Helicopter Sikorsky HRS-3 Serial 55-1056 Register 144254 used by US Navy USN. Built 1957. Aircraft history and location Aircraft History 144254 US Navy 1957-02-19Sikorsky S-55 c/n 55-1056, ff:? del USN as HRS-3, 144254, 19Feb57. Send Updates Use APP to upload photo @ (optional) When Now? / / Send
