Boeing testing modal suppression for 747-8I stabilizer

Boeing is using a flight test 747-8 Freighter to investigate whether a software-based fix, similar to the outboard aileron modal suppression (OAMS) system used on the cargo aircraft, will solve a concern about possible flutter in fuel-laden 747-8I horizontal stabilisers in the event of a structural failure. (www.flightglobal.com) עוד...