Helicopter Sikorsky H-19C Chickasaw Serial 55-302 Register 51-14308 used by US Army Aviation Army. Built 1952. Aircraft history and location Aircraft History 51-14308 US Army Aviation 1952-12-29Sikorsky S-55 c/n 55-302, ff:? del as H-19C, 51-14308, 29Dec52. Send Updates Use APP to upload photo @ (optional) When Now? / / Send