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7th Dec 2018, 01:22
Replies: 2,099
Views: 1,471,761
Posted By climber314

My assumption is they were debriefed. The whole...

My assumption is they were debriefed. The whole flight is described in detail in a little over one page - 18.1 PK-LQP Previous Flight.
7th Dec 2018, 00:38
Replies: 2,099
Views: 1,471,761
Posted By climber314

The JT43 crew ran the R/S NNC and cut out Stab...

The JT43 crew ran the R/S NNC and cut out Stab Trim. I posted this shortly after the report was released....
6th Dec 2018, 17:36
Replies: 2,099
Views: 1,471,761
Posted By climber314

CT with all due respect... I don't see anyone...

CT with all due respect... I don't see anyone disputing that Boeing's MCAS system ran the nose down and crashed the jet killing 189 people, but it is noteworthy that two switches may have prevented...
6th Dec 2018, 15:27
Replies: 2,099
Views: 1,471,761
Posted By climber314

The graph in the report shows a number of the...

The graph in the report shows a number of the parameters end in vertical lines like that.
5th Dec 2018, 18:53
Replies: 2,099
Views: 1,471,761
Posted By climber314

The design seems to fail "on" by which I mean to...

The design seems to fail "on" by which I mean to say a bad sensor is able to trigger the software to continue to say "Nosedown" to MCAS. This seems to be opposite to conventional wisdom where a...
5th Dec 2018, 18:08
Replies: 2,099
Views: 1,471,761
Posted By climber314

True but we're discussing a specific type of...

True but we're discussing a specific type of failure where the AoA is incorrect causing the software to say "NoseDown" to MCAS constantly. In this failure it seems that MCAS will indeed run to the...
5th Dec 2018, 14:34
Replies: 2,099
Views: 1,471,761
Posted By climber314

So if I've got this correct, MCAS completes one...

So if I've got this correct, MCAS completes one cycle taking the Stab Trim from say from, 5.0 to 2.5. If a pilot DOES NOT touch the trim control(s), MCAS is effectively stopped at 2.5? What are the...
4th Dec 2018, 15:22
Replies: 2,099
Views: 1,471,761
Posted By climber314

That's the WHAT happened gums...

That's the WHAT happened gums (https://www.pprune.org/members/304371-gums). WHY it went down that way is at the bottom of the Java Sea on a CVR at the moment. Ian W...
4th Dec 2018, 14:19
Replies: 2,099
Views: 1,471,761
Posted By climber314

Something doesn't add up about this whole deal....

Something doesn't add up about this whole deal. The Rupiah is down over 40% against the Dollar since 2011, the year the big Boeing deal was signed. Yet Lion Air flies a fleet of brand new jets with a...
3rd Dec 2018, 13:21
Replies: 2,099
Views: 1,471,761
Posted By climber314

So why is it being discussed? Boeing designed...

So why is it being discussed? Boeing designed the MAX with MCAS and then decided not to tell anyone about it. Obviously they wanted a quick fix and stick pusher does not meet that criteria. From...
1st Dec 2018, 23:02
Replies: 2,099
Views: 1,471,761
Posted By climber314

I'm pretty sure they ran the Airspeed Unreliable...

I'm pretty sure they ran the Airspeed Unreliable Checklist since they flew to 5,000 ft and retracted flaps per the PI-QRH for UAS. Why they added Flaps 5 is a bit curious as is why they failed to...
30th Nov 2018, 15:59
Replies: 2,099
Views: 1,471,761
Posted By climber314

I forget where I read it (might have been on...

I forget where I read it (might have been on Twitter) but the news article stated Lion Air pilots have "begun training on Airspeed Disagree and Runaway Stabilizer." No mention of MCAS training. ...
30th Nov 2018, 14:48
Replies: 2,099
Views: 1,471,761
Posted By climber314

Or Boeing has the ONLY simulator with MCAS...

Or Boeing has the ONLY simulator with MCAS functions in Seattle?

