ASTM F3245-2017 Standard Guide for Aircraft Electronics Technician Personal Certification《飞机电子技术员个人认证的标准指南》.pdf

1、Designation: F3245 17Standard Guide forAircraft Electronics Technician Personal Certification1This standard is issued under the fixed designation F3245; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revision. A n

2、umber in parentheses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.1. Scope1.1 The purpose of this guide is to address the basicfundamental subject knowledge, task performance, and taskknowledge activities and funct

3、ions for avionics professionalsto be titled Aircraft Electronics Technicians (AETs).1.2 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 and health practices and

4、 determine the applica-bility of regulatory limitations prior to use.2. Referenced Documents2.1 ASTM Standards:2F3060 Terminology for Aircraft2.2 FAA Standards:3FAA AC43.13-1B Acceptable Methods, Techniques, andPractices Aircraft Inspection and Repair (with Change1)FAA AC43.13-2B Acceptable Methods,

5、 Techniques, andPractices Aircraft AlterationsFAA Federal Aviation Regulations for Aviation Mainte-nance TechniciansFAA-H-8083-30 Aviation Maintenance Technician Hand-book GeneralFAA-H-8083-30 Aviation Maintenance Technician Hand-book Airframe Volume 1FAA-H-8083-30 Aviation Maintenance Technician Ha

6、nd-book Airframe Volume 23. Terminology3.1 See Terminology F3060.3.2 See Table 1 for task and knowledge definitions relatingto the education requirements for Aircraft Electronics Techni-cian (AET) professionals.3.3 Explanations for Task Knowledge and Subject Knowl-edge Levels:3.3.1 A task knowledge

7、scale value may be used alone orwith a task performance scale value to define a level ofknowledge for a specific task. (Example: b and 1b)3.3.2 A subject knowledge scale value is used alone todefine a level of knowledge for a subject not directly related toany specific task, or for a subject common

8、to several tasks.4. Significance and Use4.1 The guide is intended to be used to assess competenciesof qualified individuals who wish to become certified as anAircraft Electronics Technician through a certification pro-gram.4.2 The guide is intended to be used in concert with acertification providers

9、 structure and materials formanagement, exam delivery, and candidate preparation.5. Test Knowledge Requirements5.1 The following subject, performance, and task knowl-edge areas shall be assessed by levels (referenced in Table 1)ofcompetency in the exam items.5.2 Introductory and General Requirements

10、:5.2.1 Direct Current (DC) Basic TermsKnows and canidentify the relationship of basic facts and state generalprinciples about “Direct Current.” The following is a minimumlist of terms associated with this subject. (ref. Table 1, Level B)5.2.1.1 Ampere,5.2.1.2 Battery,5.2.1.3 Capacitor,5.2.1.4 Conduc

11、tor,5.2.1.5 Coulomb,5.2.1.6 Current,5.2.1.7 Direct Current,5.2.1.8 Electron,5.2.1.9 EMF,5.2.1.10 Farad,5.2.1.11 Henry,5.2.1.12 Inductor,5.2.1.13 Insulator,1This guide is under the jurisdiction of ASTM Committee F46 on AerospacePersonnel and is the direct responsibility of Subcommittee F46.02 on Avio

12、nics andInformation Technology Endorsements.Current edition approved March 1, 2017. Published March 2017. DOI: 10.1520/F3245-17.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume informatio

13、n, refer to the standards Document Summary page onthe ASTM website.3Available from Federal Aviation Administration (FAA), 800 IndependenceAve., SW, Washington, DC 20591, http:/www.faa.gov.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United State

14、sThis 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 Trad

15、e (TBT) Committee.15.2.1.14 Left-Hand Rule,5.2.1.15 Magnetic Permeability,5.2.1.16 Magnetism,5.2.1.17 Metric Prefixes,5.2.1.18 Neutron,5.2.1.19 Ohm,5.2.1.20 Proton,5.2.1.21 Resistance,5.2.1.22 Scientific Notation,5.2.1.23 Static Electricity,5.2.1.24 Volt, and5.2.1.25 Watts.5.2.2 Alternating Current

