Lion NDT Blog

August 16, 2026

What Is NADCAP Accreditation, and How Do You Prepare?

A plain-language look at what NADCAP accreditation covers, why aerospace primes require it, and the steps to prepare for your first audit.

August 16, 2026

NDT Level III Sign-Off: What Repair Stations Need to Know

Why Level III oversight matters for FAA-certificated repair stations, and how on-demand Level III support compares to a full-time hire.

August 16, 2026

Choosing the Right NDT Method: UT, MT, PT, ET, and VT Compared

A practical comparison of Ultrasonic, Magnetic Particle, Liquid Penetrant, Eddy Current, and Visual Testing — and how to decide which one fits your material, defect type, and application.

August 16, 2026

AWS D1.1 vs. D17.1: Which Welding Code Applies to Your Project?

Structural steel and aerospace welds are governed by different AWS codes with very different acceptance criteria. Here's how to tell which one applies — and why it matters.

August 16, 2026

AS9100 vs. ISO 9001: What Aerospace Suppliers Need to Know

AS9100 is built on ISO 9001, but the aerospace-specific requirements it adds are exactly what separates a general quality system from one that satisfies aerospace primes and OEMs.

August 16, 2026

Quality Assurance Beyond Aerospace: QMS and Welding Quality for Marine, Construction, and Transportation

Aerospace gets most of the attention in quality management, but marine, construction, and transportation organizations rely on the same gap-assessment and continuous-improvement discipline — just under different standards.