The Fairey Delta 1 or FD1 was a British research aircraft produced by the Fairey Aviation Company for investigation of delta wing flight characteristics and control at transonic speeds. In testing the FD1 exhibited unfavourable handling and stability leading to cancellation of two further airframes. It was the first British-designed delta wing. 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?
Mean Of Transportation