There is actually a set of lights which should have displayed red towards the trucks.

Were they not operating correctly, or did the driver ignore them is one of the questions the investigation will answer.

The system is called Runway Status Lights. And in case there is a disagreement between the ATC clearance and the lights the drivers are supposed to not enter the runway.

https://www.faa.gov/air_traffic/technology/rwsl

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mmmrtl 4 hours ago | parent | next [-]

RWSL were red in the video. https://viewfromthewing.com/__trashed-13/ So maybe we'll be looking at training and fatigue for the firefighters too

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flakeoil 4 hours ago | parent | prev | next [-]

In the video it looks as if the other emergency vehicles have stopped and only the first truck is driving. Maybe they missed the light or it turned red just after the first truck passed the light.

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eviks 4 hours ago | parent | prev [-]

The description is a bit vague, but I guess this should've automatically caught the landing plane immediately after it got the approval and started landing?

> When activated, these red lights indicate that ... there is an aircraft on final approach within the activation area

	▲	krisoft 4 hours ago \| parent [-]
		It is not working based on approval but based on sensors observing the airplane on final. Even if the plane is landing without clearance, even if the ATC is held hostage by a terorist or having a stroke the lights should turn red when an airplane is approaching the runway from the sky. This pdf talks more about how it is implemented: https://www.oig.dot.gov/sites/default/files/WEB_Final_RWSL.p... “RWSL is driven by fused multi-sensor surveillance system information. Using Airport Surface Detection Equipment-Model X (ASDE-X), external surveillance information is taken from three sources that provide position and other information for aircraft and vehicles on or near the airport surface. RWSL safety logic processes the surveillance information and commands the field lighting system to turn the runway status lights on and off in accordance with the motion of the detected traffic.”