Helicopter Sikorsky H-19C Chickasaw Serial 55-218 Register N4833S 51-14265 used by US Army Aviation Army. Built 1952. Aircraft history and location Aircraft History 51-14265 US Army Aviation 1952-10-03Sikorsky S-55 c/n 55-218, ff:? del as H-19C, 51-14265, 03Oct52. N4833S - ex 51-14265 Send Updates Use APP to upload photo @ (optional) When Now? / / Send