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Thales IESI System Selected for Brazilian Army Fennec

Thales has been selected to provide its Integrated Electronic Stand-by Instrument (IESI) to modernise Brazilian Army Esquilo/Fennec helicopt...

Thales has been selected to provide its Integrated Electronic Stand-by Instrument (IESI) to modernise Brazilian Army Esquilo/Fennec helicopter fleet.

The upgrade on first batch of six Fennec helicopters will be completed by 2014, with integration carried out by Helibras, the Brazilian subsidiary of Airbus Helicopter.

A total of 36 helicopters will be retrofitted with the Thales IESI system with completion expected in 2018.
The Thales IESI performs three essential back-up functions: artificial horizon, altimeter and airspeed indicator, all in a single Line Replaceable Unit (LRU).

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.
The system 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.

IESI is suited for helicopter missions which features low speed, low altitude and high turn rates and has resistance to High Intensity Radio Frequencies (HIRF), durability in humid, saline and high-vibration environments.