ASTM F2339-19a
(Practice)Standard Practice for Design and Manufacture of Reciprocating Spark Ignition Engines for Light Sport Aircraft
Standard Practice for Design and Manufacture of Reciprocating Spark Ignition Engines for Light Sport Aircraft
SIGNIFICANCE AND USE
3.1 This practice provides designers and manufacturers of engines for light sport aircraft design references and criteria to use in designing and manufacturing engines.
3.2 Declaration of compliance is based on testing and documentation during the design and testing or flight testing of the engine type by the manufacturer or under the manufacturers' guidance.
SCOPE
1.1 This practice covers minimum requirements for the design and manufacture of reciprocating spark ignition engines for light sport aircraft, VFR use.
1.2 The values stated in inch-pound units are to be regarded as standard. No other units of measurement are included in this standard.
1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
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Standards Content (Sample)
This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the
Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
Designation: F2339 − 19a
Standard Practice for
Design and Manufacture of Reciprocating Spark Ignition
1
Engines for Light Sport Aircraft
This standard is issued under the fixed designation F2339; the number immediately following the designation indicates the year of
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. Scope 3.2 Declaration of compliance is based on testing and
documentation during the design and testing or flight testing of
1.1 This practice covers minimum requirements for the
the engine type by the manufacturer or under the manufactur-
design and manufacture of reciprocating spark ignition engines
ers’ guidance.
for light sport aircraft, VFR use.
1.2 The values stated in inch-pound units are to be regarded
4. Engine Model Designation
as standard. No other units of measurement are included in this
4.1 Engine Parts List—A parts list is required for each
standard.
engine model qualified in accordance with this specification.
1.3 This standard does not purport to address all of the
4.2 New Engine Model Designations:
safety concerns, if any, associated with its use. It is the
4.2.1 Each new engine model must be qualified in accor-
responsibility of the user of this standard to establish appro-
dance with this practice.
priate safety, health, and environmental practices and deter-
4.2.2 Design or configuration changes that impact the in-
mine the applicability of regulatory limitations prior to use.
stallation interface, performance, or operability of the engine
1.4 This international standard was developed in accor-
require a new engine model designation.
dance with internationally recognized principles on standard-
ization established in the Decision on Principles for the
4.3 Design Changes of Parts—Each design change of a part
Development of International Standards, Guides and Recom- or component of an engine model qualified to this specification
mendations issued by the World Trade Organization Technical
should be evaluated relative to the requirements of this
Barriers to Trade (TBT) Committee. specification.
2. Referenced Documents
5. Data Requirements
2.1 ASTM Standard: 5.1 Retained Data—The following data and information
F3153 Specification for Verification of Avionics Systems should be retained on file at the manufacturer’s facility for at a
2 minimum of 18 years after production is discontinued.
2.2 RTCA Standards:
5.1.1 Drawings that define the engine configuration.
DO-178 Software Considerations in Airborne Systems and
5.1.2 Material and process specifications referenced in the
Equipment Certification
parts drawings.
DO-254 DesignAssuranceGuidanceforAirborneElectronic
5.1.3 Engineering analyses and test data prepared for quali-
Hardware
fication with this specification.
3. Significance and Use
5.2 Delivered Data—The following data should be deliv-
ered to the airplane manufacturer to support design and
3.1 This practice provides designers and manufacturers of
operation of the applicable airplane.
engines for light sport aircraft design references and criteria to
5.2.1 An engine performance specification that defines the
use in designing and manufacturing engines.
engine performance under all anticipated operating environ-
ments.
5.2.2 An installation manual that defines all functional and
1
This practice is under the jurisdiction ofASTM Committee F37 on Light Sport
physical interface requirements of the engine. This should
Aircraft and is the direct responsibility of Subcommittee F37.70 on Cross Cutting.
Current edition approved Nov. 1, 2019. Published March 2020. Originally
include an engine outline/installation drawing.
approved in 2004. Last previous edition approved in 2019 as F2339–19. DOI:
5.2.3 An operating manual that defines normal and abnor-
10.1520/F2339–19A.
