Study guide
14.2 Developing and Approving NDT Training
ASNT NDT Level III Basic Examination Exam
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1 Introduction & Exam Overview
1.1 Current Exam Facts 1.2 Level III Role and Certification Path 1.3 Eligibility, Fees, Scheduling, and Retakes 1.4 Study Strategy and Exam-Day Approach
2 Chapter 2: Materials Fundamentals for NDT
2.1 Ferrous Metals and Iron-Carbon Phases 2.2 Non-Ferrous Metals and Alloys 2.3 Mechanical Properties and Crystal Structure
3 Chapter 3: Manufacturing Processes
3.1 Casting Processes and Cast Discontinuities 3.2 Forging, Rolling, and Forming 3.3 Extrusion, Drawing, and Machining 3.4 Heat Treatment Effects
4 Chapter 4: Welding and Joining Processes
4.1 Fusion Welding Processes 4.2 Weld Metal and HAZ Discontinuities 4.3 Brazing, Soldering, and Mechanical Joining
5 Chapter 5: Discontinuity Classification
5.1 Inherent Discontinuities 5.2 Processing Discontinuities 5.3 Service Discontinuities
6 Chapter 6: Specific Discontinuity Types
6.1 Cracks and Fracture Modes 6.2 Porosity, Inclusions, and Lack of Fusion 6.3 Laminations, Seams, Laps, and Undercut 6.4 Relevant vs Non-Relevant Indications
7 Chapter 7: NDT Method Selection and Inspection Planning
7.1 Method Selection Principles 7.2 Surface vs Volumetric Methods 7.3 Inspection Planning and Flaw Expectations
8 Chapter 8: Ultrasonic and Radiographic Testing
8.1 Ultrasonic Testing Principles and Applications 8.2 UT Limitations, Calibration, and Evaluation 8.3 Radiographic Testing Principles and Applications 8.4 RT Limitations, Image Quality, and Safety Basics
9 Chapter 9: Magnetic Particle, Liquid Penetrant, and Visual Testing
9.1 Magnetic Particle Testing 9.2 Liquid Penetrant Testing 9.3 Visual Testing
10 Chapter 10: Electromagnetic, Leak, Acoustic Emission, and Infrared Testing
10.1 Electromagnetic / Eddy Current Testing 10.2 Leak Testing 10.3 Acoustic Emission Testing 10.4 Thermal / Infrared Testing
11 Chapter 11: Specialty Methods and Method Comparison
11.1 Neutron Radiography 11.2 Magnetic Flux Leakage 11.3 Method Comparison and Supplemental Examinations
12 Chapter 12: SNT-TC-1A Recommended Practice
12.1 SNT-TC-1A Overview and Written Practice 12.2 SNT-TC-1A Training and Experience 12.3 SNT-TC-1A Examinations and Recertification
13 Chapter 13: CP-189 Standard Practice
13.1 CP-189 Overview and Scope 13.2 CP-189 Mandatory Requirements 13.3 SNT-TC-1A vs CP-189 Comparison
14 Chapter 14: CP-105 and NDT Training Programs
14.1 CP-105 Purpose and Topical Outlines 14.2 Developing and Approving NDT Training 14.3 OJT, Mentoring, and Instructor Oversight
15 Chapter 15: Building and Managing Certification Programs
15.1 Building Qualification and Certification Programs 15.2 Administering Examinations and Evaluating Competency 15.3 Program Audits and Managing Certifications
16 Chapter 16: Codes, Standards, Procedures, and Quality
16.1 Interpreting Codes, Standards, and Specifications 16.2 Developing and Approving NDT Procedures 16.3 Acceptance Criteria and Quality Control 16.4 External Audits and Inspection Documentation
14.2 Developing and Approving NDT Training
Key Takeaways Explain This Topic AI
Domain 3 expects Level III personnel to develop and approve NDT training programs that match method, level, and the employer qualification system (SNT-TC-1A Written Practice or CP-189 when invoked).
