ARINC 429 Testing Guide
This guide explains the two most common aircraft data buses for avionics shop and lab engineers and what a databus test setup must do. It cites AIM documentation.
The two buses
- ARINC 429 sends labelled words over point-to-point channels at 12.5 or 100 kbit/s [1].
- MIL-STD-1553B is a dual-redundant, Manchester II encoded command/response bus with a bus controller and remote terminals [2].
What a bench test does
- Simulate the aircraft side: transmit labels or act as BC/RTs [1][2].
- Monitor and record traffic with time stamps for analysis [2].
- Inject protocol errors to verify the unit's error handling [1].
Choosing an interface
- Count channels and streams; mixed modules combine both buses [3].
- Pick the host form factor: PCIe, PXI, USB or Ethernet [2].
- Check API and analyzer software support [1].
Products referenced in this guide
AIM GmbHAircraft Network & Data Bus TestingRFQ
AIM ANET-MxAy MIL-STD-1553 / ARINC 429 Ethernet Test Module
Model: ANET-MxAy
- 1553 section acts concurrently as BC, 31 RTs and chronological/mailbox monitor
- ARINC 429 channels software-programmable for Rx or Tx
- Full error injection and detection on both protocols
- 8 general-purpose discrete I/O signals
Status: Request a quote · calibration certificate on request
Related category
Aircraft Network & Data Bus Testing · All aviation guides
Frequently asked questions
Do I need error injection?
For acceptance testing of receivers, yes; AIM modules support it on both buses [1][2].
What is IRIG-B used for?
Time-stamping bus data against a common time reference [3].
This guide is general information. It does not replace the aircraft maintenance manual, the operator's approved procedures or the rules of the competent civil aviation authority.
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