ASTM_F_3316_-_F_3316M_-_18.pdf

Designation:F3316/F3316M18Standard Specification forElectrical Systems for Aircraft with Electric or Hybrid-Electric Propulsion1This standard is issued under the fixed designation F3316/F3316M;the number immediately following the designation indicates the yearof original adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.A superscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This specification covers the electrical systems,electri-cal equipment,and electrical power distribution aspects ofairworthiness and design for aircraft with Electric or Hybrid-Electric Propulsion.This material was developed through openconsensus of international experts in general aviation.Thismaterial was created by focusing on Normal Category Air-planes.The content may be more broadly applicable;it is theresponsibility of the applicant to substantiate broader applica-bility as a specific means of compliance.1.2 An applicant intending to propose this information as ameans of compliance for design approval must seek guidancefrom their respective oversight authority(for example,pub-lished guidance from applicable CAAs)concerning the accept-able use and application thereof.For information on whichoversight authorities have accepted this standard(in whole orin part)as a Means of Compliance to their regulatory require-ments(Hereinafter referred to as“the Rules”),refer to ASTMF44 webpage(www.ASTM.org/COMMITTEE/F44.htm).1.3 UnitsThis standard may present information in eitherSI units,English Engineering units,or both;the values statedin each system may not be exact equivalents.Each system shallbe used independently of the other;combining values from thetwo systems may result in nonconformance with the standard.1.4 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety,health,and environmental practices and deter-mine the applicability of regulatory limitations prior to use.1.5 This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:2F2490 05 Standard Guide for Aircraft Electrical Load andPower Source Capacity AnalysisF3060 Terminology for AircraftF3061/F3061M Specification for Systems and Equipment inSmall AircraftF3066/F3066M Specification for Aircraft Powerplant Instal-lation Hazard MitigationF3235 Specification for Aircraft Storage Batteries2.2 FAA Standard:3DOT/FAA/AR-00/12 Aircraft Materials Fire Test Handbook3.Terminology3.1 Terminology specific to this specification is providedbelow.For general terminology,refer to Terminology F3060.3.2 Definitions of Terms Specific to This Standard:3.2.1 aircraft type code,nan Aircraft Type Code(ATC)isdefined by considering both the technical considerations re-garding the design of the aircraft and the airworthiness levelestablished based upon risk-based criteria;the method ofdefining an ATC applicable to this specification is defined inSpecification F3061/F3061M.3.2.2 continued safe flight and landing,ncontinued safeflight and landing as applicable to this specification is definedin Specification F3061/F3061M.3.2.3 Battery Management System(BMS)a battery man-agement system is any electronic system that manages arechargeable battery(cell or battery pack),such as by protect-ing the battery from operating outside its Safe Operating Area,monitoring its state,calculating secondary data,reporting thatdata,controlling its environment,authenticating it or balancingit,or both.3.2.4 Electric Propulsion System(EPS)installation thatincludes at least one EPU and hardware required to produce1This specification is under the jurisdiction ofASTM Committee F44 on GeneralAviation Aircraft and is the direct responsibility of Subcommittee F44.50 onSystems and Equipment.Current edition approved May 15,2018.Published June 2018.DOI:10.1520/F3316_F3316M-18.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.3Available from Federal Aviation Administration(FAA),800 IndependenceAve.,SW,Washington,DC 20591,http:/www.faa.gov.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United StatesThis international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Ba