16、(AC) Basic TermsKnows andcan identify the relationship of basic facts and state generalprinciples about “Alternative Current.” The following is aminimum list of terms associated with this subject. (ref. Table1, Level B)5.2.2.1 Alternating Current,5.2.2.2 Apparent Power,5.2.2.3 Capacitive Reactance,5

17、.2.2.4 Delta Wound,5.2.2.5 Effective Voltage,5.2.2.6 Frequency,5.2.2.7 Impedance,5.2.2.8 Inductive Reactance,5.2.2.9 Phase,5.2.2.10 Polyphase,5.2.2.11 Power Factor,5.2.2.12 Rectifier,5.2.2.13 Resistance,5.2.2.14 RMS,5.2.2.15 Sine Wave,5.2.2.16 True Power, and5.2.2.17 Wye Wound.5.2.3 Basic Circuit Th

18、eory of OperationKnows and canidentify the relationship of basic facts and state generalprinciples about “Basic Circuit Theory of Operation.” Thefollowing is a minimum list of terms associated with thissubject. (ref. Table 1, Level B)5.2.3.1 Amps,5.2.3.2 Bridge Circuits,5.2.3.3 Complex Circuits,5.2.

19、3.4 Joules,5.2.3.5 Kirchhoffs Law,5.2.3.6 Ohms Law,5.2.3.7 Parallel Circuits,5.2.3.8 Power,5.2.3.9 Resistance,5.2.3.10 Resistors in Parallel Circuits,5.2.3.11 Resistors in Series Circuits,5.2.3.12 Series Circuits,5.2.3.13 Voltage Drop,5.2.3.14 Volts, and5.2.3.15 Watts.5.2.4 Basic Circuit Troubleshoo

20、tingPartially proficient inthe performance task of “Basic Circuit Troubleshooting.” Ableto do most parts of the task and will need help only on thehardest parts. Know the task procedures, and can determine thestep-by-step procedures for doing the task. The following is aminimum list of terms associa

21、ted with the task. (ref. Table 1,Level 2b)5.2.4.1 Troubleshooting Theory,5.2.4.2 Basic Circuits,5.2.4.3 Complex Circuit Voltage Drop,5.2.4.4 Kirchhoffs Law,5.2.4.5 Parallel Circuit,5.2.4.6 Resistors in Parallel Circuits,5.2.4.7 Resistors in Series Circuits, and5.2.4.8 Series Circuit.5.2.5 Basic Circ

22、uit CalculationsKnows and can identifythe relationship of basic facts and state general principles about“Basic Circuit Calculations.” The following is a minimum listof terms associated with this subject. (ref. Table 1, Level B)5.2.5.1 Alternating Current AC,(1) Apparent Power(2) Capacitance,(3) Capa

23、citive Reactance,(4) Effective (working) Voltage,(5) Frequency,(6) Impedance,(7) Inductance,(8) Inductive Reactance,(9) Peak Voltage,(10) Period,(11) Phase Angle,(12) Power Factor,(13) Resonance, and(14) True Power.5.2.5.2 Direct Current DC(1) Amps,TABLE 1 Task and Knowledge LevelsScale Value Defini

24、tion: The IndividualTask Performance Levels1 IS LIMITED. (Can do simple parts of the task. Needs to be told or shown how to do most of the task)2 IS PARTIALLY PROFICIENT. (Can do most parts of the task. Needs only help on hardest parts.)3 IS COMPETENT. (Can do all parts of the task. Needs only a spo

25、t check of completed work.)4 IS PROFICIENT. (Can do the complete task quickly and accurately. Can tell or show others how to do the task.)Task Knowledge Levelsa KNOWS NOMENCLATURE. (Can name parts, tools, and simple facts about the task.)b KNOWS PROCEDURES. (Can determine step-by-step procedures for

26、 doing the task.)c KNOWS OPERATING PRINCIPLES. (Can identify why and when the task must be done and why each step is needed.)d KNOWS ADVANCED THEORY. (Can predict, isolate, and resolve problems about the task.)Subject Knowledge LevelsA KNOWS FACTS. (Can identify basic facts and terms about the subje

