Aviaco
Airline
Aviación y Comercio, S.A., doing business as Aviaco, was a Spanish airline headquartered in the Edificio Minister in Madrid. Wikipedia
Operating base: Adolfo Suárez Madrid–Barajas Airport
Headquarters: Bilbao, Spain
Ceased operations: September 1, 1999
Founded: February 18, 1948
Parent company: Iberia