LITEF LCR-92 Attitude Heading Reference Unit

Operating as a core inertial sensor LRU, this solid-state unit replaces independent mechanical gyros by calculating multiple flight metrics simultaneously and transmitting them to flight management systems and electronic flight displays.
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Description

This unit has been bench tested by an FAA certified repair station and it comes with an 8130 single release dated 9/23/2026.

Key Technical Capabilities
  • Consolidated Sensor Processing: Integrates the operational functionality of a legacy vertical gyro, stabilized directional compass, and three independent rate gyros into a single solid-state assembly. 
  • Primary Flight Dynamics Calculation: Continuously processes internal metrics to output stable real-time data paths for pitch angle, roll angle, magnetic heading, and angular rates across all primary aircraft axes. 
  • Power and Thermal Load Constraints: Configured for a standard 28 VDC nominal power input bus, pulling a continuous operational power load of 40 Watts. 
  • Electronic Output Synchronization: Packages and transmits high-accuracy dynamics data downstream to cockpits via standard digital bus paths, integrating directly into remote Flight Control Systems (FCS) and Primary Flight Displays (PFD). 
  • Compact Structural Dimensions: Engineered with a physical footprint measuring 5.1″ H x 11″ L x 4″ W and weighing approximately 5.25 lbs for installation convenience within high-density remote avionics equipment racks. 
  • Multi-Platform Operational Flexibility: Built primarily to rigorous commercial aviation specifications, with structural tolerances that allow implementation in advanced high-frequency simulation rigs, marine navigation matrices, and unmanned aerial vehicle (UAV) systems.

Additional information

Part Number

124210-2022

Serial Number

1667

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