Massey University is the only university in New Zealand offering degrees in aviation, dispute resolution, veterinary medicine, and nanoscience. Massey's veterinary school is accredited by the American Veterinary Medical Association and is recognised in the United States, Australia, Canada, and Britain. Its agriculture programme is the highest-ranked in New Zealand, and 19th in Quacquarelli Symonds' (QS) world university subject rankings. Massey's Bachelor of Aviation (Air Transport Pilot) is an internationally recognised and accredited qualification, is the first non-engineering degree to be recognised by the Royal Aeronautical Society (1998), and has ISO9001-2000 accreditation.