Helicopter Bell MV-22B Osprey Serial D0070 Register 166491 used by US Marine Corps USMC. Aircraft history and location Aircraft History 166491 US Marine Corps 2005-12-08USMC from 08dec05 2014-12-2870 A KNHK Developmental Flight Test as Pax River HX-21 2016-0770 A KNHKfirst flight demonstration with parts manufactured with 3D printing HX-21 Osprey First Flight with 3D Printed Parts 2021-04-1970 B USSANOsprey first ever landing on USNS Mercy, HX-21 Osprey for First Time on Hospital Ship USNS Mercy Send Updates Use APP to upload photo @ (optional) When Now? / / Send