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ADVISORY CIRCULARAC 20-03Identification and management ofaeronautical productsv1.0 – March 2016

IDENTIFICATION AND MANAGEMENT OF AERONAUTICAL PRODUCTSAdvisory Circulars are intended to provide advice and guidance to illustrate a means, but not necessarily the onlymeans, of complying with the Regulations, or to explain certain regulatory requirements by providing informative,interpretative and explanatory material.Advisory Circulars should always be read in conjunction with the relevant regulations.AudienceThis Advisory Circular (AC) applies to: Subpart 21.G - Production Certificate holdersSubpart 21.O - Australian Technical Standard Order Authorisation holdersSubpart 21.K - Australian Parts Manufacturer Approval holdersPart 42 - Continuous Airworthiness Management OrganisationsPart 145 - Aircraft Maintenance OrganisationsPart 30 of Civil Aviation Regulations 1988 (CAR) - Certificates of Approval holders formaintenance or distributionoperators and maintainers of aircraft.PurposeThe purpose of this AC is to provide guidance to the aviation community for identification of aircraftand aeronautical products.For further informationFor further information on this AC, contact Civil Aviation Safety Authority's (CASA’s) Airworthinessand Engineering Standards Branch (telephone 131 757).StatusThis version of the AC is approved by the Executive Manager, Standards Division.Version1.0DateMarch 2016DetailsInitial version. Aeronautical product information published within Civil AviationAdvisory Publication (CAAP) 51-2, CAAP 42W-1 and other relatedairworthiness ACs were reviewed and updated for inclusion within this AC.Whilst previously drafted under AC 21.Q, CASA has determined that thecontents apply to a wider set of regulations than under Subpart 21.Q and thusthe generic 20 series numbering has now been utilised.Unless specified otherwise, all subregulations, regulations, divisions, subparts and partsreferenced in this AC are references to the Civil Aviation Safety Regulations 1998 (CASR).AC 20-03 v1.0March 2016Page 1

IDENTIFICATION AND MANAGEMENT OF AERONAUTICAL PRODUCTSContents1234Reference Background82.1Aeronautical product and aircraft component82.2Approved design92.3Identification of parts102.4Approved parts and unapproved parts132.5Unserviceable parts142.6Unsalvageable parts15Detection of unapproved parts173.2Part records173.3Procurement process173.4Acceptance procedures183.5Supplier evaluations19Reports204.1Unapproved parts204.2Reporting major defects204.3Reporting to CASA204.4Reporting to other approval holders215Salvaging parts226Disposal of parts23AC 20-03 v1.0March 2016Page 2

IDENTIFICATION AND MANAGEMENT OF AERONAUTICAL PRODUCTS1Reference material1.1AcronymsThe acronyms and abbreviations used in this AC are listed in the table below.AcronymDescriptionACAdvisory CircularADAirworthiness DirectiveAMOAircraft Maintenance OrganisationAPMAAustralian Parts Manufacturer ApprovalARCAuthorised Release CertificateATSOAustralian Technical Standard OrderAWBAirworthiness BulletinCAAPCivil Aviation Advisory PublicationCAOCivil Aviation OrderCARCivil Aviation Regulations 1988CASACivil Aviation Safety AuthorityCASRCivil Aviation Safety Regulations 1998COTSCommercial Off The ShelfETSOEuropean Technical Standard OrderFAAFederal Aviation Administration (of the United States of America)FITCOMFabrication In The Course Of MaintenanceICAOInternational Civil Aviation OrganizationMITCOMManufacture In The Course Of MaintenanceNAANational Airworthiness AuthorityPMAParts Manufacturer Approval (FAA)SDRService Difficulty ReportsSUPSuspected Unapproved PartSTCSupplemental Type CertificateTCType CertificateTSOTechnical Standard Order (FAA)AC 20-03 v1.0March 2016Page 3

