Helicopter Sikorsky MH-60S Seahawk Serial 70-3253 Register 167851 used by US Navy USN. Aircraft history and location Aircraft History 167851 US Navy USN HSC-9 /AJ-617 HSC-9 2010-11-13 A KLAS HSC-9 ./AJ-617 at Las Vegas HSC-9 Send Updates Use APP to upload photo @ (optional) When Now? / / Send