Helicopter Sikorsky H-19A Chickasaw Serial 55-158 Register 51-3887 used by US Air Force USAF. Built 1952. Aircraft history and location Aircraft History 51-3887 US Air Force 1952-06-14Sikorsky S-55 c/n 55-158, ff:? del USAF as H-19A, 51-3887, 14Jun52. 1952-12-16 w/o 16dec52 Texas Send Updates Use APP to upload photo @ (optional) When Now? / / Send