Helicopter Sikorsky H-19D-3 Serial 55-962 Register 55-3213 used by US Army Aviation Army. Built 1956. Aircraft history and location Aircraft History 55-3213 US Army Aviation 1956-05-04Sikorsky S-55 c/n 55-962, ff:? del US Army as H-19D-3, 55-3213, 04May56. Send Updates Use APP to upload photo @ (optional) When Now? / / Send