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Sikorsky's Newly Certified S-76D Helicopter AHRS Provided By NGC

Latest In A Line Of Avionics To Be Provided For Sikorsky Helos

Sikorsky's newly-certified S-76D helicopter is equipped with the LCR-100 attitude and heading reference system (AHRS) built by Northrop Grumman Corporation. The LCR-100 is a standard component of the Thales TopDeck avionics suite on the new medium-sized, twin-engine helicopter. Northrop Grumman provided both the LCR-92 and LCR-100 fibre-optic AHRS on earlier versions of the S-76 helicopter platform. 

Developed by Northrop Grumman's navigation and positioning systems subsidiary in Germany, Northrop Grumman LITEF, the LCR-100 provides critical flight information regarding the aircraft's position, heading and attitude. The LCR-100 offers precise outputs to the flight control system and has demonstrated high reliability and accuracy in the helicopter environment. "The LCR-100 has proven its dependability and efficiency in serving rugged helicopter platforms, including previous versions of the S-76," said Eckehardt Keip, managing director for Northrop Grumman LITEF. "We continue to offer lighter products with greater accuracy and performance."

Northrop Grumman LITEF is a leading supplier of inertial sensors, inertial reference, and inertial navigation systems and computers with products deployed in more than 30 countries in aircraft, marine vessels and ground mobile applications. The company has more than 15,000 fibre-optic gyro systems serving in aircraft worldwide.

(LCR-100 image provided by Northrop Grumman. Sikorsky S-76D image below provided by Sikorsky)

FMI: www.northropgrumman.com


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