ARINC-429

Mark 33 Digital Information Transfer System

The predominant avionics data bus for commercial aircraft. Defines a simplex, point-to-point data bus operating at 12.5 or 100 kbit/s using twisted-pair wiring. Carries flight parameters, navigation data, and system status between line-replaceable units (LRUs).

Document
ARINC Specification 429 (Part 1-17)
URL
https://aviation-ia.sae-itc.com/standards/arinc-429
Label
Standard
Keywords
avionics data bus ARINC aircraft communication twisted-pair LRU flight parameters navigation data

Domain: Aerospace · Standard