27、ct.)B KNOWS PRINCIPLE. (Can identify relationship of basic facts and state general principles about the subject.)C KNOWS ANALYSIS. (Can analyze facts and principles and draw conclusions about the subject.)D KNOWS EVALUATION. (Can evaluate conditions and make proper decisions about the subject.)F3245

28、 172(2) Ohms,(3) Volts, and(4) Watts.5.2.6 DC / AC Basic Circuit MeasurementsPartially pro-ficient in the performance task of “DC / AC Basic CircuitMeasurements.”Able to do most parts of the task and will needhelp only on the hardest parts. Know the task procedures, andcan determine the step-by-step

29、 procedures for doing the task.The following is a minimum list of terms associated with thistask. (ref. Table 1, Level 2b)5.2.6.1 Ammeters,5.2.6.2 Ohmmeters,5.2.6.3 Oscilloscopes, and5.2.6.4 Voltmeters.5.2.7 Resistor / Theory of OperationKnows and canidentify the relationship of basic facts and stat

30、e generalprinciples related to (ref. Table 1, Level B):5.2.7.1 Theory of operation,5.2.7.2 Construction, and5.2.7.3 The use of color codes to identify resistor/resistancevalues.5.2.8 Resistor / Fault IsolationPartially proficient in theperformance task of “Resistor / Fault Isolation.” Able to domost

31、 parts of the task and will need help only on the hardestparts. Know the task procedures, and can determine thestep-by-step procedures for doing the task. The following is aminimum list of terms associated with this task. (ref. Table 1,Level 2b)5.2.8.1 Improperly Installed Resistors,5.2.8.2 Open Res

32、istors,5.2.8.3 Resistors of Incorrect Value, and5.2.8.4 Shorted Resistors.5.2.9 InductorsKnows and can identify the relationship ofbasic facts and state general principles about “Inductors.” Thefollowing is a minimum list of terms associated with thissubject. (ref. Table 1, Level B)5.2.9.1 Theory of

33、 Operation,5.2.9.2 Calculation of Inductive Reactance,5.2.9.3 Correct Operation of Inductors (coils), and5.2.9.4 Use of Multiple Inductors.5.2.9.5 Isolate Faulty InductorsPartially proficient in theperformance task of “Resistor / Fault Isolation.” Able to domost parts of the task and will need help

34、only on the hardestparts. Know the task procedures, and can determine thestep-by-step procedures for doing the task. The following is aminimum list of terms associated with this task. (ref. Table 1,Level 2b)5.2.9.6 Improperly Installed Inductors,5.2.9.7 Open Inductors, and5.2.9.8 Shorted inductors.5

35、.2.10 Capacitor / Theory of OperationKnows and canidentify the relationship of basic facts and state generalprinciples about “Capacitor Theory of Operation.” The follow-ing is a minimum list of terms associated with this subject. (ref.Table 1, Level B)5.2.10.1 Calculation of Capacitive Reactance,5.2

36、.10.2 Operation of Capacitors,5.2.10.3 Dielectric,5.2.10.4 Electrolytic,5.2.10.5 Farad,5.2.10.6 Fixed Capacitors,5.2.10.7 Time Constants,5.2.10.8 Use of multiple Capacitors, and5.2.10.9 Variable Capacitors.5.2.11 Capacitor / Fault IsolationPartially proficient inthe performance task of “Capacitor /

37、Fault Isolation.” Able todo most parts of the task and will need help only on the hardestparts. Know the task procedures, and can determine thestep-by-step procedures for doing the task. The following is aminimum list of terms associated with this task. (ref. Table 1,Level 2b)5.2.11.1 Improperly Ins

38、talled Capacitors,5.2.11.2 Open Capacitors, and5.2.11.3 Shorted Capacitors.5.2.12 Transformer / Theory of OperationKnows and canidentify the relationship of basic facts and state generalprinciples about “Transformer Theory of Operation.” Thefollowing is a minimum list of terms associated with thissu

39、bject. (ref. Table 1, Level B)5.2.12.1 Counter EMF,5.2.12.2 Eddy Currents,5.2.12.3 Hysteresis, and5.2.12.4 Primary Winding.5.2.13 Transformer / Fault IsolationPartially proficient inthe performance task of “Transformer / Fault Isolation.” Ableto do most parts of the task and will need help only on t

