Detailed history and photos of helicopter Sikorsky HRS-3 Serial 55-1057 Register 144255 used by US Navy USN Track service timeline and current status. Aircraft History 144255 US Navy 1957-02-19Sikorsky S-55 c/n 55-1057, ff:? del USN as HRS-3, 144255, 19Feb57. Send Updates Use APP to upload photo @ (optional) When Now? / / Send
