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John H Griffith American Pilot Test Pilot. . Personal: Male. Astronaut Career Astronaut Group: Test Pilot (NASA). Inactive Flights on the XS-1 # 2 and X-4 # 2. Griffith Chronology 23 September 1949 - XS-1 Flight 125. NACA flight 33. Pilot familiarization. Mach 0.9. 30 November 1949 - XS-1 Flight 129. NACA flight 33. Mach 0.91. 12 May 1950 - XS-1 Flight 135. NACA flight 34. Spanwise pressure distribution, stability and control. Pull-ups and rolls. 17 May 1950 - XS-1 Flight 137. NACA flight 35. Spanwise pressure distribution, stability and control. Pull-ups and rolls. Mach 1.13 at 12810 m. 26 May 1950 - XS-1 Flight 138. NACA flight 36. Spanwise pressure distribution, stability and control. Pull-ups and rolls. Mach 1.20. Nosewheel collapsed on landing. 9 August 1950 - XS-1 Flight 139. NACA flight 38. For pressure distribution and stability and control data. Check of stabilizer effectiveness. Mach 0.98. 11 August 1950 - XS-1 Flight 140. NACA flight 39. For pressure distribution and stability and control data. Check of stabilizer effectiveness. 21 September 1950 - XS-1 Flight 141. NACA flight 40. For pressure distribution and stability and control data. Check of stabilizer effectiveness. Also drag investigation. Pull-ups. Mach 0.90. 4 October 1950 - XS-1 Flight 142. NACA flight 41. For pressure distribution and stability and control data. Check of stabilizer effectiveness. Also drag investigation. Pull-ups. Contact us with any corrections, additions, or comments. Conditions for use of drawings, pictures, or other materials from this site.. To contact astronauts or cosmonauts. © Mark Wade, 1997 - 2008 except where otherwise noted. | |