IDENTIFICATION AND MANAGEMENT OF AERONAUTICAL PRODUCTS1.2DefinitionsTerms that have specific meaning within this AC are defined in the table below.TermDefinitionAeronautical ProductAny part or material that is, or is intended by its manufacturer, to be a part ofor used in an aircraft, unless excluded by the regulations - see Part I of theCivil Aviation Act 1988 (the Act).Aircraft ComponentAny part or equipment for an aircraft that, when fitted to, or provided in anaircraft may, if it is not sound or functioning correctly, affect the safety of theaircraft, its occupants or its cargo or cause the aircraft to become a danger toperson or property or flotation equipment, evacuation equipment, rationpacks, portable breathing apparatus, fire-fighting equipment, or any otherequipment or apparatus, fitted to, or provided in, an aircraft for use in anemergency - see Part 1 of the CASR Dictionary.Aircraft MaterialMaterial (including a fluid) for use in the manufacture, maintenance, servicingor operation of an aircraft or of an aircraft component, but does not include anaircraft component - see Part 1 of the CASR Dictionary.Approved DesignFor an aeronautical product, other than an aircraft engine or propeller, that isapproved in a manner mentioned in regulation 21.305 or 21.305A, the designspecifications for the product and any changes to the design specificationsmade in accordance with a Part 21 approval.Certificate ofConformanceTerminology used to describe a certificate issued by the manufacturer of astandard part, stating that the part conforms to a stated industry standard orspecification.Class I ProductIncludes a complete aircraft, aircraft engine or propeller for which a foreigntype certificate has been issued - see paragraph 21.321 (2) (a).Class II ProductA major component of a Class I product, the failure of which would jeopardisethe safety of a Class I product - see paragraph 21.321 (2) (b).Class III ProductAny part or component which is not Class I or Class II product and includesstandard parts - see paragraph 21.321 (2) (c).Contracting StateA country that has signed the Convention of Civil Aviation (the ChicagoConvention).Critical PartA part that must be inspected, overhauled, or removed or retired from theaircraft within a period specified in the Airworthiness Limitations section of theManufacturer’s Maintenance Manual (as published occasionally by theaircraft’s manufacturer) for the aircraft or in the Manufacturer’s Instructions forContinued Airworthiness (as published occasionally by the manufacturer) forthe aircraft.DistributorBrokers suppliers, resellers, or other individuals and agencies engaged in thesale of aircraft parts.Instructions forWritten instructions for an aircraft or aeronautical product as per Clause 10 ofContinued Airworthiness Part 3 of the CASR Dictionary.PartFor the purpose of this AC, a part refers to any aeronautical product, aircraftcomponent, product or appliance.Standard PartA part that complies with a specification that is established, published andmaintained by an organisation that sets consensus standards for products ora government agency and includes design, manufacturing, test andacceptance criteria and requirements for the uniform identification of the part -AC 20-03 v1.0March 2016Page 4

IDENTIFICATION AND MANAGEMENT OF AERONAUTICAL PRODUCTSTermDefinitionsee Part 1 of the CASR Dictionary.ServiceableAn aeronautical product is serviceable if the product conforms with itsapproved design and is fit for its intended use - see subregulation 42.015 (6).Time-lifed componentAn aircraft component (including an engine or propeller) that themanufacturer of the component or if the component has been modified—thedesigner of the modification or CASA has instructed must be retired oroverhauled or removed from an aircraft within a particular period.UnsalvageableAn aeronautical product is unsalvageable if the product is unserviceable andcannot be made serviceable - see subregulation 42.015 (7).1.3ReferencesRegulationsRegulations are available on the ComLaw website http://www.comlaw.gov.au/HomeDocumentTitleCivil Aviation Act 1988 (the Act)Subpart 21.QIdentification of aircraft and aeronautical productsSubpart 21.KApproval of materials, parts, processes and appliancesSubpart 21.OAustralian Technical Standard Order AuthorisationSubpart 42.EAeronautical productsCASR DictionaryPart 42 Manual ofStandards (MOS)Part 145 MOSPart 4A of CARMaintenancePart 4D of CARRemoval of data plates and registration identification platesRegulation 30of CARCertificates of approvalRegulation 42Wof CARInstallation and use of aircraft components in maintenance - Australianaircraft in Australian territoryRegulation 42ZAof CARUse of aircraft components, aircraft materials etc. in maintenance - Australianaircraft outside of Australian territoryRegulation 42Wof CARInstallation and use of aircraft components in maintenance—Australianaircraft in Australian territoryRegulation 42WAof CARRequirements for authorised release certificateRegulation 42ZPof CARCertification not to be madeAC 20-03 v1.0March 2016Page 5

