Title varies slightly: Air carrier industry scheduled service traffic statistics quarterly <3rd quarter, 1985->
Washington, D.C. : U.S. Dept. of Transportation, 1981-
June 30, 1981-
Vols. for 1981 prepared by: U.S. Civil Aeronautics Board, Financial Data Section, Data Systems Management Division; 1982-June 1984 by: Financial Data Section, Information Management Division; Sept. 1984-19 by: U.S. Dept. of Transportation, Financial Data Branch, Data Administration Division; <Sept. 1990>-199 by: U.S. Dept. of Transportation, Research and Special Programs Administration, Office of Airline Statistics; <June 1995-> by: U.S. Dept. of Transportation, Bureau of Transportation Statistics, Office of Airline Information.
Vols. for <Sept. 1985-> called: 3rd quarter and 12 months ended Sept. 1984 and 1985- ; June 1990- have years reversed (e.g., 2nd quarter and 12 months ended June 1990 and 1989).
American statistics index ISSN 0091-1658
Microfiche. <1988-> [Washington, D.C.] : Supt. of Docs., U.S. G.P.O. microfiches : negative.
Previously classed: TD 10.9/2: Paper copies available from: Center for Transportation Information, DTS-44, DOT/Volpe National Transportation Systems Center, Kendall Square, Cambridge, MA 02142. Title from cover. Imprint varies: Cambridge, MA, <3rd quarter and 12 months ended Sept. 1984 and 1985>-198 ; Washington, DC, <4th quarter and 12 months ended Dec. 1987 and 1988->