crew were slightly injured, and no one on the ground was hurt. 25 JulyRCAF World War II ace Squadron Leader Robert Allen "Bob" Kipp, DSO, DFC, commanding officer of No. 410 Squadron, was killed while practicing aerobatics in a de Havilland Vampire F.3 of the Blue Devils demonstration team. 9 AugustUS Navy pilot Lt. J. L. "Pappy" Fruin of VF-101 lost control of his McDonnell F2H-1 Banshee at 500 mph and 30,000 feet and ejected over Walterboro, South Carolina, the first American Naval aviator to use an ejector seat during an in-flight emergency. VF-101 was the first Navy unit to receive the seat. 12 AugustThird of three Saunders-Roe SR.A/1 jet-powered flying-boat fighter prototypes TG271 (design specification E.6/44) was written off after hitting a submerged obstruction and sinking in the Solent off Cowes, Isle of Wight; Royal Navy pilot Lt. Cdr. Eric "Winkle" Brown survived, and the design was not produced. After AugustSecond of three Saunders-Roe SR.A/1 jet-powered flying-boat fighter prototypes TG267 (design specification E.6/44) crashed into the sea during practice for an air show, killing the pilot. The design was not produced. 15 SeptemberThe first Convair B-36 Peacemaker loss occurs when B-36B 44-92079 of the 9th Bomb Squadron, 7th Bomb Wing, crashed into Lake Worth during a night "maximum effort" mission takeoff from Carswell AFB in Texas. Five of the 13 crew were killed. The cause was attributed to two propellers going into reverse pitch; the wreckage was removed from the lake and scrapped. 26 September Boeing B-29-50-MO Superfortress 44-86333, modified as TB-29 of the 352d Bombardment Squadron, 301st Bombardment Wing, Smoky Hill Air Force Base in Kansas, crashed in the Kiamichi Mountains 6 miles (10 km) southwest of Talihina, Oklahoma, carrying 13 crew members on a reportedly-routine training flight. The aircraft, consumed by fire, was damaged beyond repair. Nine bodies were recovered. Witnesses reported that one engine failed before the crash; the aircraft was in a spin, and exploded before impact. 30 SeptemberFirst Avro 707 delta-wing research aircraft VX784, first flown on 6 September 1949 (one source says 4 September), crashed near Blackbushe on a test flight from Boscombe Down. Avro test pilot Squadron Leader Samuel Eric Esler, DFC, AE, was killed, and the cause was never established. 3 OctoberThe first of two prototypes of Kellett XR-10 helicopter 45-22793 crashed due to a control-system failure, killing chief Kellett test pilot Dave Driskill. The project was abandoned shortly thereafter. 4