Helicopter Sikorsky H-19B Chickasaw Serial 55-331 Register 51-3903 used by US Air Force USAF. Built 1953. Aircraft history and location Aircraft History 51-3903 US Air Force 1953-03-16Sikorsky S-55 c/n 55-331, ff:? del USAF as H-19B, 51-3903, 16Mar53. to DM HB... 250667 scr Chandler, AZ Send Updates Use APP to upload photo @ (optional) When Now? / / Send
