Helicopter Sikorsky MH-60R Seahawk Serial 70-3440 Register 166592 used by US Navy USN. Aircraft history and location Aircraft History 166592 US Navy USN HSM-74 /AC-701 HSM-74 2011-05May11 HSM-74./HP-701 HSM-74 Send Updates Use APP to upload photo @ (optional) When Now? / / Send