Helicopter Sikorsky HO5S-1G Serial 52-053 Register 1246 used by US Coast Guard USCG. Built 1952. Aircraft history and location Aircraft History For 1246 see also oryx 46 1246 US Coast Guard 1952-09-12Sikorsky S-52-3, c/n 52-053, ff:? acc BuAerRep (BAR) East Hartford, CT, 12Sep52 del USCG as HO5S-1G, 1246, 24Sep52. w/o March 1953 Send Updates Use APP to upload photo @ (optional) When Now? / / Send