SAE ARP 4754 "Certification Considerations for Highly-Integrated or Complex Aircraft Systems"
A summary of the scope of SAE ARP 4754.
The safety standard SAE ARP 4754 "Certification Considerations for Highly-Integrated or Complex Aircraft Systems" deals with the system development processes of aviation systems and how to show compliance to a regulator.
It references out to RTCA/DO-178 "Software Considerations in Airborne Systems and Equipment Certification" for software and RTCA/DO-254 "Design Assurance Guidance for Airborne Electronic Hardware Considerations in Airborne Systems and Equipment Certification" for hardware.
For many safety engineering techniques it references out to SAE ARP 4761 "Guidelines and Methods for Conducting the Safety Assessment Process on Civil Airborne Systems and Equipment".