Helicopter Sikorsky H-34A Choctaw Serial 58-587 Register SA.20 used by Sud-Est Sud Est (SNCASE - Sud Est). Built 1957. Aircraft history and location Aircraft History For SA.20 see also 1957 H-34A SA.20 SA.20 Sud-Est 1957-06-12Sikorsky H-34A c/n 58-587 del as components to Sud Aviation, c/n SA.20, 12JUn57 [See SA.20 for service details.] Send Updates Use APP to upload photo @ (optional) When Now? / / Send