Effective programs combine classroom (theory, codes, evaluation concepts) with laboratory/practical instruction (equipment, technique, process control)—hours alone without both streams are usually incomplete.
Learning objectives should be measurable and mapped to CP-105 topical outlines and program requirements so completion means defined competence, not vague attendance.
Approval authority and documentation rules live in the employer program: the Level III typically reviews and approves content, instructors, and records consistent with the Written Practice or quality system.
Refresher training is identified from performance issues, procedure/code changes, inactivity, audit findings, or program-defined intervals—not only when someone requests a certificate reprint.
Last updated: July 2026
14.2 Developing and Approving NDT Training
Quick Answer: Level III develops and approves NDT training programs so they are method- and level-correct , mapped to CP-105 topical outlines when used, balanced between classroom and lab , built on clear learning objectives , and documented under the employer Written Practice or CP-189 program. Approval is a controlled act—not an informal favor. Refresher training is triggered by risk, change, performance, or program rules.
Section 14.1 explained CP-105 as the topical backbone. This section is the management process Domain 3 tests: can you build, approve, document, and sustain training that actually prepares people for qualification examinations and reliable inspection work?
Domain 3 Mindset: Training Is a Controlled Process
On the Basic exam, treat training like any other quality process:
Inputs: method, level, candidate population, program basis, applicable outlines, procedures, safety constraints
Activities: design syllabus, select materials, assign instructors, deliver classroom/lab, assess learning, record results
Outputs: trained personnel eligible (with experience and vision as required) for examination/certification steps
Controls: approval authority, document control, attendance, assessment integrity, corrective action when training fails
A Level III who only “likes good training” without controls will fail audits. A Level III who only signs forms without reviewing content fails the technical duty.
- Step-by-Step Development Framework
- 1) Define scope and basis
Write down, before building slides:
- Method (or limited technique family if limited certification applies)
- Level (I, II, or III)
- Full method vs limited certification boundaries
- Program basis: SNT-TC-1A Written Practice language, CP-189, customer mandate, or combination
- Whether initial training, upgrade training, or refresher training is intended
Scope errors are expensive: teaching “some UT ideas” is not the same as Level II UT for weld inspection under a code-driven Written Practice.
2) Map content to topical outlines and local needs
Use CP-105 (when the program expects it—and industry practice usually does for structured NDT training) as the completeness checklist. Then add employer-specific layers:
- Product forms and manufacturing processes inspected
- Applicable procedures and technique sheets
- Acceptance criteria philosophy (without pretending Level I must invent criteria)
Safety and facility constraints (radiation areas, chemical handling, electrical, height/confined space interfaces)
Local content supplements standard topics; it does not excuse deleting core method principles or evaluation skills the level requires.
3) Balance classroom and laboratory learning
NDT is not a lecture-only craft. Strong programs deliberately allocate both:
Stream Typical purpose Examples of outcomes
Classroom / theory Principles, variables, codes/specs orientation, safety theory, evaluation concepts, math/physics as needed Explain why a variable matters; identify method limitations; read a procedure intelligently
Laboratory / practical Equipment familiarization, setup, process control, technique execution, indication observation under supervision Perform a calibrated setup per procedure; process a PT line correctly; acquire a usable UT response on a calibration standard
Common failure modes:
All classroom: candidates can talk about the method but cannot perform controlled technique.
All lab demos: candidates can push buttons without understanding variables, limitations, or evaluation logic.
Video-only with no assessment: entertainment hours masquerading as qualification training.
The exact split depends on method and level, but Basic exam reasoning favors both knowledge and skill development for personnel who will inspect real hardware.
- 4) Write learning objectives that can be checked
- Weak objective: “Understand ultrasonic testing.”
Stronger objectives (illustrative pattern):
“Given a calibration standard and procedure, set instrument controls to meet the specified reference sensitivity.”
