The Colombian Air Service (Spanish: Servicio Aéreo Colombiano), or SACO, was an early Colombianairline. Founded in 1933, in 1940 SACO merged with the Colombo-German Air Transport Society (Sociedad Colombo Alemana de Transporte Aéreo, or SCADTA); the new company was named Airline of the American Continent (Aerovías del Continente Americano, or Avianca). Avianca still operates to this day.
On 24 June 1935, a Ford Trimotor of SACO collided during take off with another Ford Trimotor of SCADTA at Medellín, Colombia. Fifteen people were killed including the world famous tango singer Carlos Gardel.