Please answer the following question: 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. Rud Aero RA-3 -  The Rud Aero RA-3 is an American composite aerobatic training aircraft produced by Rud Aero.
Answer:
Mean Of Transportation