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. Hanriot HD.1 - The Hanriot HD.1 was a French World War I single-seat fighter aircraft. Rejected for service with French squadrons in favour of the SPAD S.7 the type was supplied to the Belgian and the Italian air forces with whom it proved highly successful. Of a total of about 1200 examples built 831 were in fact produced by Italian companies under licence.
A:
Mean Of Transportation