Helicopter Sikorsky S-51 / R-5 / H-5 Serial 51-211 Register 232 N4925E used by US Coast Guard USCG. Built 1946. Aircraft history and location Aircraft History For 232 see also uh-1h 13896 UH-1C 1971 uh-60m 1981 mk86 232 232 1946 US Coast Guard HO-3S-1 for USCG as 232 to N4925E N4925E sep81 - reg N4925E Sep 1981 de registered Mar 2013 to Pima AS Museum, AZ 232 apr18 - 2018-04 A Pima Air and Space Museum Exhibit Pima Air and Space Museum as USCG 232 by Apr 2018 Send Updates Use APP to upload photo @ (optional) When Now? / / Send