Title from cover.Editions for 1960 include data for United States certificated air carriers; for 1961-1973 include data for individual air carriers an...
Editions for 1960 include data for United States certificated air carriers; for 1961-1973 include data for individual air carriers and data for carrier groups.
Vols. for 1960-1973 contain comparative statistics for previous years, e.g., 1960 vol. covers 1949-1956.