2
mal operating procedures and any applicable operating limita-
Available from RTCA, 1150 18th NW, Suite 910, Washington, DC 20036,
https://www.rtca.org. tions.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
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F2339 − 19a
5.2.4 A maintenance manual that defines periodic installed 6.7 Fuel and Induction System:
maintenance, major inspection, overhaul intervals, and any 6.7.1 Induction System Icing—The fuel and air intake pas-
other maintenance limitations. sages must be designed to minimize the accretion of ice.
5.2.5 An overhaul manual that provides instruction for 6.7.2 Filtering—Thetypeanddegreeoffuelandairfiltering
necessar
...
This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation: F2339 − 19 F2339 − 19a
Standard Practice for
Design and Manufacture of Reciprocating Spark Ignition
1
Engines for Light Sport Aircraft
This standard is issued under the fixed designation F2339; the number immediately following the designation indicates the year of
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. Scope
1.1 This practice covers minimum requirements for the design and manufacture of reciprocating spark ignition engines for light
sport aircraft, VFR use.
1.2 The values stated in inch-pound units are to be regarded as standard. No other units of measurement are included in this
standard.
1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility
of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of
regulatory limitations prior to use.
1.4 This international standard was developed in accordance with internationally recognized principles on standardization
established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued
by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
2. Referenced Documents
2.1 ASTM Standard:
F3153 Specification for Verification of Avionics Systems
2
2.2 RTCA Standards:
DO-178 Software Considerations in Airborne Systems and Equipment Certification
DO-254 Design Assurance Guidance for Airborne Electronic Hardware
3. Significance and Use
3.1 This practice provides designers and manufacturers of engines for light sport aircraft design references and criteria to use
in designing and manufacturing engines.
3.2 Declaration of compliance is based on testing and documentation during the design and testing or flight testing of the engine
type by the manufacturer or under the manufacturers’ guidance.
4. Engine Model Designation
4.1 Engine Parts List—A parts list is required for each engine model qualified in accordance with this specification.
4.2 New Engine Model Designations:
4.2.1 Each new engine model must be qualified in accordance with this practice.
4.2.2 Design or configuration changes that impact the installation interface, performance, or operability of the engine require
a new engine model designation.
4.3 Design Changes of Parts—Each design change of a part or component of an engine model qualified to this specification
should be evaluated relative to the requirements of this specification.
5. Data Requirements
5.1 Retained Data—The following data and information should be retained on file at the manufacturer’s facility for at a
minimum of 18 years after production is discontinued.
1
This practice is under the jurisdiction of ASTM Committee F37 on Light Sport Aircraft and is the direct responsibility of Subcommittee F37.70 on Cross Cutting.
Current edition approved April 1, 2019Nov. 1, 2019. Published May 2019March 2020. Originally approved in 2004. Last previous edition approved in 20172019 as
F2339–17.–19. DOI: 10.1520/F2339–19.10.1520/F2339–19A.
2
Available from RTCA, 1150 18th 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 States
1
---------------------- Page: 1 ----------------------
F2339 − 19a
5.1.1 Drawings that define the engine configuration.
5.1.2 Material and process specifications referenced in the parts drawings.
5.1.3 Engineering analyses and test data prepared for qualification with this specification.
5.2 Delivered Data—The following data should be delivered to the airplane manufacturer to support design and operation of
the applicable airplane.
5.2.1 An engine performance specification that defines the engine performance under all anticipated operating environments.
5.2.2 An installation manual that defines all functional and physical interface requirements of the engine. This should include
an engine outline/installation drawing.
5.2.3 An operating manual that defines normal and abnormal operating procedures and any applicable operating limitations.
5.2.4 A maintenance manual that defines periodic installed maintenance, major inspection, overhaul intervals, and any other
maintenance limitations.
5.2.5 An overhaul manual that provides instruction for disassembling the engine to replace or repair, o
...
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