Helicopter Sikorsky CH-53E Super Stallion Serial 65-533 Register 162521 used by US Marine Corps USMC. Aircraft history and location Aircraft History 162521 US Marine Corps Sikorsky S-80, c/n 65-533, ff:? del USMC as CH-53E, 162521, unk Send Updates Use APP to upload photo @ (optional) When Now? / / Send