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Advisory CircularsAC-91-7939 pages

Mitigating the Risks of a Runway Overrun Upon Landing

Mitigating the risk of a runway overrun on landing — energy management, stabilized approaches, and go-around discipline.

About this document

AC 91-79, Mitigating the Risks of a Runway Overrun Upon Landing, addresses landing-phase energy management. It covers stabilized-approach criteria, the effects of excess airspeed and long/floated touchdowns, contaminated-runway performance, and the go-around decision. Its principles apply from light general-aviation airplanes through transport category.

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AC-91-79 is an official FAA publication in the public domain. We host a copy so you can read it in-browser; always confirm you are reading the current edition on faa.gov. The description above is an original summary and is a study aid, not a substitute for the document or the regulations.