And my own view is that any American convention would in fact enjoy plenary authority, at least with regard to proposals. (blog.politics.ox.ac.uk)
As the ANSP, the agency manages the National Airspace System (NAS), operationally carrying out the FAA's plenary authority over the country's airspace. (transportation.gov)
«Congress has plenary authority in all cases in which it has substantive legislative jurisdiction, McCulloch v. Maryland, 4 Wheat. (supreme.justia.com)