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Standard

Assessment of Electric Engine Failures Leading to LOPC

2023-01-12
WIP
AIR7130
This Aerospace Information Report provides guidance to assess the tolerance of an aircraft electric engine design to electrical and electronic failures leading to Loss of Power Control (LOPC) or Loss of Thrust Control (LOTC) events. Its intent is to provide a means to demonstrate compliance to certification requirements. At issue 1, this document only addresses fully electric engine configurations targeting single engine aircraft applications with conventional engine installation. It may also be suitable for multi-engine general aviation applications with conventional engine installation.
Standard

Integration and Certification Considerations for Electrified Propulsion Aircraft

2022-10-03
WIP
AIR7128
This document provides a comprehensive compilation of currently available practices, standards, regulations and guidance material that have been considered relevant for developing an electrified propulsion system (independently or as part of an aircraft) and that may also help the applicants in the process of building their own certification approach with their Authority. It also covers unique considerations for electrified propulsion development and aircraft integration. It focuses on the particularities introduced by the new technology. This document is not intended to represent a proposed Means of Compliance with any particular certification regulation.
Standard

Endurance tests for Aircraft Electric Engine

2021-03-08
WIP
ARP8689
Provide guidance to test the durability and integrity requirements of Electric Engines to be type certificated for installation in aircraft. This ARP is intended to provide a means to demonstrate compliance to certification requirements of Engines separately of aircraft certification requirements.
Standard

Safety Considerations for Electrified Propulsion Aircraft

2019-04-02
WIP
ARP8677
This SAE Aerospace Information Report (AIR) provides information to be considered when performing the safety assessment of electrified propulsion aircraft. Its main focuses are: ● Typical new technologies introduced by electrified propulsion and their impact on safety ● The failure modes of electrified propulsion systems and their components ● Potential effects of failures at system and aircraft levels ● Possible strategies to minimize failures and mitigate their effects The information in this document may be used to generate inputs for system and aircraft safety assessments based on industry standards such as SAE ARP4761. The first issue of this document addresses battery systems, power electronics, eMotors, electrical interconnects and thermal management for fully electric configurations. Future issues are expected to address other subsystems, components and configurations.
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