Thales IESI System Selected for Brazilian Army Fennec

Thales IESI System Selected for Brazilian Army Fennec

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UK: Thales has been selected to provide its Integrated Electronic Stand-by Instrument (IESI) to modernise Brazilian Army Esquilo/Fennec helicopter fleet. The Thales IESI performs three essential back-up functions: artificial horizon, altimeter and airspeed indicator, all in a single Line Replaceable Unit (LRU). Already flying onboard Sikorsky S-76D, the Thales IESI has also been selected by Airbus Helicopters for its range of light and medium-lift helicopters including the Ecureuil family, the EC135, EC145, EC155, EC175 and their military versions, including the modernised AS 365 K2 Super Pantera.

Thales’s IESI is perfectly suited for helicopter missions and performs well at low speed, low altitude and high turn rates. Resistance to High Intensity Radio Frequencies (HIRF), durability in humid, saline and high-vibration environments has been pushed to levels not previously reached by this kind of equipment. Together, these innovations ensure optimal operation in all types of circumstances and, in turn, the highest level of flight safety, reliability and low direct maintenance cost. Thales’s IESI is also able to receive and control other functions such as Automatic Flight Control System (AFCS) back up, Radio Management System (RMS) back up, depending on customer requirements.

Source: Thales group