Please answer the following question: The Schweizer 330 and 333 are turbine-powered developments of the Schweizer 300 light piston-powered helicopter. As of 2007 only the Schweizer 333 remains in production. In February 2009 the 333 was rebranded as the Sikorsky S-333. Given a list of categories: company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, what category does the paragraph belong to?
A:
Mean Of Transportation