Gol Linhas Aéreas Inteligentes S.A is a Brazilian low-cost airline based in Rio de Janeiro, Brazil. According to the National Civil Aviation Agency of Brazil (ANAC), between January and December 2019 Gol had 37.7% of the domestic and 3.8% of the international market shares in terms of passenger-kilometers flown, making it the largest domestic and third largest international airline in Brazil.

The National Civil Aviation Agency, is the Brazilian civil aviation authority, created in 2005. It is headquartered in the Edifício Parque Cidade Corporate in Brasília. A part of the Brazilian Secretariat of Civil Aviation, the agency raised from the former Department of Civil Aviation (DAC) and the Civil Aviation Certification Division, the Brazilian aircraft certification authority. ANAC is responsible for regulating and overseeing civil aviation activities, aeronautics and aerodromes infrastructure.