Helicopter Sikorsky H-19D Chickasaw Serial 55-806 Register 54-1412 used by US Army Aviation Army. Built 1954. Aircraft history and location Aircraft History 54-1412 US Army Aviation 1954-11-01Sikorsky S-55 c/n 55-806, ff:? del US Army as H-19D, 54-1412, 01Nov54. - 2018-05 A MAPS Air Museum May18 at MAPS Air Museum, North Canton, Ohio. Awaiting restoration Send Updates Use APP to upload photo @ (optional) When Now? / / Send