Oregon Revised Statutes Aviation § 836.095

(1) The Oregon Department of Aviation shall with reasonable dispatch grant approval of a proposed airport site if it is satisfied that the site is adequate for the proposed airport, that such proposed airport, if constructed or established, will conform to minimum standards of safety and that safe air traffic patterns could be worked out for such proposed airport and for all existing airport and approved airport sites in its vicinity. In determining whether an airport site is adequate for a proposed airport, the department shall evaluate all of the following aspects of the site:

(2) An approval of a proposed airport site may be granted under this section subject to any reasonable conditions which the department may deem necessary to effectuate the purposes of ORS 836.085 to 836.120, and shall remain in effect, unless sooner revoked by the department, until a license for an airport located on the approved site has been issued pursuant to ORS 836.105.