Helicopter Sikorsky H-19C Chickasaw Serial 55-195 Register 51-14254 used by US Army Aviation Army. Built 1952. Aircraft history and location Aircraft History 51-14254 US Army Aviation 1952-07-31Sikorsky S-55 c/n 55-195, ff:? del as H-19C, 51-14254, 31Jul52. Send Updates Use APP to upload photo @ (optional) When Now? / / Send