Helicopter Sikorsky H-19D Chickasaw Serial 55-684 Register 52-7624 used by US Army Aviation Army. Built 1954. Aircraft history and location Aircraft History 52-7624 US Army Aviation 1954-03-17Sikorsky S-55 c/n 55-684, ff:? del US Army as H-19D, 52-7624, 17Mar54. Send Updates Use APP to upload photo @ (optional) When Now? / / Send
