Helicopter Sikorsky H-19B Chickasaw Serial 55-461 Register 51-3953 used by US Air Force USAF. Built 1953. Aircraft history and location Aircraft History 51-3953 US Air Force 1953-06-11Sikorsky S-55 c/n 55-461, ff:? del USAF as H-19B, 51-3953, 11Jun53. 1955-10-22 w/o 22oct55 Eniwetok Send Updates Use APP to upload photo @ (optional) When Now? / / Send
