1、Designation: F2483 181Standard Practice forMaintenance and the Development of Maintenance Manualsfor Light Sport Aircraft1This standard is issued under the fixed designation F2483; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, th
2、e 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.1NOTEEditorially corrected A1.3 in April 2018.1. Scope1.1 This practice provides guidelines for the qualificationsto acc
3、omplish the various levels of maintenance on U.S.-certificated experimental and special light sport aircraft. Inaddition, it provides the content and structure of maintenancemanuals for aircraft and their components that are operated aslight sport aircraft.1.2 This standard does not purport to addre
4、ss 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.1.3 This international standard was develo
5、ped 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 Docum
6、ents2.1 ASTM Standards:2F2241 Specification for ContinuedAirworthiness System forPowered Parachute AircraftF2244 Specification for Design and Performance Require-ments for Powered Parachute AircraftF2245 Specification for Design and Performance of a LightSport AirplaneF2295 Practice for Continued Op
7、erational Safety Monitor-ing of a Light Sport AircraftF2352 Specification for Design and Performance of LightSport Gyroplane AircraftF2415 Practice for Continued Airworthiness System forLight Sport Gyroplane Aircraft2.2 Federal Standards:314 CFR Part 21.190 Issue of a Special Airworthiness Cer-tific
8、ate for a Light-Sport Category Aircraft14 CFR Part 43 Maintenance, Preventive Maintenance,Rebuilding, and Alteration14 CFR Part 65 Certification: Airmen Other Than FlightCrewmembers3. Terminology3.1 Definitions:3.1.1 annual condition inspectiondetailed inspection ac-complished once a year on a LSA i
9、n accordance with instruc-tions provided in the maintenance manual supplied with theaircraft. The purpose of the inspection is to look for any wear,corrosion, or damage that would cause an aircraft to not be ina condition for safe operation.3.1.2 A however, the regulations do require themanual to be
10、 developed in accordance with industry consensus standards.5.1 FormatThe maintenance manual shall have the fol-lowing sections:5.1.1 GeneralListings of general specifications,capacities, and instructions on ground handling, servicing, andlubrication such as:5.1.1.1 Equipment list,5.1.1.2 Sources to
11、purchase parts,5.1.1.3 List of disposable replacement parts, for example,air filters, fuel filters, oil filters, and tires,5.1.1.4 Engine specifications,5.1.1.5 Weight and balance information,5.1.1.6 Tire inflation pressures,5.1.1.7 Approved oils and capacities,5.1.1.8 Recommended fastener torque va
12、lues,5.1.1.9 General safety information, and5.1.1.10 Instructions for reporting possible safety of flightconcerns found during inspection/maintenance.5.1.2 InspectionsInstructions on and checklists for thecompletion of periodic and annual condition/100-h inspections,as appropriate.5.1.3 StructuresA
13、description of and instructions for themaintenance, repair, and alteration of the aircraft primarystructures such as:5.1.3.1 Wing (fixed, rotary, or inflatable),5.1.3.2 Empennage (or cart),5.1.3.3 Landing gear, and5.1.3.4 Structural control surfaces, for example, elevator (ifapplicable).5.1.4 Engine
14、A description of and instruction for themaintenance, repair, and overhaul of the aircrafts engine if theaircraft is powered.NOTE 2An LSA manufacturer may defer to the engine manufacturerfor the required maintenance, repair, and overhaul instructions.5.1.5 Fuel SystemA description of the system, sche
15、maticdiagram, and instructions for the maintenance and repair of theaircraft fuel system, if a powered aircraft.5.1.6 PropellerA description of and instructions for themaintenance and repair of the propeller, if a powered aircraft.NOTE 3An LSA manufacturer may defer to the propeller manufac-turer fo
16、r the required maintenance, repair, and overhaul instructions.5.1.7 Utility SystemsA description of the systems andinstructions for the maintenance and repair of utility systemssuch as heating, vent, and air-conditioning, if installed.5.1.8 Instruments and AvionicsA description of and in-structions
17、for the maintenance, repair, replacement, and instal-lation of existing and additional instruments and avionics, asapplicable.5.1.9 Electrical SystemA description of the system, sche-matic diagram, and instructions for the maintenance, repair,and alteration, as appropriate.5.1.10 Structural RepairA
18、description of the structuralrepairs that are authorized without further consultation with themanufacturer.F2483 18125.1.11 Painting and CoatingsA description for the repair,replacement, or alteration, or a combination thereof, of paint orcoatings used on the aircraft.5.1.12 RevisionsA section, such
