Helicopter Sikorsky SH-60B Seahawk Serial 70-473 Register 162986 used by US Navy USN. Aircraft history and location Aircraft History 162986 US Navy US Navy 1989 HSL-46./HQ-462 1996 HSL-48./HR-511 HSL-46 2005-12-13USN HSL-48 USS De Wert (FFG-45) w/o 13dec05 crashed off west coast of Colombia during antidrug mission. 3 crew missing Send Updates Use APP to upload photo @ (optional) When Now? / / Send