AMC1 23.2525 System power generation, storage, and distribution

• ED Decision 2023/002/R found in: CS-23 Amdt 6 AMC-GM Issue 4 - Normal-Category Aeroplanes (Mar 2023)
• ED Decision 2019/020/R found in: CS-23 Amdt 5 AMC-GM Issue 3 - Normal-Category Aeroplanes (Jul 2020)
• ED Decision 2026/003/R found in: CS-23 Amdt 6 AMC-GM Issue 5 - Normal-Category Aeroplanes (May 2026)

AMC1 23.2525 System power generation, storage, and distribution ED Decision 2023/002/R ASTM F44 F3264-21 Standard Specification for Normal Category Aeroplanes Certification 9.6     System Power Generation, Storage, and Distribution [F3061/F3061M-20](https://www.astm.org/Standards/F3061.htm) Standard Specification for Systems and Equipment in Small Aircraft [F3231/F3231M-21](https://www.astm.org/Standards/F3231.htm) Standard Specification for Electrical Systems for Aircraft with Combustion Engine Electrical Power Generation [F2490-20](https://www.astm.org/f2490-20.html) Standard Guide for Aircraft Electrical Load and Power Source Capacity Analysis [F3233/F3233M-21](https://www.astm.org/Standards/F3233.htm) Standard Specification for Flight and Navigation Instrumentation in Aircraft [F3117-20](https://www.astm.org/Standards/F3117.htm) Standard Specification for Crew Interface in Aircraft [F3120/F3120M-20](https://www.astm.org/Standards/F3120.htm) Standard Specification for Ice Protection for General Aviation Aircraft Remarks At variance with [F3231-21](https://www.astm.org/f3231_f3231m-22.html): (a)     paragraph 4.4.2 should be replaced with the following: 4.4.2 A protective device for a circuit essential to flight safety shall not be a fuse and it may not be used to protect any other circuit. (b)     paragraph 4.4.5 should be replaced with the following: 4.4.5 If the ability to reset a circuit protective device is essential to safety in flight, a means shall be provided so that it can be readily reset in flight; refer to Specification F3117/F3117M. ASTM F44 published standards for showing compliance for electrical systems that are installed on aeroplanes with electric or hybrid-electric propulsion systems. EASA has not yet accepted [F3316-19](https://www.astm.org/f3316_f3316m-19.html); however, EASA would take into consideration applications from applicants that use this standard as the basis for the development of their means of compliance subject to agreement with EASA. AMC1 23.2525 System power generation, storage, and distribution ED Decision 2019/020/R ASTM F44 F3264-18b Standard Specification for Normal Category Aeroplanes Certification 9.6 System Power Generation, Storage, and Distribution: [F2490-05](https://compass.astm.org/EDIT/html_annot.cgi?F2490-HTML) Standard Guide for Aircraft Electrical Load and Power Source Capacity [F3061/F3061M-17](https://www.astm.org/Standards/F3061.htm) Standard Specification for Systems and Equipment in Small Aircraft [F3231/F3231M-17](https://www.astm.org/Standards/F3231.htm) Standard Specification for Electrical Systems in Small Aircraft [F3235-17a](https://www.astm.org/Standards/F3235.htm) Standard Specification for Electrical Storage Batteries in Small Aircraft [F3233/F3233M-17](https://www.astm.org/Standards/F3233.htm) Standard Specification for Instrumentation in Small Aircraft [F3117-18b](https://www.astm.org/Standards/F3117.htm) Standard Specification for Crew Interface in Aircraft [F3120-15](https://www.astm.org/Standards/F3120.htm) Standard Specification for Ice Protection for General Aviation Aircraft Remarks Different from ASTM F3264-18b paragraph 9.6, ASTM F3235-17a is included as a means of complying with [CS 23.2525](#_DxCrossRefBm916685798) F3120-15 added as AMC ##### AMC1 23.2525 System power generation, storage, and distribution *ED Decision 2026/003/R* **ASTM F44 F3264 Standard Specification for Normal Category Aeroplanes Certification** *9.6* *System Power Generation, Storage, and Distribution* [F3061/F3061M-24a](https://www.astm.org/Standards/F3061.htm) Standard Specification for Systems and Equipment in Small Aircraft [F3231/F3231M-24](https://www.astm.org/Standards/F3231.htm) Standard Specification for Electrical Systems for Aircraft with Combustion Engine Electrical Power Generation [F2490-20](https://www.astm.org/f2490-20.html) Standard Guide for Aircraft Electrical Load and Power Source Capacity Analysis [F3233/F3233M-23b](https://www.astm.org/Standards/F3233.htm) Standard Specification for Flight and Navigation Instrumentation in Aircraft [F3117/F3117M-24a](https://www.astm.org/Standards/F3117.htm) Standard Specification for Crew Interface in Aircraft [F3120/F3120M-20](https://www.astm.org/Standards/F3120.htm) Standard Specification for Ice Protection for General Aviation Aircraft **Remarks** ASTM F44 published standards for showing compliance for electrical systems that are installed on aeroplanes with electric or hybrid-electric propulsion systems. EASA has not yet accepted [F3316-19](https://www.astm.org/f3316_f3316m-19.html); however, EASA would take into consideration applications from applicants that use this standard as the basis for the development of their means of compliance subject to agreement with EASA. [AMC & GM to CS-23: Issue 4] [AMC & GM to CS-23: Issue 5]