Helicopter Sikorsky HRS-2 Serial 55-254 Register 130171 used by US Navy USN. Built 1952. Aircraft history and location Aircraft History 130171 US Navy 1952-10-07Sikorsky S-55 c/n 55-254, ff:? del USN as HRS-2, 130171, 07Oct52 xfer HS-2, Ream Field, CA, unk soc 26Aug53. 1953-03-30 soc 30mar53 Ream Fld Send Updates Use APP to upload photo @ (optional) When Now? / / Send