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Features November 2019 Issue

TERPS 101

The Instrument Procedures Handbook contains basic TERPS information such as this excellent graphic depicting the ROC, and primary and secondary areas..

TERPS 101

You can expertly fly an approach in gusty winds, but do you know how much obstacle protection you have? Class is in session on the basics of procedure design.

Since we trust our lives to procedures designed to TERPS standards whenever we’re in the soup, let’s pull back the curtain just a little bit to see what’s going on behind the scenes of our approach charts. Note that collectively the TERPS standards easily run over 1000 pages and often involve quite a bit of math, so this is intended to be an overview and is by no means exhaustive. We will be looking at basic concepts and how they apply to approach procedures in this article; in a future article we’ll discuss standards for other phases of flight.

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