Helicopter Sikorsky MH-60R Seahawk Serial Register 166538 used by US Navy USN. Aircraft history and location Aircraft History 166538 US Navy USN HSM-70 /AJ-702 HSM-70 2010-11-13 A KLAS HSM-70./AJ-702 at Las Vegas HSM-70 Send Updates Use APP to upload photo @ (optional) When Now? / / Send