NASA researchers will crash a 45-foot-long  helicopter fuselage from a 30-foot height for the second time in a year — all in the name of safety. NASA is collaborating with other U.S. and international government agencies on the Transport Rotorcraft Airframe Crash Test Bed full-scale crash test scheduled for Oct. 1, weather permitting, at NASA Langley Research … Continue reading NASA to crash helicopter to test safety improvements