 The new optronic system began development in 2011 as a collaboration between Kamov and Sagem, and is based on the French company's STRIX sighting System.The OES-52 provides greater range of target detection and recognition.The helicopter features the Arbalet-52 Dual-band coherent pulse radar, which has an Earth mapping range of 32 km and a detection range of 25 km for ground targets and 15 km for aerial targets.