TAME of Ecuador is and has been low cost on domestic sectors. B727s and F28s are operated by the commercial division of the Ecuadorian Air Force. Likewise, SATENA is a low cost carrier on domestic sectors, operated by the commercial division of the Colombian Air Force. INTER (Intercontinental de Aviacion, S.A.) is a low cost carrier on domestic sectors in Colombia, operating DC-9-10s. Aero Continente of Peru is a relatively low cost carrier on domestic sectors. All the above mentioned carriers feature single class service on their domestic routes.