Helicopter Sikorsky H-19C Chickasaw Serial 55-177 Register 51-14244 used by US Army Aviation Army. Built 1952. Aircraft history and location Aircraft History 51-14244 US Army Aviation 1952-07-21Sikorsky S-55 c/n 55-177, ff:? del as H-19C, 51-14244, 21Jul52. Send Updates Use APP to upload photo @ (optional) When Now? / / Send