Helicopter Sikorsky CH-53D Sea Stallion Serial 65-305 Register 157729 used by US Marine Corps USMC. Aircraft history and location Aircraft History 157729 US Marine Corps Sikorsky S-65C, c/n 65-305, ff:? del USMC as CH-53D 157729, unk 2006 HMH-362./YL-45 HMH-362 Send Updates Use APP to upload photo @ (optional) When Now? / / Send