EUROCAE ED-135 — Guidelines and Methods for Conducting the Safety Assessment Process on Civil Airborne Systems and Equipment

ED-135

Section 07: The Big Standards Map

Definition

The EUROCAE publication of the safety assessment guidelines that is the European equivalent of SAE ARP4761A. ED-135 provides guidelines and methods for conducting the safety assessment process, including FHA, PSSA, SSA, and CCA, as well as detailed guidance on analysis methods such as FTA, FMEA, Markov Analysis, and Dependency Diagrams. ED-135 is referenced by EASA in certification specifications and acceptable means of compliance.

Where This Shows Up

ED-135 is the European counterpart to ARP4761A. The documents are closely aligned, reflecting collaborative development between SAE and EUROCAE. EASA certification projects may reference ED-135 while FAA projects reference ARP4761A.

Primary Sources

EUROCAE ED-135 — Guidelines and Methods for Conducting the Safety Assessment ProcessEASA

The EUROCAE equivalent of ARP4761A for safety assessment methodology.

Related Terms

SAE ARP4761A — Guidelines and Methods for Conducting the Safety Assessment Process on Civil Airborne Systems and Equipment (ARP4761A)EUROCAE ED-79B — Guidelines for Development of Civil Aircraft and Systems (ED-79B)Functional Hazard Assessment (FHA)Preliminary System Safety Assessment (PSSA)System Safety Assessment (SSA)

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