Helicopter Sikorsky MH-60S Seahawk Serial Register 166361 used by US Navy USN. Aircraft history and location Aircraft History 166361 US Navy USN 2011 HSC-6 /NH-4 2012 HSC-4 /ND-612 HSC-6 2015-10Oct15 HSC-3./SA-18 HSC-3 Send Updates Use APP to upload photo @ (optional) When Now? / / Send
