Helicopter Sikorsky H-19D Chickasaw Serial 55-1261 Register N2256G 57-5962 used by US Army Aviation Army. Built 1959. Aircraft history and location Aircraft History 57-5962 US Army Aviation 1959-01-27Sikorsky S-55 c/n 55-1261, ff:? del US Army as H-19D, 57-5962, 27Jan59. N2256G - 2003-07Classic Rotors Museum at Ramona, CA jul03 Send Updates Use APP to upload photo @ (optional) When Now? / / Send