Reference Piece Calibration in Composite Aircraft Panels- A Practical Guide

https://welding-quality-insights.lucialpiazzale.com/a-practical-guide-to-flaw-direction-review-for-turbine-parts

Reference Piece Calibration in Composite Aircraft Panels: A Practical Guide Large panels can require wide C-scan maps and reliable part coordinates. A known reference piece helps confirm that the inspection setup can respond as planned