Runway Status Lights Improves Runway Safety at Busy Airports

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Since 1990, the National Transportation Safety Board (NTSB) has identified runway incursions as a foremost concern on its “Most Wanted” list of safety improvements.

Providing runway incursion and safety alerts directly to the cockpit is an initiative many safety regulators have been wanting for several years. To address this need, the U.S. Federal Aviation Administration created the Runway Status Light (RWSL) program.

RWSL employs surface surveillance data to automatically illuminate lights at taxi hold positions and takeoff hold points to warn pilots of occupied runways or if an aircraft is landing for a more direct means of preventing incursions without increasing controller workload.