Helicopter Bell UH-1Y Venom Serial 55009 Register 166768 used by US Marine Corps USMC. Aircraft history and location Aircraft History 166768 US Marine Corps USMC Y9, conv from 158246 to be confirmed 2009 HX-21 2015-06-08 A KNHK asg HX-21 /HX testing new EW pod at NAS Pax River 2016 still Send Updates Use APP to upload photo @ (optional) When Now? / / Send