Before revision: While DO-254/ED-80 has not been updated, this Position Paper is no longer provided on the FAA website as the "model for certification authority harmonization has changed since CAST's inception and now includes direct collaboration with industry on technical topics."
After revision: While DO-254/ED-80 hbecause not been updated, this Position Paper is no longer provided on the FAA website as the "model for certification authority harmonization has changed since CAST's inception and now includes direct collaboration with industry on technical topics."