Helicopter Sikorsky CH-53D Sea Stallion Serial 65-209 Register 156962 used by US Marine Corps USMC. Aircraft history and location Aircraft History 156962 US Marine Corps Sikorsky S-65 c/n 65-209 ff? accepted by USMC as CH-53D 156962 unk 1979-10-15w/o 15oct79 with HMM-264 HMM-264 Send Updates Use APP to upload photo @ (optional) When Now? / / Send