New blades for the MD500.
This might be good news for Hughes/MD500 owners and operators;
Van Horn Aviation Conducts Successful First Flight Test of Composite MD 500 Main Rotor Blades | Vertical - Helicopter News
It sounds like those blades might be a little quieter. It's hard to tell from a video, but the usual high-frequency blade tip noise seems to be missing with these new blades.
500 Fan.
Last edited by 500 Fan; 12th Apr 2011 at 15:26.