19、 as a change history table,for the listing of any revisions to the maintenance manual bythe manufacturer.5.1.13 Feedback FormA form for the aircraft owner ormaintainer to provide notification to the manufacturer aboutissues and anomalies identified during the operation or main-tenance of the aircraf
20、t or in the content of the manual.5.2 Inspection, Repair, and AlterationsEach of theinspections, repairs, and alterations outlined in the maintenancemanual shall specifically list:(1) Recommended special tools to accomplish the task,(2) The parts needed to perform the task,(3) Type of maintenance, f
21、or example, line, heavy, oroverhaul,(4) The level of certification needed to accomplish the task,for example, owner, A condition inspection; gyroplane; heavy main-tenance; inspection; light sport aircraft; line maintenance;maintenance manual; major alteration; major repair; overhaul;powered parachut
22、e; repairman; safety directive; special lightsport aircraft; weight shiftANNEX(Mandatory Information)A1. LSA MAJOR REPAIR AND ALTERATION (MRA) REQUIREMENTSNOTE A1.1Type Certificated (TC) components are not covered by thisannex.A1.1 IntroductionAny repair or alteration not containedin the related Mai
23、ntenance Manual (MM) must be authorizedby the Aircraft Original Equipment Manufacturer (OEM). TheAircraft OEM must provide complete information on how toperform the repair or alteration which can include, but is notlimited to, the following:A1.1.1 Aircraft Models and Serial Number(s) that can usethe
24、 MRA.A1.1.2 Replacement PartsAssemblies, subassemblies, de-tail parts, or attaching parts required.A1.1.3 Consumable or Bulk Materials required.A1.1.4 Special tools, fixtures, or test equipment required.A1.1.5 Preparation Instructions.A1.1.6 Installation Instructions.A1.1.7 Assembly Instructions.A1.
25、1.8 Testing Instructions.A1.1.9 Inspection Instructions.A1.1.10 Authorization.A1.1.11 Documentation and Records Requirements.A1.2 The Aircraft OEM shall also do the following:A1.2.1 Create, store, and maintain the data in whateverformat (electronic, paper, and other) they determine is best fortheir
26、company.A1.2.2 Decide whether additional information is requiredfor in-house use and records.A1.2.3 Decide how the in-house information will be stored(for example, in a database, spreadsheet, or some other form ofelectronic or paper storage).A1.2.4 Decide how the information will be incorporatedinto
27、 the Maintenance Manual and in some cases the PilotsOperating Handbook (POH).A1.2.5 Define how the completed form will be provided tothe aircraft owner or mechanic (for example, PDF by email,download from the Aircraft OEM website, or another means).A1.2.6 Define how the aircraft owner or mechanic ca
28、nreturn the signed form for the Aircraft OEMs inhouse records(to show the original configuration has been changed).A1.3 The Aircraft OEM must develop a LSA Major Repairand Alteration (MRA) form. This form:A1.3.1 Is a standard means for the Aircraft OEM to providethe information to the aircraft owner
29、 and mechanic.A1.3.2 Should follow the main blocks sequence, blockheadlines, block numbering, minimum required blocks andpredefined affidavits compared to the block structure definitionin A1.4. If a specific block is not required for a particularMRA, insert the words: Not Applicable. The form should
30、maintain a consistent appearance and remain easily recogniz-able compared to the example MRA form provided on theASTM website at https:/www.astm.org/COMMITTEE/F37.htm. Further detailing within the individual form is alsoacceptable when it does not change the sense of the mainblock.A1.3.3 IS NOT inte
31、nded to be provided to an aircraft owneror mechanic to complete and submit to the Aircraft OEM forapproval or authorization. If the Aircraft OEM wants toprovide this type of request form, it can be created in-house tomeet company requirements.A1.3.4 A revision history shall be kept for each MRA.A1.4
32、 MRA Form Block ExplanationsUnless otherwisedefined, all blocks are to be completed by the Aircraft OEMwhen filling out the form. Text in quote signs is to be usedunchanged in the form.A1.4.1 HEADLINE BLOCKA1.4.1.1 Title: “LSAMAJOR REPAIRAND/ORALTERA-TION (MRA)”.A1.4.1.2 ID Number: A unique number t
33、o identify the task.A1.4.1.3 Revision: A unique number, letter, or combinationto identify the task revision level.A1.4.1.4 Date: Date when this MRA was created or revised.A1.4.1.5 Company: Name and/or Logo may be in theheadline.A1.4.1.6 Document Title: A unique title for the task.A1.4.1.7 Descriptio
34、n: A unique description of the repair oralteration.A1.4.1.8 Include the following note “NOTE: Any externaldocuments referenced on this form should include revisionlevel, issue date, and title as appropriate.”A1.4.2 “BLOCK 1AIRCRAFT INFORMATION”A1.4.2.1 MakeA1.4.2.2 ModelF2483 1815A1.4.2.3 Serial Num
