Helicopter Sikorsky S-55 Serial 55-584 Register IZ648 used by Bharatiya Vayu Sena (Indian Air Force). Built 1954. Aircraft history and location Aircraft History IZ648 Bharatiya Vayu Sena 1954-01-13Sikorsky S-55 c/n 55-584, ff:? del India Supply Mission as IZ648, 13Jan54. Send Updates Use APP to upload photo @ (optional) When Now? / / Send