Helicopter Sikorsky MH-60S Seahawk Serial Register 167899 used by US Navy USN. Aircraft history and location By Ned Harris Aircraft History 167899 US Navy 2012-10-23 A KNJKUS Navy as HSC-4 /ND-611 at NAF El Centro, CA HSC-4 Send Updates Use APP to upload photo @ (optional) When Now? / / Send
