Oregon Revised Statutes Shipping and Navigation § 778.015

The object, purpose and occupation of the Port of Portland shall be to promote the maritime, shipping, aviation, commercial and industrial interests of the port as by law specifically authorized. Subject to ORS 778.016, the port may acquire, hold, use, dispose of and convey real and personal property, make any and all contracts the making of which is not by this chapter expressly prohibited. It may do any other acts and things which are requisite, necessary or convenient in accomplishing the purpose described or in carrying out the powers granted to it by law. The port may supply surface and air craft with fuel and other supplies at reasonable cost as may be for the best interests of the port.