Notes on aerospace certification, tooling, and process: DO-178C, DO-254, ARP4754A, NPR 8705.2C.https://aerospacecert.io/en-ushttps://aerospacecert.io/blog/do-178c-tooling-gaps/https://aerospacecert.io/blog/do-178c-tooling-gaps/Why every cert program ends up with a 2GB Excel file, and what to do about it.Wed, 15 Apr 2026 00:00:00 GMTDO-178CtoolingprocessAeroCert