Helicopter Sikorsky H-34A Choctaw Serial 58-426 Register 55-4468 used by US Army Aviation Army. Built 1957. Aircraft history and location Aircraft History 55-4468 US Army Aviation 1957-01-04del US ARMY as H-34A, 55-4468, 04Jan57 Project "Lead Dog" Jun60 not on DA 2410, unk. Send Updates Use APP to upload photo @ (optional) When Now? / / Send