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Appendix C and the ARAC Electrical Systems Harmonization Working Group) believes that this philosophy should be applied to any airplane system that requires having its power removed or reset during normal operations. The FAA agrees with this recommendation.
The proposed § 25.1357(f) would require that airplane systems needing a capability for having their power removed or reset during normal operations must be designed so that circuit breakers are not the primary means to do that. This is a new regulation whose requirements have not previously existed within part 25 and is a recognition that any airplane system, including an IFE system, that requires regular power removal or resetting needs to have a means to do so.
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