Terminal Arrival Areas
Terminal Arrival Areas provide most of the same considerations and cautions as their minimum safe/sector altitude cousins—but they can tell you a lot more.
The Terminal Arrival Area has been dissected and rehashed a lot. For those of us who became instrument rated when, say, Loran was cutting-edge technology, the TAA is a bit of a paradigm shift for approach planning. If you were raised “/G,” it’s just another navigation parameter.