Helicopter Sikorsky HRS-2 Serial 55-231 Register N8327 130161 used by US Marine Corps USMC. Built 1952. Aircraft history and location Aircraft History 130161 US Marine Corps 1952-09-05Sikorsky S-55 c/n 55-231, ff:? del USMC as HRS-2, 130161, 05Sep52 Sikorsky HRS-3 03mar55 N8327 - 1986-03-21 w/o 21mar86 hard landing Send Updates Use APP to upload photo @ (optional) When Now? / / Send