Solid Red Means Hold

The latest in the FAAs efforts to prevent runway incursions goes into effect at the San Francisco (Calif.) International Airport (SFO) November 30. It takes the form of the Runway Status Lights (RWSL) program, an automated series of red lights embedded in taxiways that enter runways and in the departure end of runways themselves. The lights warn pilots of high-speed aircraft or vehicles on runways, according to the agency.

Friday, November 18, 2016 at 12:00 AM ET

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Key Takeaways:

The FAA is implementing the Runway Status Lights (RWSL) program, an automated system of red lights embedded in taxiways and runways at airports like SFO, to warn pilots of unsafe runway conditions and prevent incursions, complementing but not replacing ATC clearance.
The FAA's regulatory enforcement policy emphasizes "Compliance Actions" for unintentional deviations, aiming to correct safety issues through root-cause analysis, training, and education without a formal violation.
While prioritizing compliance, the FAA will continue to use strict enforcement actions for intentional deviations, reckless or criminal behavior, or unwillingness to comply, maintaining zero tolerance for such serious safety risks.

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The latest in the FAA’s efforts to prevent runway incursions goes into effect at the San Francisco (Calif.) International Airport (SFO) November 30. It takes the form of the Runway Status Lights (RWSL) program, an automated series of red lights embedded in taxiways that enter runways and in the departure end of runways themselves. The lights “warn pilots of high-speed aircraft or vehicles on runways,” according to the agency.

Since they are automated and independent of air traffic control, they are not a substitute for a clearance to enter or cross a runway. Instead, they’re one more tool pilots and controllers can use to minimize the risk of runway incursions. They’re either off or on: If they’re on, stop and advise ATC you are “holding for red lights.” Do not proceed beyond the lights until they’re off and you have an appropriate clearance.