The Delegates to the 5th International Conference of American States held at Santiago Chile, from 25 March to 3 May 1923, adopted a resolution providing for the creation of an Inter-American Commercial Aviation Commission to meet at a place and date to be determined by the Governing Board of the Pan-American Union to consider problems related to aviation. The conclusions of the commission were to be drawn up in the form of a convention (or conventions) and submitted to the consideration of State members of the Pan-American Union.
From 2 to 19 May 1927 had met in Washington the Commercial Aviation Commission, which had drawn up the project of a Pan-American Convention of Aerial Navigation. The majority of the states represented were the same ones that had concluded six months before the CIANA (Convenio Ibero Americano de Navegación Aérea, called the Ibero-American Convention on Air Navigation, signed in Madrid in October 1926). This Pan-American Commission had not had the task as easy as the Ibero-American Conference. It also took the Paris Convention as starting point, but it carried out many modifications that were of importance.