Helicopter Sikorsky CH-53D Sea Stallion Serial 65-166 Register 156662 used by US Marine Corps USMC. Aircraft history and location Aircraft History 156662 US Marine Corps Sikorsky S-65C, c/n 65-166, ff:? del USMC as CH-53D 156662, unk Send Updates Use APP to upload photo @ (optional) When Now? / / Send