92 Ill. Adm. Code 14.600
Airport Classification
Section 14.600 Airport Classification
Airports designated as seaplane bases or landing areas for
seaplanes, or for non-conventional types of aircraft such as lighter-than-air
aircraft or balloons shall be classified as public-use or private-use. The
minimum standards for the establishment, management or operation of airports
for non-conventional aircraft shall be in accordance with this Subpart F,
including the minimum dimensional standards as shown in Section 14.Appendix C,
Illustration A.