Aviation English
Advanced ATC

What is Avionics Full-Duplex Switched Ethernet?

Avionics Full-Duplex Switched Ethernet A deterministic, high-speed, full-duplex switched Ethernet network designed specifically for critical avionics systems, providing reliable, low-latency data exchange between aircraft systems (ARINC 664, Part 7).

Source: ICAO Doc 9432, FAA PCG

How is “Avionics Full-Duplex Switched Ethernet” Used in Practice?

The aircraft’s flight control computers communicate over Avionics Full-Duplex Switched Ethernet for real-time system coordination.

Certification Exam Relevance

ICAO Level 4ICAO Level 5ICAO Level 6EASA FCL.055

Who Needs to Know This Term?

  • Pilots
  • Air Traffic Controllers
  • Cabin Crew

Related Aviation English Terms

Avionics Ethernet NetworkAeronautical Radio Incorporated 664 Aircraft Data NetworkPower over Ethernet in AvionicsTransport Layer Security for Avionics

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Frequently Asked Questions

What is Avionics Full-Duplex Switched Ethernet?

A deterministic, high-speed, full-duplex switched Ethernet network designed specifically for critical avionics systems, providing reliable, low-latency data exchange between aircraft systems (ARINC 664, Part 7).

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