Southwest Airlines will soon have its entire Boeing 737 aircraft fleet equipped with new tech designed to increase runway safety.

Southwest Airlines is adding a new cockpit alert system to help its pilots avoid dangerous situations, after carriers navigated a series of close calls at U.S. airports in recent years. The Honeywell-designed system delivers verbal warnings and text alarms if a pilot is about to use the wrong runway,

Southwest Airlines has added the Honeywell SmartLanding and SmartRunway software system to most of its fleet to provide verbal and text alerts to pilots to prevent close runway calls and other safety risks.