Helicopter Sikorsky H-19C Chickasaw Serial 55-196 Register 51-14255 used by US Army Aviation Army. Built 1952. Aircraft history and location Aircraft History 51-14255 US Army Aviation 1952-08-04Sikorsky S-55 c/n 55-196, ff:? del as H-19C, 51-14255, 04Aug52. Send Updates Use APP to upload photo @ (optional) When Now? / / Send