Civil aviation expo tracks China's fast but safe flight trajectory

He also explained how the center was involved in the complex certification process for the C919 — China's indigenously developed large passenger jet.

"The airworthiness certification process for the C919 involved comprehensive system-level assessments, including avionics, flight control, structural integrity, and more," he said. "Every detail had to meet rigorous international safety standards."

According to Hou, certifying a jet like the C919 is not just about technical evaluation but also about risk identification and validation methods that adapt to innovation and evolving technologies.