Helicopter Sikorsky HRS-2 Serial 55-184 Register N94475 130141 used by US Marine Corps USMC. Built 1952. Aircraft history and location Aircraft History 130141 US Marine Corps 1952-07-21Sikorsky S-55 c/n 55-184, ff:? del USMC as HRS-2, 130141, 21Jul52 Sikorsky HRS-3 05apr55 N94475 - 2002-05-20 ex 130141 w/o 20may02 Plains, MT 2013-07-29ex Tri Corp repaired for Smith David C, Brwester, WA a/d 29jul13 Send Updates Use APP to upload photo @ (optional) When Now? / / Send