Helicopter Sikorsky MH-60S Seahawk Serial 70-3894 Register 167889 used by US Navy USN. Aircraft history and location Aircraft History 167889 US Navy USN Jan13 HSC-25 /RB-03 HSC-25 2015-12Dec15 HSC-25 /RB-03 HSC-25 Send Updates Use APP to upload photo @ (optional) When Now? / / Send