Pick one category for the following text. The options are - company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work. Aero A.19 - The Aero A.19 was a biplane fighter aircraft designed in Czechoslovakia in 1923 and considered by the Czech Air Force against its stablemates the A.18 and A.20. The A.18 was selected for production and development of the A.19 was abandoned.
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Mean Of Transportation