To better understand and mitigate whirl flutter issues (for propellers and rotors), engineers conduct wind tunnel tests to validate and improve new designs, testing methods and simulation models.

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 ...

The Boeing T-7A Red Hawk is undergoing flutter testing at Edwards Air Force Base (AFB) and climatic ground testing at Eglin AFB, Evelyn Moore, Boeing's programme manager for the T-7, ...