A private, not-for-profit organization that brings industry and government together to address the needs of the worldwide aeronautical community. The acronym RTCA originally stood for Radio Technical Commission for Aeronautics, but is now known simply as RTCA.

Radio Technical Commission for Aeronautics (For WAAS & EGNOS services)

Rural Training Council of Australia Inc., a national industry training advisory body.

The Rural Training Council of Australia facilitates learning within the rural industry, which is directed toward improving long term viability, quality of life and financial returns.