Earlier quoted context omitted.
The extra cost for safety is reducing safety because it's causing this not to get installed. Maybe it's worth having a worse system that actually is there.
If this system fails when needed, every cent spent on it will be considered a waste. Nobody is going to say "sure, 300 people died and a couple $150m planes were destroyed.. but we saved a couple million dollars when it was installed 7 years ago".
Friday night’s near-disaster at JFK airport
241–250 of 372 posts
Re: Friday night’s near-disaster at JFK airport
#242Re: Friday night’s near-disaster at JFK airport
#243Earlier quoted context omitted.
> 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. That's... a street light.[1] When street lights become "very expensive of course" it's time to revisit our priors about how we regulate. And I say this as someone not normally inclined to libertarian rhetoric. [1] To be cle…
The vast majority of road intersections do not have traffic lights. This is because they are expensive. People die every day at intersections without traffic lights. The money to put up the lights just doesn’t exist. A basic 4 way stop is about a quarter million to put in traffic lights. And even at that price you do not get lights with high availability features.
I don't know what the corresponding term would be for taxiways, though I expect the reply here will be spelled 'not practical'.
Re: Friday night’s near-disaster at JFK airport
#244Earlier quoted context omitted.
People die at intersections with stop signs every day, but we don’t do it on our roads for the exact same reason.
McKinsey style interview question. How many road intersections are there in the US?
ChatGPT says: I'm sorry, I don't have an exact number for the number of road intersections in the US. However, I can provide you with some information that may help you arrive at an estimate. According to the Federal Highway Administration, as of 2020, there were approximately 4 million miles of public roads in the US. If you assume that each mile of road has an average of four intersections (which would include cross streets, driveways, and other points where roads connect), that would result in an estimated 16 million road intersections in the US. However, this is just an estimate and the actual number may vary depending on factors such as population density, urbanization, and road infrastructure.
Re: Friday night’s near-disaster at JFK airport
#245I flew into JFK in December and was surprised the number of concurrent operations going on… landing queues of 5+ planes in the sky for the two runways, long takeoff queues, so many land operations… once you touch down it sure feels like the pilot knows they have to get that plane off the runway ASAP. Felt much more busy than I have previously going through LAX/SFO/London/Dubai. I wonder if the level of traffic at JFK…
Newark and LaGuardia are just as packed. The nyc airspace is just over used.
Re: Friday night’s near-disaster at JFK airport
#246> (“Shit! Delta 1943 cancel takeoff clearance!”) This isn't a real quote, is it? I was surprised to read ATC losing their composure like that, but in the linked video/audio there is no utterance of Shit! that I can hear.
Re: Friday night’s near-disaster at JFK airport
#247Earlier quoted context omitted.
The other major concern is running reliable power to the lights. That isn’t something that can happen above ground when crossing runways, so there’s going to be at least some digging up the runway and repaving. Repaving runways isn’t cheap. It has to be done in an expedited manner since airports need all runways available during peak hours, so there’s usually a six-ish hour overnight window for work to get done and t…
Why can't they have two huge, red, flashing lights at either side of the crossway, thus avoiding the costs to dig up runway asphalt altogether? Better than what they seemingly have now ...
787 wingspan is 200ft (60m). Planes don't turn on a dime either, but the larger ones do have steering linked to the rear wheels, so their turn radius can be surprising.
The non invasive solution would be to require some kind of ground control computer link that can directly draw their controlled path for them on their displays and give them a nice loud master caution or warning if they're about to break their assignment.
Then we can start thinking about ground autopilot systems.
Re: Friday night’s near-disaster at JFK airport
#248I flew into JFK in December and was surprised the number of concurrent operations going on… landing queues of 5+ planes in the sky for the two runways, long takeoff queues, so many land operations… once you touch down it sure feels like the pilot knows they have to get that plane off the runway ASAP. Felt much more busy than I have previously going through LAX/SFO/London/Dubai. I wonder if the level of traffic at JFK…
Do yourself a favor and do a youtube search for "kennedy steve." He's famous for managing this chaos with a commanding voice and prompt instruction while maintaining a good sense of humor.
Re: Friday night’s near-disaster at JFK airport
#249The animation in the tweet at the end of the article is something. Based on that, the deceleration looked remarkably fast. I imagine that was quite the ride for the folks in the Delta jet.
I was in a rejected take off. I collected my phone from the cockpit door after it flew there from my hand. Without the seatbelt, I would have flown too. I never found out the reason. I thought they would have to report it and I could read it in av herald.
Re: Friday night’s near-disaster at JFK airport
#250I flew into JFK in December and was surprised the number of concurrent operations going on… landing queues of 5+ planes in the sky for the two runways, long takeoff queues, so many land operations… once you touch down it sure feels like the pilot knows they have to get that plane off the runway ASAP. Felt much more busy than I have previously going through LAX/SFO/London/Dubai. I wonder if the level of traffic at JFK…
> once you touch down it sure feels like the pilot knows they have to get that plane off the runway ASAP Do yourself a favor and do a youtube search for "kennedy steve." He's famous for managing this chaos with a commanding voice and prompt instruction while maintaining a good sense of humor.