Helicopter Sikorsky HO4S-3 Serial 55-503 Register N15503 1300 used by US Coast Guard USCG. Built 1953. Aircraft history and location Aircraft History For 1300 see also 206b-2 1300 sa341f 1300 2014 407gxp 54566 1300 US Coast Guard 1953-07-21Sikorsky S-55 c/n 55-503, ff:? acc BuAerRep (BAR) East Hartford, CT, 21Jul53 del USCG as HO4S-3, 1300, 24Jul53 sold Crescent Airways, 12Jan67. N15503 - Send Updates Use APP to upload photo @ (optional) When Now? / / Send