“Identify three primary limitations of liquid penetrant testing for coated surfaces and state the related process control.”
“Classify example indications as relevant, non-relevant, or false based on method principles and given acceptance context at Level II.”
Objectives should map to outline topics and feed quizzes, labs, and later certification examinations. If you cannot assess an objective, rewrite it.
5) Select instructors, materials, and assessments
Instructor competence is not optional (expanded in 14.3). Materials must match level depth—Level I materials should not dump full Level III procedure-writing theory as if it were production instruction, and Level II materials must not stop at “follow the green button.”
Assessments can include written checks, practical demonstrations, or both, consistent with program rules. Training assessment is not always identical to the certification general/specific/practical exams, but weak training assessment predicts weak certification results.
6) Document the program package
A defensible training package usually includes:
- Syllabus/outline mapped to method and level (and CP-105 topics as applicable)
- Duration and schedule (classroom vs lab)
- Instructor identity/qualifications summary
- Training materials revision control
- Attendance records
- Assessment results where used
- Completion evidence retained per Written Practice/quality system retention rules
Linkage statement: how this course satisfies the program’s training requirement for a defined method/level (or limited scope)
If it is not documented, auditors treat it as not done—or not proveable, which is operationally the same problem.
Approving Training: Who Signs and What Approval Means
Under an employer-based program , the Written Practice (SNT-TC-1A style) or the CP-189 quality system defines who may develop, review, and approve training. In practice and on Basic exam items, the NDT Level III is the technical owner who:
- Approves course content and revisions
- Approves instructor assignment or instructor criteria
- Accepts external/vendor training for credit only after content and documentation review
- Rejects incomplete or off-method training even if “hours look good”
- Ensures training remains aligned after procedure or code updates
Approval is a technical quality decision , not a courtesy signature. Signing without review creates personal and organizational risk.
Who does not magically approve training by title alone? A production supervisor with no NDT Level III authority under the program cannot invent certification credit. Human Resources can track records; it does not define method technical content. A salesperson’s certificate of attendance is not automatic Level II qualification.
Refresher Training: When and Why
Initial training is not a lifetime immunity. Level III personnel should identify refresher needs when:
Performance problems appear (high reject rates on practical exams, recurring procedure noncompliance, customer complaints tied to inspection quality)
- Procedures, codes, or equipment change in ways that alter technique or evaluation
- Inactivity or assignment gaps leave skills stale (program may define intervals or triggers)
- Audit findings show knowledge/skill drift
- Method expansion or return from limited scope to broader scope requires more than a rubber stamp
- Incident investigations show training as a root or contributing cause
Refresher design should target the gap: a code change may need a short classroom update; a technique skill loss may need supervised lab time. Blanked “repeat the whole Level I course” is sometimes necessary, sometimes wasteful—diagnose first.
- High-Yield Traps for This Section
- Equating hours with competence without content, assessment, or documentation
- Approving vendor courses based only on a logo and a claimed duration
- Writing objectives so vague they cannot fail (and therefore cannot prove learning)
- Skipping laboratory practice for methods that are technique-dependent
- Ignoring refresher triggers until a major nonconformance forces crisis training
Confusing training approval with final certification —training is necessary input, not the whole chain (experience, exams, vision still apply)
Worked Mini-Scenario
A fabricator invokes SNT-TC-1A. The Written Practice requires documented training for PT Level II before examination. A candidate presents a two-day vendor certificate titled “Penetrant Awareness.” The Level III maps the certificate agenda to CP-105 PT Level II topics and finds only product overview and one demonstration, with no evaluation practice, no process-control depth, and no assessment. Correct action: do not approve as meeting Level II training without additional structured instruction covering the missing topics and proper documentation. The candidate may still be a strong hire—but the program integrity comes first.
Next section covers OJT, mentoring, and instructor oversight —how supervised workplace learning and teaching quality extend the formal training program without turning “watch Joe for a week” into uncontrolled pseudo-qualification.