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Inertial navigation is one of the core areas of expertise developed by Safran Electronics & Defense over more than 70 years, particularly in the military arena. Safran is one of the sole players in the sector with a perfect mastery of all the associated technologies: gyroscopes, gyrometers, accelerometers, integrated GPS receivers, electronics (ASICs), navigation data processing, etc. Safran has concentrated their expertise into two inertial navigation systems (SIGMA 95N and GADIRS), to best meet your operational needs. They combine great reliability, high precision (short- and long-term) and extreme robustness.
Sigma 95N is a high-performance navigation system designed for most demanding aeronautic applications that require high navigation and guidance accuracy.
The Sigma 95N INS is based upon three highly accurate digital laser gyroscopes. It is equipped with a GPS or GPS/Glonass receiver and makes use of a powerful multimode Kalman filter to optimize performance by hybridizing inertial and satellite data. It can also integrate NATO's new Selective Availability/Anti-Spoofing Module (SAASM) and in the close future, the Europe's upcoming Gallileo system. Its open design and versatile interfaces multi-standard (Mil-Std-1553B, Arinc, Gost, etc.) allow easy integration in all types of avionic configurations and platforms.