Helicopter Sikorsky MH-53E Sea Dragon Serial 65-521 Register 162509 used by US Navy USN. Aircraft history and location Aircraft History 162509 US Navy 1998-12US Navy Dec98 HC-4 /HC-49 in Israel to support HMX-1 for visit President Bill Clinton. 2000 HC-4 /HC-49 HC-4 Send Updates Use APP to upload photo @ (optional) When Now? / / Send