ASTM F3639-23

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: F3639 − 23
Standard Guide for
Automatic Flight Control System Technician
This standard is issued under the fixed designation F3639; 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 FAA Federal Aviation Regulations for Aviation Maintenance
Technicians
1.1 The purpose of this guide is to address the fundamental
FAA-H-8083-30A Aviation Maintenance Technician Hand-
subject knowledge activities and functions for avionics profes-
book – General, 2018
sionals to be titled Automatic Flight Control System (AFCS)
FAA-H-8083-31 Aviation Maintenance Technician Hand-
Technician.
book – Airframe Volume 1, 2012
1.2 This guide is the basis for the Automatic Flight Control
FAA-H-8083-31 Aviation Maintenance Technician Hand-
System Technician (AFCS) certification, an endorsement to the
book – Airframe Volume 2, 2012
Aircraft Electronics Technician (AET) certification. Candidates
must be a certified AET to take the certification exam associ-
3. Terminology
ated with this guide.
3.1 See Terminology F3060.
1.3 This standard does not purport to address all of the
3.2 See Guide F3245, Section 6 Core Competencies –
safety concerns, if any, associated with its use. It is the
Common Maintenance Practices, Fundamentals of On-
responsibility of the user of this standard to establish appro-
Equipment Maintenance and Aircraft Fundamentals.
priate safety, health, and environmental practices and deter-
mine the applicability of regulatory limitations prior to use. 3.3 See Table 1 for knowledge level definitions relating to
1.4 This international standard was developed in accor-
the education requirements for Automatic Flight Control Sys-
dance with internationally recognized principles on standard- tem (AFCS) technicians.
ization established in the Decision on Principles for the
Development of International Standards, Guides and Recom- 4. Significance and Use
mendations issued by the World Trade Organization Technical
4.1 The guide is intended to be used to assess competencies
Barriers to Trade (TBT) Committee.
of qualified individuals who wish to become certified as an
Automatic Flight Control System technician through a program
2. Referenced Documents
such as the National Center for Aerospace and Transportation
2.1 ASTM Standards:
Technologies (NCATT).
F3060 Terminology for Aircraft
4.2 The guide is intended to be used in concert with a
F3245 Guide for Aircraft Electronics Technician Personnel
certification provider’s structure and materials for
Certification
3 management, exam delivery, and candidate preparation.
2.2 FAA Standards:
FAA AC43.13-1B Acceptable Methods, Techniques, and
5. Test Knowledge Requirements
Practices – Aircraft Inspection and Repair (with Change
1), 1998 5.1 The following subject knowledge areas shall be assessed
by levels (referenced in Table 1) of competency in the exam
FAA AC43.13-2B Acceptable Methods, Techniques, and
items.
Practices – Aircraft Alterations, 2008
5.2 Risk Management—Level 2 can determine and apply the
1 following:
This guide is under the jurisdiction of ASTM Committee F46 on Aerospace
Personnel and is the direct responsibility of Subcommittee F46.02 on Avionics and
5.2.1 Safety—Can identify and apply the safety practices in
Information Technology Endorsements.
the workplace in accordance with applicable standards and
Current edition approved April 1, 2023. Published June 2023. DOI: 10.1520/
practices.
F3639-23.
5.2.1.1 Reference AET standard for safety.
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
5.2.1.2 Maintenance Considerations—Can describe proper
Standards volume information, refer to the standard’s Document Summary page on
use and provide simple examples of safe practices when
the ASTM website.
associated with the operational considerations (circuit breaker
Available from Federal Aviation Administration (FAA), 800 Independence
Ave., SW, Washington, DC 20591, http://www.faa.gov. lockout and identifying collars, control locks, control pins and
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
F3639 − 23
TABLE 1 Definition: Knowledge Levels
Knowledge
Levels
LEVEL 1 A familiarization with the principal elements of the subject.
Objectives:
• The applicant should be familiar with the basic elements of the subject.
• The applicant should be able to give a simple description of the whole subject, using common words and examples.
• The applicant should be able to use typical terms.
LEVEL 2 A general knowledge of the theoretical and practical aspects of the subject.
An ability to apply that knowledge.
Objectives:
• The applicant should be able to understand the theoretical fundamentals of the subject.
• The applicant should be able to give a general description of the subject using, as appropriate, typical examples.
• The applicant should be able to use mathematical formulae in conjunction with physical laws describing the subject.
• The applicant should be able to read and understand sketches, drawings and schematics describing the subject.
• The applicant should be able to apply knowledge in a practical manner using detailed procedures.
LEVEL 3 A detailed knowledge of the theoretical and practical aspects of the subject.
A capacity to combine and apply the separate elements of knowledge in a logical and comprehensive manner.
Objectives:
• The applicant should know the theory of the subject and interrelationships with other subjects.
• The applicant should be able to give a detailed description of the subject using theoretical fundamentals and specific examples.
• The applicant should understand and be able to use mathematical formulae related to the subject.
• The applicant should be able to read, understand and prepare sketches, simple drawings and schematics describing the subject.
• The applicant should be able to apply knowledge in a practical manner using manufacturer’s instructions.
• The applicant should be able to interpret results from various sources and measurements and apply corrective
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