Helicopter Sikorsky HO4S-2 Serial 55-098 Register 1257 used by US Coast Guard USCG. Built 1951. Aircraft history and location Aircraft History For 1257 see also sa330b 1257 206b-2 1257 1257 US Coast Guard 1951-12-10Sikorsky S-55 c/n 55-098, ff:? del USCG as HO4S-2, 1257, 10Dec51. 1956-02-11w/o 11feb56 Send Updates Use APP to upload photo @ (optional) When Now? / / Send
