Helicopter Sikorsky MH-60S Seahawk Serial Register 165773 used by US Navy USN. Aircraft history and location Aircraft History 165773 US Navy 2007-09-24USN HSC-25 w/o 24sep07, crashed into Fena Lake, NAS Guam HSC-25 Pilot died, couldnt get out. Water in lungs, air in bottle, broken shoulder, trapped by avionics. Send Updates Use APP to upload photo @ (optional) When Now? / / Send