What does it mean to LAHSO?

Intersecting-Runways

LAHSO is a very common term that pilots can hear during landing sequences. LAHSO is an acronym that is meant to say “land and hold short.” The whole meaning of the acronym is “Land and Hold Short Operations.” This is a system that has been devised in order to maximize the capacity and to improve the efficiency of an airport in receiving and sending aircraft off. However, in order for it to be effective pilots need to develop and acquire an accurate understanding of the LAHSO concept.

Land And Hold Short

Landing traffic must hold short of Runway 36 so that traffic can depart from the intersecting runway.

To maximize efficiency in a tiny space, airports typically have intersecting runways. These intersecting runways are also instrumental to the optimization of traffic in an airport. It is because of these intersecting runways that the entire concept of LAHSO was created. LAHSO was once known by a different acronym and that was SOIR: Simultaneous Operations in Intersecting Runways. SOIR, however, was just limited to simultaneous operations that allowed an aircraft to land on an intersecting runway while another is preparing to take off.

…pilots are not obligated to accept a LAHSO clearance if the factors are against their safety and their passengers’.LAHSO expanded on that concept by allowing an aircraft to land while another is starting its takeoff run. How does it do that? Landing and holding short operations simply means landing and then holding short of an intersection to avoid colliding with incoming aircraft. While it sounds simple theoretically, in actual practice, LAHSO is a very difficult task to coordinate. However, LAHSO’s are unavoidable, and thus pilots need to understand how to do one safely. The best way to do that is to understand what a pilot’s responsibilities are when it comes to LAHSO.

What you should to do is to find out what the conditions are, like what length of runway is available to you is, among others. These conditions would help you plot your landing approach appropriately to Do not risk the lives of you and your passengers just to land on time.make sure you can come to a full stop at the designated area. These can also help you decide whether you’ll accept a LAHSO clearance, as pilots are not obligated to accept a LAHSO clearance if the factors are against their safety and their passengers’. Do not risk the lives of you and your passengers just to land on time. While it is every pilot’s goal to land on time and satisfy passengers, it is not worth committing to a LAHSO even when the odds are against you successfully holding short of a designated point.

To read more by Jason visit his blog at www.MzeroA.com


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About the author
Jason Schappert is a full time flight instructor and aviation blogger. Schappert was named Top Collegiate Flight Instructor of the Year in 2008 and contributes to AOPA’s Let’s Go Flying project. You can read more of Jason’s writing and video podcasts by visiting his blog: MZeroA.com.

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