Helicopter Sikorsky CH-53D Sea Stallion Serial 65-287 Register 157161 used by US Marine Corps USMC. Aircraft history and location Aircraft History 157161 US Marine Corps Sikorsky S-65C, c/n 65-287, ff:? del USMC as CH-53D 157161, unk w/o 6mar78 with HMT-204 HMT-204 Send Updates Use APP to upload photo @ (optional) When Now? / / Send