14 C.F.R. § 206.3
Notwithstanding the provisions of section 41101 and Chapter 415 of 49 U.S.C. Subtitle VII and part 221 of this chapter, an air carrier holding a certificate of public convenience and necessity for the transportation of only property and mail may provide transportation to persons on regularly scheduled cargo flights for the purpose of collecting data for preparation of feature news, pictorial or like articles provided that the transportation is limited to the writer, journalist, or photographer engaged in the preparation of data for use in feature news, pictorial, or like articles which are to appear in newspapers or magazines, or on radio or television programs and which will publicize the regularly scheduled cargo operations of the carrier.
14 C.F.R. §206.3