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X-15 Flight 3-65-97, also known as X-15 Flight 191 (being the 191st free flight of the X-15), was a sub-orbital spaceflight of the North American X-15 experimental spaceplane, carrying seven experiments to a peak altitude of 266,000 feet (50.4 mi; 81 km; 43.8 nmi), above NASA's definition of the start of space at 50 miles (80 km) but below the Kármán line definition at 62 miles (100 km).
On 15 November 1967, U.S. Air Force test pilot Major Michael J. Adams was killed during X-15 Flight 191 when X-15-3, AF Ser. No. 56-6672, entered a hypersonic spin while descending, then oscillated violently as aerodynamic forces increased after re-entry.
X-15 Flight 191 Michael James Adams (May 5, 1930 – November 15, 1967) ( Maj USAF ) was an American aviator , aeronautical engineer , and USAF astronaut . [ 1 ] He was one of twelve pilots who flew the North American X-15 , an experimental spaceplane jointly operated by the Air Force and NASA .
Flight/aircraft Crash site Cause/circumstances Aaliyah: United States 2001 Actress, singer, and model Cessna 402: Marsh Harbour, Abaco Islands, The Bahamas Maximum takeoff weight of airplane substantially exceeded, pilot under the influence of cocaine and alcohol. [1] Michael J. Adams: United States 1967 test pilot X-15 Flight 3-65-97
Twelve pilots flew the X-15 over the course of its career. Scott Crossfield and William Dana flew the X-15 on its first and last free flights, respectively. Joseph Walker set the program's top two altitude records on its 90th and 91st free flights (347,800 and 354,200 feet, respectively), becoming the only pilot to fly past the Kármán line, the 100 kilometer, FAI-recognized boundary of outer ...
During X-15 Flight 191, Adams' seventh flight, the plane had an electrical problem followed by control problems at the apogee of its flight. The pilot may also have become disoriented. During reentry from a 266,000 ft (50.4 mile, 81.1 km) apogee, the X-15 yawed and went into a spin at Mach 5.
American Airlines Flight 5342 and a U.S. Army Black Hawk collided in Washington, D.C. Authorities believe all 67 on board both aircraft died.
24 April 1967 Soyuz 1, southeast of Orenburg, Russia 1: 15 November 1967 X-15 Flight 191, near Edwards AFB, California, U.S. 1: 31 October 2014 VSS Enterprise crash, suborbital, Mojave Desert, California, U.S., other pilot survived