Helicopter Sikorsky HSS-1 / SH-34G Seabat Serial 58-16 Register XB-DZX N46916 138474 used by US Navy USN. Built 1955. Aircraft history and location Aircraft History 138474 US Navy 1955-03-05 Sikorsky UH-34G Seabat Sikorsky HSS-1, c/n 58-16, ff? del US Navy as HSS-1 138474, 05Mar55 redesig UH-34G, Oct62 wfu & xfer MASDC as HD071, 08Jun70 soc 31Mar77. N46916 - 1977-03-31sold as S-58 to Westair, Intl as N46916, 31Mar77 XB-DZX - sold Gonzalo Paez Orozco, Mexico as XB-DZX, unk reg reported canx. Send Updates Use APP to upload photo @ (optional) When Now? / / Send