Helicopter Sikorsky MH-60S Seahawk Serial 70-3217 Register 167845 used by US Navy USN. Aircraft history and location Aircraft History 167845 US Navy 2011-02USN Feb11 HSC-23 /WC-50 HSC-23 2018 HSC-23 /WC-50 HSC-23 Send Updates Use APP to upload photo @ (optional) When Now? / / Send