CH-46 OEI Capabilities
I have limited experience in the CH-46D/E. I do know from flight experience that it had very good OEI capabilities above 40KIAS. It also demonstrated, as part of its FAA certification, satisfactory dual engine out autorotations. As part of my checkout we did OEI cut guns from a relatively high hover (mid to High IGE). It was a very docile maneuver.