35、berA1.4.2.4 Nationality and Registration MarksA1.4.3 “BLOCK 2OWNER INFORMATION”A1.4.3.1 Name (as it appears on the aircraft registration)A1.4.3.2 Address (as it appears on the aircraft registration)A1.4.4 “BLOCK 3AIRCRAFT DATA”This information must be sufficient to freeze the aircraft andequipment i
36、n time when the MRA was declared applicable.Total time since new and total time since overhaul informationshall be supplied by the aircraft owner.A1.4.4.1 Airframe: Manufacturer, Type, Model, Total TimeSince New, Total Time Since Overhaul.A1.4.4.2 Powerplant: Manufacturer, Type, Model, TotalTime Sin
37、ce New, Total Time Since Overhaul.A1.4.4.3 Propeller: Manufacturer, Type, Model, Total TimeSince New, Total Time Since Overhaul.A1.4.5 “BLOCK 4MRA APPROVAL”A1.4.5.1 Affidavit: “The Aircraft OEM confirms the aircraftbeing repaired or altered still meets the requirements of theapplicable ASTM design a
38、nd performance specification subse-quent to completion of the repair or alteration specified in theMRA”.A1.4.5.2 Revision level of applicable ASTM design andperformance specification.A1.4.5.3 Name and title of the person authorized to sign theMRA.A1.4.5.4 Signature of the authorized person.A1.4.5.5
39、Approval Date. The date indicated is whenAircraftOEM approval is granted for the aircraft identified in BLOCK1. When the MRAis used for different aircraft Serial Numbers,this date may be different than the date when the MRA wasoriginally created.A1.4.6 “BLOCK 5CONFORMITY STATEMENTRETURN TO SERVICE”A
40、1.4.6.1 Affidavit: “I hereby certify the repair and/or altera-tion has been completed in accordance with this MRA and allthe referenced documents. Potentially unclear procedures havebeen clarified with the Aircraft OEM. No issues were observedthat might hinder return to service.”A1.4.6.2 Include the
41、 required qualification of the mainte-nance person authorized to perform the MRA. When multiplequalifications are included, any can perform the MRA.A1.4.6.3 When “Task Specific” is required as aqualification, this may require additional training for any of theidentified qualifications. This must be
42、detailed in BLOCK7PREPARATIONA1.4.6.4 The following fields must be made available andare to be completed by the Aircraft Owner or mechanic, asapplicable, incorporating the MRA: Certificate Holders Name and Address Certificate Type and Number Date SignatureA1.4.7 “BLOCK 6AIRCRAFT CONFIGURATIONPREREQU
43、ISITES”A1.4.7.1 In cases where the MRAdepends on completion ofa previous configuration change or changes, these must beidentified here.A1.4.7.2 Affidavit: “This MRA is only valid for the aircraftidentified when the configuration conforms to the followingdefinitions. Any listed documents must be comp
44、lied with priorto conducting this MRA.”A1.4.7.3 List any preceding documents, such as MRA(s),Notification(s), Service Bulletin(s), or other documents andinformation. Include the document identification by ID,Revision, Issue Date, and Title.A1.4.8 “BLOCK 7PREPARATION”Include the following information
45、 as required:A1.4.8.1 Information on task specific training, if any (SeeBLOCK 5).A1.4.8.2 Removal of existing assemblies, subassemblies,detail parts, etc. A reference to a specific procedure(s) in theMaintenance Manual could also be provided.A1.4.8.3 Instructions for modification of the existingairf
46、rame, assemblies, subassemblies, wiring harnesses, etc.A1.4.8.4 Cleaning procedures.A1.4.8.5 Instructions for priming, painting, or the applica-tion of other special treatments that are required as preparationtasks.A1.4.8.6 Consumable and Bulk Materials list.A1.4.8.7 Other information to be added di
47、rectly, or byreference to other documents including Document Identifier,Revision level, and Issue Date.A1.4.9 “BLOCK 8ACCOMPLISHMENT INSTRUC-TIONS”Include the following information as required:A1.4.9.1 Consumable and Bulk Materials List.A1.4.9.2 Special Tools, Fixtures, or Test Equipment.A1.4.9.3 In
48、structions for installation.A1.4.9.4 Instructions for assembly.A1.4.9.5 Reference to other needed documents includingDocument Identifier, Revision level, and Issue Date.A1.4.9.6 Indication of “Yes” or “No” if a weight andbalance measurement is required following completion of alltasks.A1.4.10 “BLOCK
49、 9VERIFICATION”Include the following information as required:A1.4.10.1 Ground Procedures.A1.4.10.2 Flight Procedures.A1.4.10.3 Reference to other needed documents includingDocument Identifier, Revision level, and Issue Date.A1.4.11 “BLOCK 10ENGINEERING DATA”A1.4.11.1 Include all data required to substantiate the ac-complished change on customer side, such as: System descriptions. System schematics. Block diagrams. Wiring harness diagrams and/or local manufacture in-structions. Reference to other needed documents including Docu-ment Id
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