ARINC 429 Insights

What is ARINC 429?

ARINC 429 is a widely used data bus standard for avionics. It defines how avionics equipment communicates with each other. It's a two-wire, single-source, multi-sink data bus used for transmitting digital data between avionics systems, typically for functions like navigation, flight management, and engine control. Each data word consists of 32 bits.

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What other technologies are related to ARINC 429?

ARINC 429 Competitor Technologies

MIL-STD-1553

MIL-STD-1553 is a military standard that defines a digital communication bus, often used in military aircraft. It is a competitor to ARINC 429, although it serves a different market segment.

mentioned alongside ARINC 429 in 40% (1.4k) of relevant job posts

ARINC 664

ARINC 664 (AFDX) is an avionics standard based on Ethernet. It provides higher bandwidth and deterministic communication compared to ARINC 429, making it a competitor in newer avionics systems.

mentioned alongside ARINC 429 in 64% (325) of relevant job posts

ARINC-825

ARINC 825 is an aviation protocol based on CAN bus, used for various aircraft systems. It can be a competitor in applications where CAN bus is suitable.

mentioned alongside ARINC 429 in 82% (248) of relevant job posts

ARINC-818

ARINC 818 is a high-speed video and data interface standard used in avionics systems. It competes in applications requiring high-bandwidth data transfer.

mentioned alongside ARINC 429 in 92% (218) of relevant job posts

MIL-STD-1553B

MIL-STD-1553B is a revision of MIL-STD-1553 and, similarly, is a competitor to ARINC 429.

mentioned alongside ARINC 429 in 49% (262) of relevant job posts

AFDX

AFDX (Avionics Full-Duplex Switched Ethernet) is an implementation of ARINC 664. It is a competitor offering higher bandwidth and deterministic communication.

mentioned alongside ARINC 429 in 32% (364) of relevant job posts

MIL-1553

MIL-1553 is equivalent to MIL-STD-1553, and serves as a competitor.

mentioned alongside ARINC 429 in 54% (193) of relevant job posts

UART/RS232/RS422/RS485

UART/RS232/RS422/RS485 are serial communication protocols. While RS-422 and RS-485 have some functional overlap with ARINC 429, they are generally used for simpler applications and are competitors to some extent.

mentioned alongside ARINC 429 in 93% (85) of relevant job posts