Page 28 of Navy Short Narratives:
“31 Aug 2021 (IVO San Diego, CA) MH-60S touched down onboard CVN-72. Experienced side-to-side vibrations causing
main rotor to strike flight deck. A/C fell over side. 1 x recovered, 5 x missing”
https://navalsafetycenter.navy.mil/Portals/29/Documents/Mishap_Stats090121.pdf
thank you - the rotor hitting the deck is what probably injured the 5 wounded on deck in addition to the onboard folks. I’d wondered about that.