ARINC 739A Multi-Purpose Control and Display Unit (MCDU) Simulation
Use Cases
  • Development of an A739A interface in an LRU
  • Qualification/certification of A739A MCDU interface
  • Replacement of real MCDU equipment in testing labs and factories
  • Hardware functional verification at repair/maintenance stations
  • 1-to-1 replacement of a real MCDU using a laptop
  • Possibility to emulate different types of MCDU (Airbus, Boeing, others)
  • Connection with up to 7 LRUs
  • Error detection & injection
  • Scripting interface
Key Features
  • Full multi-input MCDU simulation according to ARINC 739A specification
  • Up to 7 subsystems connected in parallel using TechSAT’s A429-USB-NT interface
  • Dual-MCDU mode for testing the communication with 2 MCDUs
  • Protocol error injection and detection
  • Fully configurable specific keys and annunciators
  • All display features supported (ISO5 characters, colors, reverse video, flashing)
  • Real-time and offline analysis of the A429 communication including decoding of protocol messages
  • Scripting interface supporting remote control of the simulation

Technical Data

Supported I/O
  • „„A429-USB-NT-2TX4RX (PN 403557)
  • „„A429-USB-NT-4TX8RX (PN 403568)
Operating System Options
  • Windows XP®
  • Windows 7® 32 bit or 64 bit
Part Number
  • 202157-01 – Single Input MCDU
  • 202157-02 – Multiple Input MCDU