Boeing passed a major milestone today in the 787 Dreamliner program. Today's flight test of airframe ZA001, the first 787 to fly back in December, marks the end of flutter testing for the airplane.

Gulfstream’s G500 has completed flutter testing, the culmination of 50 hr. of testing. Three flight-test aircraft have flown more than 430 hr. in more than 105 flights. The flight-test program began ...

Flutter is a dynamic aeroelastic instability caused by interaction of unsteady aerodynamic forces with elastic vibration of the structure. At the so-called flutter critical velocity, the damping ratio ...