NDT Level III Services
ASNT Level III NDT Consultant & Technical Oversight
NANTIA provides qualified ASNT Level III services across all major NDT methods. From procedure approval and written practice support to audit preparation and certifying authority functions - Level III oversight you can depend on.
What NDT Level III Services Include
- NDT procedure development, review, and approval
- Written practice development and management
- Audit and surveillance support
- Examiner and certifying authority functions
- Technical oversight across all major NDT methods
- Training pathway governance for Level I and II personnel
- Standards interpretation and compliance guidance
Why Level III NDT Services Matter
Level III is the highest level of NDT personnel qualification under ASNT SNT-TC-1A. A qualified Level III NDT consultant is responsible for the technical content and adequacy of NDT procedures, the training and examination of Level I and II personnel, and the interpretation of codes and standards.
For many defence programs, independent Level III oversight is not optional - it is a contractual and quality requirement. NANTIA provides this expertise across both US and Australian defence programs.
Level III NDT Consulting Use Cases
Practical scenarios where NANTIA's Level III NDT services add value.
Supplier Onboarding
Review and approve NDT procedures and written practices as part of new supplier qualification for defence programs.
Internal Program Assurance
Independent Level III review for ongoing programs ensuring NDT procedure adequacy, personnel qualification, and training compliance.
External Audit Preparation
Prepare for customer, NAVSEA, or third-party NDT audits by verifying that all documentation, procedures, and personnel records are defensible.
Training Pathway Governance
Design and oversee Level I/II NDT training, examination, and certification pathways aligned to SNT-TC-1A and NAVSEA requirements.
NDT Methods Covered by Level III Services
NANTIA provides Level III NDT consulting across the full range of methods relevant to defence and industrial applications:
RT
Radiographic Testing - Level III oversight for film and digital radiography
UT
Ultrasonic Testing - Level III oversight including Phased Array UT (PAUT)
MT
Magnetic Particle Testing - Level III oversight for surface and near-surface inspection
PT
Liquid Penetrant Testing - Level III oversight for surface-breaking discontinuity detection
ET
Eddy Current Testing - Level III oversight for electromagnetic inspection methods
VT
Visual Testing - Level III oversight for direct and remote visual examination
Related NDT Services
NDT Consulting
Expert NDT consulting for defence, maritime, and industrial programs. Standards translation, gap analysis, implementation support, and compliance guidance.
Learn more →Inspection Services
Quality-managed NDT inspection under controlled quality systems. Supplier verification, in-process inspection, and defensible documentation for US and Australian programs.
Learn more →NDT Training
Structured non-destructive testing training aligned to SNT-TC-1A, NAVSEA, and ISO 9712. Face-to-face, online LMS, and VR simulation pathways for entry-level through to advanced qualification.
Learn more →Maritime & Naval NDT
NDT services and training purpose-built for naval shipbuilding, submarine maintenance, and maritime defence programs across both US and Australian fleets.
Learn more →NDT Level III Services - Frequently Asked Questions
What are NDT Level III services?
Level III is the highest level of NDT personnel qualification under ASNT SNT-TC-1A. A qualified Level III is responsible for procedure approval, written practice development, training and examination of Level I and II personnel, interpretation of codes and standards, and technical oversight of NDT operations.
Does NANTIA provide Level III NDT consulting?
Yes. NANTIA provides qualified ASNT Level III consulting services across all major NDT methods (UT, RT, MT, PT, ET, VT) for defence, maritime, and industrial programs in both the US and Australia.
Why do defence programs need Level III oversight?
For many defence programs, independent Level III oversight is a contractual and quality requirement. Level III ensures that NDT procedures are technically adequate, personnel are properly qualified, and documentation is defensible under audit.