Helicopter Sikorsky H-19D Chickasaw Serial 55-1163 Register N616Z 57-1616 used by US Army Aviation Army. Built 1958. Aircraft history and location Aircraft History 57-1616 US Army Aviation 1958-02-08Sikorsky S-55 c/n 55-1163, ff:? del US Army as H-19D, 57-1616, 08Feb58. N616Z - private at Brewster, WA from Sep17 1986-04 conv to S-55B private at Larimore, ND Apr86-Sep17 Send Updates Use APP to upload photo @ (optional) When Now? / / Send