ATCA
ATCA is the abbreviation for:
- Advanced Telecommunications Computing Architecture, the industry standard for telecommunications hardware
- Airline Training Center Arizona, flight school Lufthansa Flight Training GmbH in the United States of America
- Air Traffic Control Association
- Alien Tort Claims Act, Act for the regulation of foreign claims in the United States of America
- Australia Telescope Compact Array, net of astronomy radio telescopes in Australia
See also:
- Disambiguation
- Abbreviation