Air Data Computers

The family of Astronautics digital Air Data Computers (ADCs) consists of civil and military variants designed to meet requirements for transport and fighter/trainer high performance aircraft including the F-16, F-4, F-5, T-38, C-130, L-159, Kfir, and MiG. The MADC-110 civil ADC model features Reduced Vertical Separation Minimum (RVSM) performance and ARINC-429 interfaces, the MADC-108 military ADC model is based on MIL-STD-1553 interface.  These ADCs are fully digital and use solid state pressure transducer devices resulting in outstanding performance. Inputs are static and several inputs (total pressure from the Pitot Tube, Angle of Attack sensor readings, Altimeter Barometric setting, Outside Air Temperature and several discretes such as “Weight-on-Wheels” Aircraft configuration and BIT initiate) are used to calculate the required outputs, based on source error correction values.

  • ARINC-429 or MIL-STD-1553 primary interfaces
  • Civil ADC TSO certified, Design Assurance Level A
  • Complies with requirements of SAE AS 8002, “Air Data Computer – Minimum Performance Standard” and the FAA TSO C-106, including compliance to the RVSM requirements per IG 91 RVSM
  • Altitude -1,500 to 80,000 ft, Accuracy: 20 ft
  • True Air Speed 70 to 1,700 Knots, Accuracy: 5 Kt
  • Calibrated Air Speed 40 to 1,000 Knots, Accuracy: 2 Kt
  • Mach Number 0.1 to 3 M, Accuracy: 0.005 M
  • Calculates True Air Speed, Mach Number, Calibrated Air Speed, Baro-Corrected Pressure Altitude, Pressure Altitude, Static Free Air Temperature, Air Density, Static Pressure Over Total Pressure, True Angle of Attack, and Rate of Climb
  • Temperature Compensation
  • High reliability and accuracy from solid state pressure transducers
  • Flight critical hardware and software
  • Modular design for ease of maintainability
  • Small, lightweight construction

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