page_title: Northrop M2-F3
section_title: Operational history
hierarchical_section_title: Northrop M2-F3 / Operational history
caption_attribution_description: English: M2-F3 at the National air and space museum
context_page_description: The Northrop M2-F3 was a heavyweight lifting body rebuilt from the Northrop M2-F2 after it crashed at the Dryden Flight Research Center in 1967. It was modified with an additional third vertical fin - centered between the tip fins - to improve control characteristics. The "M" refers to "manned" and "F" refers to "flight" version.
context_section_description: First flight of the M2-F3, with NASA pilot Bill Dana at the controls, was June 2, 1970. The modified vehicle exhibited much better lateral stability and control characteristics than before, and only three glide flights were necessary before the first powered flight on November 25, 1970. The 100th flight of the heavy-weight lifting bodies was completed on October 5, 1972, with pilot Bill Dana soaring to an altitude of 66,300 feet (20,200 m) and a Mach number of 1.370 (about 904 miles per hour) in the M2-F3. Over its 27 missions, the M2-F3 reached a top speed of 1,064 mph (Mach 1.6). Highest altitude reached by the vehicle was 71,500 feet (20,790 m) on December 20, 1972, the date of its last flight, with NASA pilot John Manke at the controls.
  A reaction control thruster (RCT) system, similar to that on orbiting spacecraft, was also installed to obtain research data about their effectiveness for vehicle control. As the M2-F3's portion of the lifting body program neared an end, it evaluated a rate command augmentation control system, and a side-arm control stick similar to side-arm controllers now used on many modern aircraft.
  NASA donated the M2-F3 vehicle to the Smithsonian Institution in December 1973. It is currently hanging in the National Air and Space Museum along with the X-15 aircraft number 1, which was its hangar partner at Dryden from 1965 to 1969.
  M2-F3 pilots
  William H. Dana - 19 flights
  John A. Manke - 4 flights
  Cecil W. Powell - 3 flights
  Jerauld R. Gentry - 1 flight
  Most of text taken from NASA Dryden webpage.
caption: The M2-F3 at the National Air and Space Museum
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