IDENTIFICATION AND MANAGEMENT OF AERONAUTICAL PRODUCTSDocumentTitleRegulation 42ZQof CARRelated document - issued by manufacturer of an aircraft component oraircraft materialRegulation 47 of CARMaintenance release to cease to be in forceRegulation 50E of CARInconsistent requirements - resolution of inconsistenciesRegulation 51A of CARReporting of defects in Australian aircraft—generalRegulation 52 of CARDefects discovered in aircraft componentsRegulation 52A of CARHow must reports to Authority be made?Regulation 52B of CARKeeping of defective aircraft and aircraft componentsRegulation 53 of CARInvestigation of defects of Australian aircraftCivil Aviation Order(CAO) 20.18Aircraft equipment — basic operational requirementsCAO 100.5General requirements in respect of maintenance of Australian aircraftCAO 100.16Administration Procedure - distribution & rejection of aircraft components andmaterialsAdvisory materialAdvisory Circulars are available at http://www.casa.gov.au/ACAcceptable Means of Compliance and Guidance Material (AMC/GM) are available at http://www.casa.gov.au/amcgmCivil Aviation Advisory Publications are available at http://www.casa.gov.au/CAAPAirworthiness Bulletins (AWB) are available at itleAC 21-08Approval of modification and repair designs under Subpart 21.MAC 21-14Production CertificatesAC 21-16Approval of Materials, Parts, Processes and AppliancesAC 21-17Export Airworthiness ApprovalsAC 21-22Approval of Imported Engines, Propellers, Materials, Parts and AppliancesAC 21-601Australian Technical Standard Order AuthorisationAC 45-01Nationality and Registration MarksAMC/GM Part 42Continuing airworthiness requirements for aircraft and aeronautical productsAMC/GM Part 145Approved maintenance organisation requirementsCAAP 30-4Certificate of Approval – Maintenance OrganisationCAAP 37-1Minimum equipment lists (MEL)CAAP 42W-1Documents for the supply of aircraft components and materialsCAAP 42W-2Authorised Release CertificateAC 20-03 v1.0March 2016Page 6

IDENTIFICATION AND MANAGEMENT OF AERONAUTICAL PRODUCTSDocumentTitleCAAP 51-1Defect reportingCAAP 51-2Detecting and reporting suspected unapproved partsAWB General Advice 01Suspected Unapproved Parts - NotificationsOther referencesDocumentTitleCASA AirworthinessBulletin General Advice01Suspected Unapproved Parts - NotificationsAnnex 8, Airworthiness ofAircraft to the ChicagoConventionAnnex 8, Airworthiness of Aircraft to the Convention on International CivilAviation (the Chicago Convention)ICAO Doc 9760Airworthiness ManualICAO Circular 95The Continuing Airworthiness of Aircraft in ServiceFAA Unapproved PartsNotifications (UPN)FAA AC 21-29CDetecting and Reporting Suspected Unapproved PartsFormsCASA’s forms are available at http://www.casa.gov.au/formsForm numberTitleForm 1Authorised Release CertificateForm 1iAuthorised Release Certificate - Instructions for completion by the originatorForm 724Statement of ConformityForm 1058Suspected Unapproved Parts ReportAC 20-03 v1.0March 2016Page 7