Domain: tiger-web1.srvr.media3.us Flight from Jakarta Crashes into the Ocean | Page 7 | O-T Lounge
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re: Flight from Jakarta Crashes into the Ocean

Posted on 10/29/18 at 3:53 pm to
Posted by Traveler
I'm not late-I'm early for tomorrow
Member since Sep 2003
26274 posts
Posted on 10/29/18 at 3:53 pm to
Hey Rome. This was the one I saw first. I haven't looked at the others. Sorry for the delay in response.


This post was edited on 10/29/18 at 4:06 pm
Posted by When in Rome
Telegraph Road
Member since Jan 2011
36193 posts
Posted on 10/29/18 at 4:01 pm to
Thanks
Posted by hottub
Member since Dec 2012
3653 posts
Posted on 10/29/18 at 8:04 pm to
quote:

I'm not putting fault on anyone just trying to educate myself, but are things like this not conveyed to the next pilot the following morning?


Not if maintenance signed it off. If there is a write up that they can’t fix, they will reference a MEL and see if the aircraft can fly with the issue. If it can, the item will be deffered. Only then will the next crew know.

After Air France crash a few years ago, airlines, at least in the US, have unreliable pitch/airspeed memory items. Generally, a known pitch and power setting for each configuration.
Posted by just1dawg
Virginia
Member since Dec 2011
1494 posts
Posted on 10/29/18 at 8:29 pm to
quote:

With that logic you go back and say the same for Korean air and other carriers.


Not Korean Air.

They had so many crashes that Delta essentially took over their pilot training and dispatching department and did a major safety overhaul that brought them up to international standards. Post-Delta intervention they were deemed acceptable to be in the SkyTeam alliance.

I'd fly Korean Air today with no reservations.

New Standards Mean Korean Air Is Coming Off Many 'Shun' Lists (2002)
Posted by latech15
Member since Aug 2015
1291 posts
Posted on 10/29/18 at 8:34 pm to
You won’t get ice unless you are in visible moisture. Clouds, rain, fog etc. When you are in visible moisture, you turn the pitot tube heat on, even in the middle of the summer. That specifically prevents blocking of the pitot by ice. If they had time to realize that some instruments were wrong, they had time to open their iPads and turn on the display that gives a basic, but fairly reliable six-pack. It is based off gps data and accelerometers in the iPad, but it will get you out of a jam for sure. I’m guessing this was more than simple pitot tube icing.
Posted by RedFoxx
New Orleans, LA
Member since Jan 2009
6673 posts
Posted on 10/29/18 at 8:48 pm to
quote:

Not Korean Air. They had so many crashes that Delta essentially took over their pilot training and dispatching department and did a major safety overhaul that brought them up to international standards. Post-Delta intervention they were deemed acceptable to be in the SkyTeam alliance. I'd fly Korean Air today with no reservations.



That's what I'm saying. Korean is a perfectly safe airline to fly on today despite their past safety record. Same with Garuda.
Posted by Cump11b
Member since Sep 2018
2026 posts
Posted on 10/30/18 at 9:26 am to
Honestly, this is just like automatically telling a veteran "thank you for your service". Automatic situational responses, whether you mean well or not, are worthless. They do not convey empathy. Empathy is not/cannot be conveyed through socially constructed, automated actions/reactions. I'm sorry to burst your bubble.
Posted by When in Rome
Telegraph Road
Member since Jan 2011
36193 posts
Posted on 10/30/18 at 9:41 am to
Right, with Air France 447, the issue was supercooled water in a towering thunderstorm that didn’t turn to ice until it made contact with the pitot tubes and then clogged them, making their readings faulty. But in this case, I believe the weather was said to be clear and sunny. I wonder if something else could have clogged the tubes. Seems kind of unlikely. But experts have commented in the news that the erratic flight behavior points to a fault in the pitot-static system. I saw one report that said it could take up to a month for a preliminary report and up to a year for a full report on the black box findings.
This post was edited on 10/30/18 at 9:45 am
Posted by baldona
Florida
Member since Feb 2016
23827 posts
Posted on 10/30/18 at 10:27 am to
So reading other places online and comparing the known altitude and speed (if accurate), it looks like what likely happened was:

1. autopilot encountered an error and thus the initial drops. Could be bad Pitot or static probe readings giving bad readings to the instruments and therefore autopilot and pilots
2. pilots take over and get the plane mostly under control but it takes some adjustments thus the small dips and climbs for a couple of minutes in the middle
3. something goes wrong again and the plane plunges

The biggest concern is that hopefully autopilot wasn't turned back on to cause the final decent? But that there was likely some sort of mechanical/ instrument issue causing initial issues?
Posted by Jim Rockford
Member since May 2011
104675 posts
Posted on 12/6/18 at 12:13 pm to
The latest: Lion Air threatens to cancel $22 Billion Boeing plane order

quote:

Lion Mentari Airlines’ owner threatened to cancel $22 billion in aircraft orders from Boeing, saying the planemaker’s response to an accident report for a recent deadly crash unfairly implicated his carrier. “I feel betrayed,” the Indonesian carrier’s co-founder, Rusdi Kirana, said by telephone Wednesday. “I’m preparing documents to propose cancellations. Everything is still under consideration now.”


LINK
Posted by Chucktown_Badger
The banks of the Ashley River
Member since May 2013
36276 posts
Posted on 12/6/18 at 12:45 pm to
quote:

I'd fly Korean Air today with no reservations.


I'm sure you probably could, but I would still recommend a reservation.

Posted by Shankopotomus
Social Distanced
Member since Feb 2009
21082 posts
Posted on 12/6/18 at 2:46 pm to
interesting.

either going to get a deal from Boeing or a deal from AirBus depending on what the contracts say

however, I would agree that early reports on this deal just thrashed the airline when it turned out the airplane had a fairly serious defect
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