Ind. Code § 8-21-10-2
As used in this chapter:
"Department" refers to the Indiana department of transportation.
"Noise sensitive purpose" means the use of a building or structure as a residence, school, church, child care facility, medical facility, retirement home, or nursing home.
"Permit" means a permit issued by the department under this chapter.
"Person" means any individual, firm, partnership, corporation, company, limited liability company, association, joint stock association, or body politic, including any trustee, receiver, assignee, or other similar representative.
"Public-use airport" means any area, site, or location, either on land, water, or upon any building, which is specifically adapted and maintained for the landing and taking off of aircraft, and utilized or to be utilized in the interest of the public for such purposes. The term does not include:
"Structure" means any object constructed or installed by man including, but not limited to, cranes, buildings, towers, smokestacks, electronic transmission or receiving towers, buildings used for a noise sensitive purpose, and antennae and overhead transmission lines.
IC 8-21-10-2