NAVIGATION AND GUIDANCE: Inertial measurement units from Northrop Grumman to supply Eurofighter Typhoon Tranche 3A

Northrop Grumman Corp. won a contract from EADS Defence & Security, through its Military Air Systems business unit, to deliver 88 inertial measurement units (IMUs) for Tranche 3A of the Eurofighter Typhoon.

Northrop Grumman's IMUs, which provide motion data for the aircraft, will be built by the company's German navigation systems subsidiary, Northrop Grumman LITEF. The Northrop Grumman LITEF subsidiary also provided IMUs for Tranche 1 and Tranche 2 of the aircraft.

Developed as part of the flight control system of the Eurofighter Typhoon, the IMU system, with its accurate inertial sensors and built-in redundancy, is the sole sensor which measures the motion of the aircraft and continuously provides motion data to the flight control computer to drive the control systems and actuators.

This closed control loop stabilization system enables the aircraft to perform with extreme agility as well as a high degree of maneuverability, ensuring it can operate to the maximum of its capability and to the limit of its flight envelope, Northrop Grumman officials say.

In a secondary function, the IMU provides backup navigation data.

More than 400 Northrop Grumman LITEF IMUs have been delivered. The devices are already in service on the Eurofighter in Germany, Spain, Italy, England, Austria, and Saudi Arabia.

FOR MORE INFORMATION visit Northrop Grumman Corp. online at www.northropgrumman.com.

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