ASTM F3231/F3231M-17

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation: F3231/F3231M −17
Standard Specification for
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Electrical Systems in Small Aircraft
ThisstandardisissuedunderthefixeddesignationF3231/F3231M;thenumberimmediatelyfollowingthedesignationindicatestheyear
of original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.
A superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope F3061/F3061MSpecification for Systems and Equipment in
Small Aircraft
1.1 This specification covers international standards for the
F3066/F3066MSpecification for Powerplant Systems Spe-
electrical systems aspects of airworthiness and design for
cific Hazard Mitigation
“small” aircraft.
F3117/F3117MSpecification for Crew Interface in Aircraft
1.2 The applicant for a design approval must seek the
F3235SpecificationforElectricalStorageBatteriesinSmall
individual guidance of their respective CAA body concerning
Aircraft
the use of this specification as part of a certification plan. For
2.3 FAA Standard:
information on which CAA regulatory bodies have accepted
DOT/FAA/AR-00/12Aircraft Materials Fire Test Hand-
this specification (in whole or in part) as a means of compli- 3
book
ance to their SmallAircraftAirworthiness regulations (herein-
after referred to as “the Rules”), refer to ASTM F44 webpage
3. Terminology
(www.ASTM.org/COMMITTEE/F44.htm) which includes
3.1 Terminology specific to this specification is provided
CAA website links.
below. For general terminology, refer to Terminology F3060.
1.3 The values stated in either SI units or inch-pound units
3.2 Definitions of Terms Specific to This Standard:
are to be regarded separately as standard. The values stated in
3.2.1 aircraft type code, n—anAircraftType Code (ATC) is
each system may not be exact equivalents; therefore, each
defined by considering both the technical considerations re-
system shall be used independently of the other. Combining
garding the design of the aircraft and the airworthiness level
values from the two systems may result in non-conformance
established based upon risk-based criteria; the method of
with the standard.
defining an ATC applicable to this specification is defined in
1.4 This standard does not purport to address all of the
Specification F3061/F3061M.
safety concerns, if any, associated with its use. It is the
3.2.2 continued safe flight and landing, n—continued safe
responsibility of the user of this standard to establish appro-
flight and landing as applicable to this specification is defined
priate safety and health practices and determine the applica-
in Specification F3061/F3061M.
bility of regulatory limitations prior to use.
4. Electrical Systems
2. Referenced Documents
NOTE 1—Table 1 provides correlation between various Aircraft Type
2.1 Following is a list of external standards referenced
Codes and the individual requirements contained within this section; refer
to 3.2.1. For each subsection, an indicator can be found under each ATC
throughout this specification; the earliest revision acceptable
character field; three indicators are used:
for use is indicated. In all cases later document revisions are
An empty cell ( ) in all applicable ATC character field columns
acceptableifshowntobeequivalenttothelistedrevision,orif
indicates that an aircraft must meet the requirements of that subsection.
otherwise formally accepted by the governing civil aviation
A white circle (○) in multiple columns indicates that the requirements
authority; earlier revisions are not acceptable.
of that subsection are not applicable to an aircraft only if all such ATC
character fields are applicable.
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2.2 ASTM Standards:
A mark-out (×) in any of the applicable ATC character field columns
F3060Terminology for Aircraft
indicates that the requirements of that subsection are not applicable to an
aircraft if that ATC character field is applicable.
Example—AnaircraftwithanATCof1SRLLDLNisbeingconsidered.
1
ThisspecificationisunderthejurisdictionofASTMCommitteeF44onGeneral
Since all applicable columns are empty for 4.2.1, that subsection is
Aviation Aircraft and is the direct responsibility of Subcommittee F44.50 on
applicable to the aircraft. Since both the “L” stall speed column and the
Systems and Equipment.
“D” meteorological column for 4.1.1 contain white circles, then that
Current edition approved Feb. 15, 2017. Published March 2017. DOI: 10.1520/
subsection is not applicable; however, for an aircraft with an ATC of
F3231_F3231M-17.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
3
Standards volume information, refer to the standard’s Document Summary page on Available from Federal Aviation Administration (FAA), 800 Independence
the ASTM website. Ave., SW, Washington, D
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