Helicopter Sikorsky MH-60S Seahawk Serial Register 167837 used by US Navy USN. Aircraft history and location Aircraft History 167837 US Navy 2013-12-16 A Yokosuka Naval Base accident USN HSC-12 /NE-3 w/o crashed near the Yokosuka Naval Base in Japan HSC-12 Send Updates Use APP to upload photo @ (optional) When Now? / / Send