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Picture of product AHC-3000S

Part #: 822-1800-001

Model: AHC-3000S


Collins Aerospace


Attitude Heading Ref Computer

Part Number :

AHS-3000/3000() AHRS System



  • Attitude Heading Reference Systems (AHRS)
  • AHS-3000() System is designed for ARINC 429 equipped aircraft
  • Featuring digital quartz microelectromechanical systems (MEMS) sensors that provide heading and attitude information to the flight deck and other on board systems
  • Solid-state sensor technology for high reliability
  • Up to 10,000-hour mean time between failures rating
  • Designed for both new aircraft and as replacement installations
  • Analog and synchro interface for retrofit applications
  • Primary function is to provide measurements of the aircraft pitch, roll and heading Euler angles for use by the flight deck displays, flight control systems and other avionics equipment
  • High-quality body rate, Euler rate and linear acceleration outputs are provided for enhanced flight control system performance 
  • Advanced EMI/HIRF/Lightning isolation
  • Built to withstand extreme environments involving high roll rates & vibration, designed for use in a variety of aircraft types
  • Automated compass swing
  • Uses existing five or six wire flux detector interfaces
  • Compact Design - Reduced weight, size & power requirements
  • Easier installation through new auto-leveling feature
  • Configurable outputs for interface flexibility
  • Typical AHC-3000A systems include:
    • AHC-3000A Attitude Heading Computer,
    • FDU-3000* Flux Detector Unit,
    • MMT-3010 Multi Modular Mount, and
    • ECU-3000 External Compensation Unit
  • *In AHC-3000A System - FDU-3000 is not required for aircraft that already have FDU-70() installed
  • Typical AHC-3000S systems include:
    • AHC-3000S Attitude Heading Computer,
    • 323A-2G Flux Detector Unit (& ARINC standard 3 wire),
    • MMT-3010 Multi Modular Mount, and
    • ECU-3000 External Compensation Unit 


Weight: 4.60 lbs. Dimensions: 5.0"H x 2.5" W x 13.32" L
Temperature: -55°C to 70°C Altitude: 55,000ft
AHC-3000A Power Reqs: 28VDC, 27 W nom AHC-3000S Power Reqs: 28VDC, 25.5 W nom
AHC-3000 Power Regs: 28VDC, 16 W nom Pitch: ±90°
Roll: ±180° Heading: ±180° 
Body Rates: ±410°/s Accelerations: ±15g
Part Number: Description:
822-1110-002 AHC-3000 AHRS Computer
822-1378-001 AHC-3000A - Analog
822-1800-001 AHC-3000S - 5-Wire Sync


- Attitude Heading Ref Computer
Price Condition Status

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In relation to NE (New) parts, many OEMs change their prices and availability without any notice to dealers or the industry. Therefore, through the REQUEST or RFQ indication, we ask that customers contact us for the most accurate price and availability.

In relation to SV & OH parts, the used parts aftermarket in the aviation industry is not an infinite supply. It is a dynamic, constantly changing market that is significantly affected by and susceptible to highs and lows in supply and demand. Therefore, although we attempt to, at times, we are unable to predict the exact moment when an item may be available. Once again, through the REQUEST or RFQ indication on our website, we ask that customers contact us for the most current and accurate price and availability.