It is included in the National Plan of Integrated Airport Systems for 2011-2015, which categorized it as a general aviation airport (since it had fewer than 2,500 enplanements in 2008).
According to the FAA's National Plan of Integrated Airport Systems for 2009-2013, it is categorized as a general aviation airport.
It is included in the National Plan of Integrated Airport Systems for 2011-2015, which categorized it as a general aviation airport (the commercial service category requires at least 2,500 enplanements per year).
It is included in the National Plan of Integrated Airport Systems for 2011-2015, which categorized it as a general aviation airport based on enplanements in 2008 (less than 2,500 per year), however it qualifies as a non-primary commercial service airport based on yearly enplanements in 2009 and 2010.
According to the FAA's National Plan of Integrated Airport Systems for 2007-2011, Clinton County was categorized as a general aviation airport because the commercial service category required at least 2,500 passenger boardings per year.
This is included in the National Plan of Integrated Airport Systems for 2011-2015, which categorized it as a general aviation reliever airport.