Helicopter Bell MV-22B Osprey Serial D0073 Register 166494 used by US Marine Corps USMC. Aircraft history and location Aircraft History 166494 US Marine Corps USMC MV-22B as VMM-263 /EG-12 VMM-263 2009 VMM-266 /ES-12 VMM-266 2014-12 A KNHK Dec14 as HX-21 /73 for Developmental Flight Test Send Updates Use APP to upload photo @ (optional) When Now? / / Send