awarded the Iron Cross Second Class and the Gold Front Flying Clasp for Bombers with diamonds, for performing over 1,500 test flights in dive bomber aircraft. In 1944, she was arrested with other Stauffenberg family members on suspicion of conspiring with her brothers-in-law to assassinate Adolf Hitler, but she was later released to continue her test flight duties.