Helicopter Sikorsky SH-60F Oceanhawk Serial 70-650 Register 164083 used by US Navy USN. Aircraft history and location Aircraft History 164083 US Navy USN 2010 NK-612/HS-4 2012-02 A AMARC / AMARG arrived 309th AMARG ex HS-4 /NK-612 HS-4 Send Updates Use APP to upload photo @ (optional) When Now? / / Send