Helicopter Sikorsky HH-60H Rescue Hawk Serial 70-2277 Register 164843 used by US Coast Guard USCG ,US Navy USN. Aircraft history and location Aircraft History 164843 US Navy USN 2008 HSC-84 HSC-84 2020-05 May20 HCS-4 Redwolves onverting to MH-60T USCG ? US Coast Guard Send Updates Use APP to upload photo @ (optional) When Now? / / Send