title: List of X-2 flights
text: # List of X-2 flights
  
  ## X-2 pilots
  
  | Pilot | Agency | Flights | Aircraft |
  | - | - | - | - |
  | Jean Ziegler | Bell | 2 | 46-675 |
  | Milburn Apt | USAF | 1 | 46-674 |
  | Frank Everest | USAF | 13 | 46-675, 46-674 |
  | Iven Kincheloe | USAF | 4 | 46-674 |
  
  ## X-2 flights
  
  | Vehicle Flight # | Date | Pilot | Aircraft | Agency | Velocity -Mach- | Altitude - m - | Comments |
  | - | - | - | - | - | - | - | - |
  | X-2 #1 | June 27, 1952 | Jean Ziegler | 46-675 | Bell 1 #2 | ? | ? | Pilot familiarization. Glide flight. Nose gear collapsed on landing. |
  | X-2 #2 | October 8, 1952 | Jean Ziegler | 46-675 | Bell 2 #2 | ? | ? | Glide flight. |
  | X-2 #3 | October 10, 1952 | Frank Everest | 46-675 | USAF 1 | ? | ? | Glide flight. Landing skid did not fully extend. Touchdown jarred it into place. |
  | X-2 #4 | August 5, 1954 | Frank Everest | 46-674 | USAF 2 | ? | ? | Glide flight. Rough landing, minor damage. |
  | X-2 #5 | March 8, 1955 | Frank Everest | 46-674 | USAF 3 | ? | ? | Glide flight. Check propellant system. Aircraft unstable on landing. Damaged. |
  | X-2 #6 | April 6, 1955 | Frank Everest | 46-674 | USAF 4 | ? | ? | Glide flight. Aircraft unstable on landing. Damaged. Returned to Bell for landing gear modifications. |
  | X-2 #7 | October 25, 1955 | Frank Everest | 46-674 | USAF 5 | ? | ? | First attempt at a powered flight. Nitrogen leak. Mission completed as a glide flight. |
  | X-2 #8 | November 18, 1955 | Frank Everest | 46-674 | USAF 6 | 0.992 | 10,675 | First powered flight. Only 5,000 lbf (22 kN) thrust chamber ignited. Small engine fire. |
  | X-2 #9 | March 24, 1956 | Frank Everest | 46-674 | USAF 7 | 0.91 | ? | Second powered flight. Only 10,000 lbf (44 kN) thrust chamber ignited. |
  | X-2 #10 | April 25, 1956 | Frank Everest | 46-674 | USAF 8 | 1.40 | 15,250 | Third powered flight. First supersonic flight. Both chambers ignited. |
  | X-2 #11 | May 1, 1956 | Frank Everest | 46-674 | USAF 9 | 1.683 | 16,378 | Fourth powered flight. |
  | X-2 #12 | May 11, 1956 | Frank Everest | 46-674 | USAF 10 | 1.8 | 18,300 | Fifth powered flight. |
  | X-2 #13 | May 22, 1956 | Frank Everest | 46-674 | USAF 11 | 2.53 | 17,803 | Sixth powered flight. |
  | X-2 #14 | May 25, 1956 | Iven Kincheloe | 46-674 | USAF 12 | 1.0+ | ? | Seventh powered flight. Pilot familiarization. Supersonic flight. |
  | X-2 #15 | July 12, 1956 | Frank Everest | 46-674 | USAF 13 | 1.0 | ? | Eighth powered flight. Supersonic flight. Premature engine shutdown. |
  | X-2 #16 | July 23, 1956 | Frank Everest | 46-674 | USAF 14 | 2.87 | 20,802 | Ninth powered flight. High speed flight. |
  | X-2 #17 | August 3, 1956 | Iven Kincheloe | 46-674 | USAF 15 | 2.5+ | 26,764 | Tenth powered flight. High altitude flight. |
  | X-2 #18 | August 8, 1956 | Iven Kincheloe | 46-674 | USAF 16 | ? | 21,336 | Eleventh powered flight. High altitude flight. Premature engine shutdown. |
  | X-2 #19 | September 7, 1956 | Iven Kincheloe | 46-674 | USAF 17 | 1.7 | 38,491 | Twelfth powered flight. High altitude flight. Altitude record for that time. |
  | X-2 #20 | September 27, 1956 | Milburn Apt | 46-674 | USAF 18 | 3.196 | 31,946 | Thirteenth powered flight. Record speed. Aircraft crashed. Pilot killed. |
  