40、hehardest parts. Know the task procedures, and can determine thestep-by-step procedures for doing the task. The following is aminimum list of terms associated with this task. (ref. Table 1,Level 2b)5.2.13.1 Improperly Installed Transformers,5.2.13.2 Open or Shorted Primary Coil,5.2.13.3 Primary and

41、Secondary Resistance Testing, and5.2.13.4 Secondary Coil.5.2.14 Analog Circuits, Devices, and SwitchesKnows andcan identify the relationship of basic facts and state generalprinciples about “Analog Circuits, Devices, and Switches.”The following is a minimum list of terms associated with thissubject.

42、 (ref. Table 1, Level B)5.2.14.1 Derating Factor,5.2.14.2 DPDT,5.2.14.3 DPST,5.2.14.4 Micro Switch,5.2.14.5 Normally Closed (contacts),5.2.14.6 Normally Open (contacts),5.2.14.7 Proximity Switches,5.2.14.8 Push Button Switches,5.2.14.9 Relays,5.2.14.10 Rocker,5.2.14.11 Rotary,5.2.14.12 Solenoids,5.2

43、.14.13 SPDT,5.2.14.14 Switches, and5.2.14.15 Toggle.5.2.15 Power Supply Circuit / RectifiersKnows and canidentify the relationship of basic facts and state generalF3245 173principles about “Power Supply Circuit / Rectifiers.” Thefollowing is a minimum list of terms associated with thissubject. (ref.

44、 Table 1, Level B)5.2.15.1 Diode,5.2.15.2 Forward Bias,5.2.15.3 Full-Wave Rectifier,5.2.15.4 Germanium,5.2.15.5 Half-Wave Rectifier,5.2.15.6 Reverse Bias,5.2.15.7 Ripple Amplitude,5.2.15.8 Silicon,5.2.15.9 Solid-State,5.2.15.10 Three Phase Rectifier,5.2.15.11 Switching Regulators (voltage converter)

45、,5.2.15.12 Types and Components used, and5.2.15.13 Use of Power Supply Circuits.5.2.16 Power Supply Circuit / FiltersCan identify basicfacts and terminology about “Power Supply Circuit / Filters.”The following is a minimum list of terms associated with thissubject. (ref. Table 1, Level A)5.2.16.1 Ac

46、tive Filters, and5.2.16.2 Passive Filters.5.2.17 Frequency Sensitive Filter Theory of OperationCan identify basic facts and terminology about “FrequencySensitive Filter Theory of Operation.” The following is aminimum list of terms associated with this subject. (ref. Table1, Level A)5.2.17.1 Band-Pas

47、s,5.2.17.2 Band-Reject,5.2.17.3 Cutoff Frequency,5.2.17.4 Demodulation,5.2.17.5 Detection,5.2.17.6 Filtering,5.2.17.7 High-Pass,5.2.17.8 Low-Pass,5.2.17.9 Tuning Circuit, and5.2.17.10 Use of Crystals.5.2.18 Wave Generation CircuitsCan identify basic factsand terminology about “Wave Generation Circui

48、ts.” The fol-lowing is a minimum list of terms associated with this subject.(ref. Table 1, Level A)5.2.18.1 Oscillators:(1) Crystal-Controlled Oscillators,(2) Hartley Oscillator,(3) LC Tank,(4) Oscillators, and(5) Regenerative Feedback Path.5.2.18.2 Waveshaping Circuits:(1) A-stable Multivibrator,(2

49、) Bi-stable Multivibrator,(3) Crystal-Controlled Oscillators,(4) LC Tank,(5) Mono-stable Multivibrator, and(6) Oscillator.5.2.19 Limiter CircuitsKnows and can identify the rela-tionship of basic facts and state general principles about“Limiter Circuits.” The following is a minimum list of termsassociated with this subject. (ref. Table 1, Level B)5.2.19.1 Diodes:(1) Forward Bias,(2) Proper use and Installation,(3) Reverse Bias, and(4) Schematic Diagram Symbol.5.2.19.2 Zener Diodes:(1) Proper use and Installation, and(2) Schematic Diagram Symbol.