Ind. Code § 8-21-9-34
(a) In the event that there is in existence or is later created a regional plan commission having jurisdiction over any portion of the airport site purchased or otherwise controlled by the department:
(b) The regional plan commission shall review proposals described in subsection (a)(2) and give consideration to aircraft safety, public safety, and regional plans relating to the aircraft vicinity. If the regional plan commission does not return its comments to the appropriate public body within thirty (30) days, the public body may proceed on the basis that the regional plan commission concurs with the proposals. Comment made by the regional plan commission shall be considered to be of an advisory nature only.
Formerly: Acts 1971, P.L.105, SEC.2. As amended by Acts 1980, P.L.74, SEC.363; P.L.3-1989, SEC.70; P.L.18-1990, SEC.163.