Helicopter Sikorsky H-19D Chickasaw Serial 55-1197 Register 57-1635 used by US Army Aviation Army. Built 1958. Aircraft history and location Aircraft History 57-1635 US Army Aviation Sikorsky S-55 c/n 55-1197, ff:? del US Army as H-19D, 57-1635, unk Send Updates Use APP to upload photo @ (optional) When Now? / / Send
