Video - Wing Oscillation

Aircraft is a 800XP with API winglets, subject of a May 3 Service Bulletin - flight level limitation 34,000 feet (from 41,000) - API partners is currently flight testing a fix - that involves re-balancing the aileron's - expected to be approved shortly and available to Hawker owners by June.

Don't know why the down vote's, unless some of you voters are too stupid to realize the implications of control surface or wing flutter. First I've seen on the subject and I bet an A.D. pertaining to the phenomenon will not be too far behind, if you voters know what that is.