Helicopter Sikorsky MH-53E Sea Dragon Serial 65-518 Register 162506 used by US Navy USN. Aircraft history and location Aircraft History 162506 US Navy Sikorsky S-80, c/n 65-518, ff:? del USN as MH-53E, 162506, unk US Navy 1989 CH-53E type HM-12./DH-443 HM-12 Send Updates Use APP to upload photo @ (optional) When Now? / / Send