[1][2] The agency originated from the Directorate of Civil Aviation - Eastern Caribbean States.
The UK-West Indies Associated States (WIAS) Council of Ministers took responsibility for the directorate's operations in 1968.
[3] In 2002, the participants in the 35th meeting of the OECS Heads of Governments declared that a self-financed, fully autonomous authority should regulate civil aviation.
The OECS ministers who were responsible for civil aviation signed the agreement establishing the ECCAA in October 2003.
Five OECS member states had passed the Eastern Caribbean Civil Aviation Authority Agreement Act by October 2004, causing the establishment of the ECCAA.