Articles

Notes from the field.

Guides on NDT certification, standards and access, first published on our old blog and reviewed for accuracy in September 2026.

  • Aerospace

    Batman vs Superman: Superhero Aerodynamics and Safety

    Swept wings, winglets and steel-toe boots: a look at superhero flight and safety through the eyes of an NDT technician.

    By Eric Nordstrom · March 11, 2016
    In memory of Eric Nordstrom
  • Careers

    NDT Certification After Your Military Career: A Guide

    Why your military NDT certification ends when you separate, how SNT-TC-1A, NAS410 and ISO 9712 certification work, and what to gather before you leave.

    Published December 11, 2015 · Reviewed September 2026
  • Nondestructive Testing

    Rope Access

    What rope access is, why it matters for inspection work, and how SPRAT certification levels, hours and validity work today.

    Published November 13, 2015 · Reviewed September 2026
  • Standards

    NAS410: What Changed in the Current Revision

    NAS410 Revision 6 adds a basic exam and a credit-based route to Level 3, and updates vision, reinstatement and education rules. Here is what that means for your program.

    Published August 31, 2015 · Reviewed September 2026