Helicopter Sikorsky HRS-3Z Serial 55-991 Register fr-vip-1 used by Sud-Est Sud Est (SNCASE - Sud Est). Built 1956. Aircraft history and location Aircraft History fr-vip-1 Sud-Est 1956-09-04Sikorsky S-55, c/n 55-991, ff:? del SNCASE as HRS-3Z, reg unk, 04Sep56. Send Updates Use APP to upload photo @ (optional) When Now? / / Send