was quickly overshadowed by Chuck Yeager and the supersonic Bell X-1 rocket plane. However, the Skystreak performed an important role in aeronautical research by flying for extended periods of time at transonic speeds, which freed the X-1 to fly for limited periods at supersonic speeds. Aircraft Bureau Numbers (BuNo) and status D-558-1 Skystreak D-558-1 #1 - BuNo 37970 NACA-140, 101 flights (retired to National Naval Aviation Museum, NAS Pensacola, Florida) D-558-1 #2 - BuNo 37971 NACA-141, 46 flights (destroyed in crash, 3 May 1948) D-558-1 #3 - BuNo 37972 NACA-142, 81 flights (retired to Carolinas Aviation Museum, Charlotte-Douglas International Airport, Charlotte, North Carolina) D-558-1 #4, #5, #6 Additional aircraft originally ordered but later cancelled. Specifications (D-558-1 Skystreak) See also References Further reading External links NASA Dryden D-558-1 gallery. D-558-1 1940s United States experimental aircraft Single-engined jet aircraft Low-wing aircraft Aircraft first flown in 1947