Helicopter Sikorsky SH-60F Oceanhawk Serial 70-629 Register 164071 used by US Navy USN. Aircraft history and location Aircraft History 164071 US Navy USN 2010 NH-611/HS-6 2012-02 A AMARC / AMARG arrived 309th AMARG ex HS-4 /NK-614 HS-4 Send Updates Use APP to upload photo @ (optional) When Now? / / Send