Helicopter Sikorsky HO5S-1 Serial 52-079 Register 130121 used by US Marine Corps USMC. Built 1952. Aircraft history and location Aircraft History 130121 US Marine Corps 1952-12-30Sikorsky S-52-3, c/n 52-079, ff:? acc BuAerRep (BAR) East Hartford, CT, 30Dec52 del USMC as HO5S-1, 130121, 12Jan53. Send Updates Use APP to upload photo @ (optional) When Now? / / Send