Helicopter Sikorsky HSS-1 / SH-34G Seabat Serial 58-211 Register 141577 used by US Navy USN. Built 1956. Aircraft history and location Aircraft History 141577 US Navy 1956-02-12Sikorsky HSS-1, cn 58-211, ff:? del USN as HSS-1, 141577, 12Feb56 w/o asgd to HS-9 aboard USS Leyte (CVS-32), 05Sep58. HS-9 Send Updates Use APP to upload photo @ (optional) When Now? / / Send