Aeroamerica
Aeroamerica, Inc. was founded as a US supplemental carrier in 1973. It was headquartered at Seattle Boeing Field, Washington. In 1975 the airline established an overseas base at Tegel Airport in what used to be West Berlin prior to German reunification. Berlin Tegel was the main operating base from 1975 until '79. Aeroamerica ceased operations in 1982.
Read more about Aeroamerica: Aircraft Operated, Accidents and Incidents, Notes and Citations