Helicopter Sikorsky H-34A Choctaw Serial 58-521 Register SA.10 used by Sud-Est Sud Est (SNCASE - Sud Est). Built 1957. Aircraft history and location Aircraft History For SA.10 see also 1957 H-34A SA.10 SA.10 Sud-Est 1957-03-25Sikorsky H-34A c/n 58-521 del as components to Sud Aviation, c/n SA.10, 25Mar57 [see SA.10 for service details.] Send Updates Use APP to upload photo @ (optional) When Now? / / Send