Helicopter Sikorsky HO4S-2 Serial 55-088 Register N2842J 1254 used by US Coast Guard USCG. Built 1951. Aircraft history and location Aircraft History 1254 US Coast Guard 1951-12-01Sikorsky S-55 c/n 55-088, ff:? del USCG as HO4S-2, 1254, 01Dec51. N2842J - ex 1254 Send Updates Use APP to upload photo @ (optional) When Now? / / Send