Helicopter Sikorsky H-19D-3 Serial 55-967 Register 55-3218 used by US Army Aviation Army. Built 1956. Aircraft history and location Aircraft History 55-3218 US Army Aviation 1956-05-12Sikorsky S-55 c/n 55-967, ff:? del US Army as H-19D-3, 55-3218, 12May56. Send Updates Use APP to upload photo @ (optional) When Now? / / Send