Helicopter Sikorsky H-19B Chickasaw Serial 55-588 Register 52-7512 used by US Air Force USAF. Built 1953. Aircraft history and location Aircraft History 52-7512 US Air Force 1953-12-02Sikorsky S-55 c/n 55-588, ff:? del USAF as H-19B, 52-7512, 02Dec53. Send Updates Use APP to upload photo @ (optional) When Now? / / Send
