ASTM_F_3235_-_17a.pdf

Designation:F323517aStandard Specification forAircraft Storage Batteries1This standard is issued under the fixed designation F3235;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This specification covers international standards for theelectrical storage battery aspects of airworthiness and designfor“small”aircraft.1.2 The applicant for a design approval must seek theindividual guidance of their respective CAA body concerningthe use of this specification as part of a certification plan.Forinformation on which CAA regulatory bodies have acceptedthis specification(in whole or in part)as a means of compli-ance to their Small Aircraft Airworthiness regulations(herein-after referred to as“the Rules”),refer to ASTM F44 webpage(www.ASTM.org/COMMITTEE/F44.htm)which includesCAA website links.1.3 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.1.4 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 Following is a list of external standards referencedthroughout this specification;the earliest revision acceptablefor use is indicated.In all cases,later document revisions areacceptable if shown to be equivalent to the listed revision,or ifotherwise formally accepted by the governing civil aviationauthority;earlier revisions are not acceptable.2.2 ASTM Standards:2F3060 Terminology for AircraftF3061/F3061M Specification for Systems and Equipment inSmall Aircraft2.3 Other Standards:RTCA/DO-311 Minimum Operational Performance Stan-dards for Rechargeable Lithium Battery Systems3RTCA/DO-347 Certification Test Guidance for Small andMedium Sized Rechargeable Lithium Batteries and Bat-tery Systems33.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.4.Electrical Storage BatteriesNOTE1Table 1 provides correlation between various Aircraft TypeCodes and the individual requirements contained within this section;referto 3.2.1.For each subsection,an indicator can be found under each ATCcharacter field;three indicators are used:An empty cell()in all applicable ATC character field columnsindicates that an aircraft must meet the requirements of that subsection.A white circle()in multiple columns indicates that the requirementsof that subsection are not applicable to an aircraft only if all such ATCcharacter fields are applicable.A mark-out()in any of the applicable ATC character field columnsindicates that the requirements of that subsection are not applicable to anaircraft if that ATC character field is applicable.ExampleAn aircraft with anATC of 1SRLLDLN is being considered.Since all applicable columns are indicated for 4.1.1,that subsection isapplicable to the aircraft.1This 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 Sept.1,2017.Published October 2017.Originallyapproved in 2017.Last previous edition approved in 2017 as F3235 171.DOI:10.1520/F3235-17A.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 Radio Technical Commission for Aeronautics(RTCA),115018th NW,Suite 910,Washington,DC 20036,https:/www.rtca.org.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 Barriers to Trade(TBT)Committee.1 4.1 Nickel Cadmium Batteries:4.1.1 Each nickel cadmium