(a) Nothing in this chapter shall prohibit common carriers by aircraft, under such terms and conditions as the Arkansas Department of Transportation may prescribe, from issuing or interchanging tickets or passes for free or reduced-rate transportation to:
(1) Their directors, officers, and employees and their immediate families;
(2) Witnesses and attorneys attending any legal investigation in which the carrier is interested;
(3) Persons injured in aircraft accidents and physicians and nurses attending such persons; and
(4) Any person or property with the object of providing relief in cases of general epidemic, pestilence, or other calamitous visitation.
(b) The members of the department and its employees when in the performance of their official duties under this chapter shall have the right to pass free of charge on all common carriers by aircraft as defined in this chapter.
(c) No such carrier shall provide free or reduced-rate transportation to any other persons or under any other circumstances.