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Friday night’s near-disaster at JFK airport

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Re: Friday night’s near-disaster at JFK airport

#41

Earlier quoted context omitted.

No bad thing happened, except Delta cancelling its flight. The bad thing was prevented by quick action.

"Near collision" in this case is perfectly ordinary english phrasing. It does not assert a collision happened.

Unless you ask George Carlin: https://youtu.be/zDKdvTecYAM

Re: Friday night’s near-disaster at JFK airport

#43
For those thinking about preventative solutions, there are some existing, all very expensive of course.

The simplest is placing a row of red lights in the ground at all intersections to runways. When an airplane is cleared for takeoff and until it is airborne the controller presses a button and turns all these lights red. Pilots are instructed that regardless of clearance, a red light over-rides that, and to never cross it. These lights are installed at JFK, but apparently NOT at the intersection inquisition. (https://en.wikipedia.org/wiki/Runway_status_lights).

JFK also has Airport Surface Detection Equipment (ASDE). Which is essentially ground radar including transponder/ADS-B replies. Many have automated alerts when it detects a potential runway incursion. Not known if any such system alerted the controller.

There is obviously room for more to be done in this space.

Re: Friday night’s near-disaster at JFK airport

#46
post #27
post #21

So we don't have computers anticipating the movements of airplanes, and giving warning signals if necessary?

Stupid question but can't they use a system of traffic lights before crossing a runway?

As mentioned by many other commenters, this airport is equipped with exactly that.

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

Re: Friday night’s near-disaster at JFK airport

#49
post #36

Earlier quoted context omitted.

Space flight is the one industry with a better track record I’d say.

It’s important to account for the frequency difference for these events. One of them has thousands of flights per day, the other not as many.

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Re: Friday night’s near-disaster at JFK airport

#50

Earlier quoted context omitted.

Space flight is the one industry with a better track record I’d say.

I wonder by what metric this is true. For instance, I’m sure the fatality per flight of manned space flight is an order of magnitude worse than commercial air flight in the US.

Easily *six* orders of magnitude. STS saw two crashes in O(10^2) flights (and SpaceX has much smaller numbers still). The US handles O(10^7) commercial flights per year, none of which crashed in 10+ years (I think).

https://www.faa.gov/air_traffic/by_the_numbers

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