Helicopter Sikorsky H-19B Chickasaw Serial 55-421 Register 52-7589 used by US Air Force USAF. Built 1953. Aircraft history and location Aircraft History 52-7589 US Air Force 1953-06-08Sikorsky S-55 c/n 55-421, ff:? del USAF as H-19B, 52-7589, 08Jun53. 1954-03-27 to France w/o 27mar54 Send Updates Use APP to upload photo @ (optional) When Now? / / Send
