Líder Aviação (Líder Aviation) is a Brazilian airline specialising in air charter, aircraft sales and aircraft maintenance. Its main base is in Belo Horizonte, Minas Gerais, where it has a presence at both airports. It has other bases throughout Brazil; at Congonhas Airport and Guarulhos International Airport in São Paulo, Santos Dumont Airport, Jacarepaguá Airport and Galeão International Airport in Rio de Janeiro, Brasília International Airport, Recife's Guararapes International Airport, Macaé Airport, Val de Cães International Airport in Belém, Vitória Airport, Salvador International Airport, Porto Alegre's Salgado Filho International Airport, and Eduardo Gomes International Airport in Manaus. Bristow Group, a large U.S.-based helicopter operator with worldwide operations supporting the