Helicopter Sikorsky CH-53D Sea Stallion Serial 65-296 Register 157170 used by US Marine Corps USMC. Aircraft history and location Aircraft History 157170 US Marine Corps Sikorsky S-65C, c/n 65-296, ff:? del USMC as CH-53D 157170, unk 2011-05May11 as HMH-363 /YZ-20 HMH-363 2012 HMH-362 /YL Sep12 AMARG HMH-362 Send Updates Use APP to upload photo @ (optional) When Now? / / Send