Helicopter Sikorsky HRS-2 Serial 55-132 Register 129036 used by US Marine Corps USMC. Built 1952. Aircraft history and location Aircraft History 129036 US Marine Corps 1952-05-06Sikorsky S-55 c/n 55-132, ff:? del USMC as HRS-2, 129036, 06May52 1954-10-22 Sikorsky HRS-3 22oct54 1960-05 w/o May60 Hawaii Send Updates Use APP to upload photo @ (optional) When Now? / / Send