Recommendation Date:25 February 2016
Reinstate research into the dynamic behaviour of two-bladed, teetering, underslung rotor systems, taking full advantage of available technology, with the aim of achieving the original goal of NTSB recommendation A-96-12.
The FAA received this safety recommendation on May 4, 2016. We are evaluating the recommendation and will propose an action plan, if appropriate. We will coordinate with Robinson Helicopters during this process and provide an update by August 1, 2016.