Helicopter Sikorsky H-34A Choctaw Serial 58-635 Register SKY.635 used by Armée de l'Air (French Air Force). Built 1957. Aircraft history and location Aircraft History SKY.635 Armée de l'Air 1957-10-16Sikorsky H-34A c/n 58-635 del France Armee de lAir as SKY.635, 16Oct57 w/o accident, 09Oct60. Send Updates Use APP to upload photo @ (optional) When Now? / / Send