Given the 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. Adventure Air Adventurer -  The Adventure Air Adventurer is a family of American homebuilt amphibious flying boats that was designed and produced by Adventure Air of Berryville Arkansas. When it was available the aircraft was supplied as a kit for amateur construction. The company appears to be out of business.
The answer is:
Mean Of Transportation