Both the Appleton International Airport and the Pellston Regional Airport are categorized as what by the Federal Aviation Administration (FAA) National Plan of Integrated Airport Systems for 2017–2021?
Appleton International Airport:  It is included in the Federal Aviation Administration (FAA) National Plan of Integrated Airport Systems for 2017–2021, in which it is categorized as a non-hub primary commercial service facility.
i don't know