Helicopter Sikorsky H-34A Choctaw Serial 58-794 Register 57-1687 used by US Army Aviation Army. Built 1958. Aircraft history and location Aircraft History 57-1687 US Army Aviation 1958-02-14 Sikorsky CH-34C Choctaw del US ARMY as H-34A, 57-1687, 14Feb58 to H-34C by Jan62 soc Atlanta Government Depot, Sep70 xfer South Carolina National Guard, Oct70-Aug72 status unk. South Carolina National Guard Send Updates Use APP to upload photo @ (optional) When Now? / / Send