There’s like a daily flamewar on avherald. They even have a faq entry for this: Q: Why do you use "wrong" abbreviations (e.g. for New South Wales)? We use the

There’s like a daily flamewar on avherald. They even have a faq entry for this: Q: Why do you use "wrong" abbreviations (e.g. for New South Wales)? We use the original ISO 3166 standard (two letter code) to remain compatible with other sources. Therefore the abbreviation for e.g. New South Wales is NS unlike the postal abbreviation NSW.