The investigation will next head to Seattle and the 737-MAX engineering simulator where investigators will attempt to exercises to...
30th Nov 2018, 12:58
Replies: 2,099
Views: 1,471,761
Posted By climber314

Exclusive: Boeing eyes Lion Air crash software...

Exclusive: Boeing eyes Lion Air crash software upgrade in 6-8 weeks

https://www.reuters.com/article/us-indonesia-crash-boeing-exclusive-idUSKCN1NZ00S

While plans for the possible fix are not...
29th Nov 2018, 22:11
Replies: 2,099
Views: 1,471,761
Posted By climber314

Flight Crew Operations Manual Bulletin Number:...

Flight Crew Operations Manual Bulletin
Number: FLR-6(FR)
Issue Date: August 10, 2012
29th Nov 2018, 20:38
Replies: 2,099
Views: 1,471,761
Posted By climber314

He went to 5,000 ft per the Airspeed Unreliable...

He went to 5,000 ft per the Airspeed Unreliable Checklist (table below). The Alt Disagree Checklist is quick. (Looking at the 737NG-800 QRH) Fly pitch and power as per the QRH. Next figure out why...
29th Nov 2018, 15:16
Replies: 2,099
Views: 1,471,761
Posted By climber314

Looks like Boeing is attempting to get some more...

Looks like Boeing is attempting to get some more information to pilots on the MCAS system.
...
29th Nov 2018, 14:50
Replies: 2,099
Views: 1,471,761
Posted By climber314

Perhaps TOO harsh... but which is worse: a crew...

Perhaps TOO harsh... but which is worse: a crew that failed to aviate or a troubleshooting excursion with passengers and a flying spanner? ATM the flying spanner has been relegated to a footnote in...
29th Nov 2018, 12:29
Replies: 2,099
Views: 1,471,761
Posted By climber314

Obviously not. If I've got active an active...

Obviously not. If I've got active an active stick shaker, I don't need a checklist to tell me not to fly high AoA or Steep Turns and to LAND. That was my (inferred) point. To their credit, at...
28th Nov 2018, 22:04
Replies: 2,099
Views: 1,471,761
Posted By climber314

I just got a chance to read the whole report. The...

I just got a chance to read the whole report. The crew on the flight prior to the accident ran the "Runaway Stabilizer" checklist. Apparently Boeing needs to rewrite this checklist to include "Plan...
28th Nov 2018, 15:06
Replies: 2,099
Views: 1,471,761
Posted By climber314

That would be the logical thing to do....

That would be the logical thing to do. Recognizing that repeated uncommanded trim movements occurring in a regular pattern are indeed "continuous" would be another. Both actions would require logical...
28th Nov 2018, 13:37
Replies: 2,099
Views: 1,471,761
Posted By climber314

It is very unusual for Boeing to comment on this...

It is very unusual for Boeing to comment on this report given the investigation is ongoing?

https://www.flightglobal.com/news/articles/boeing-posts-detailed-response-to-jt610-preliminary-453970/
26th Nov 2018, 19:36
Replies: 2,099
Views: 1,471,761
Posted By climber314

Some interesting commentary and quotes in this...

Some interesting commentary and quotes in this article with highlights as follows:

“There are so many questions it’s sort of hard to put in one short statement,” said Roger Cox, a retired...
25th Nov 2018, 23:07
Replies: 2,099
Views: 1,471,761
Posted By climber314

Indeed. :ok: Point conceded with an * on highly...

Indeed. :ok: Point conceded with an * on highly selective.
25th Nov 2018, 22:32
Replies: 2,099
Views: 1,471,761
Posted By climber314

There is no "Erratic Behaviour Trim" checklist in...

There is no "Erratic Behaviour Trim" checklist in any 737. Max or otherwise.
Checklists are a troubleshooting aid/guide and are not an answer to every conceivable issue that may arise.
Some people...
25th Nov 2018, 21:40
Replies: 2,099
Views: 1,471,761
Posted By climber314

WRONG... I'll just come right out and spell it...

WRONG... I'll just come right out and spell it out for you in perfect clarity.
Wx = VMC
Primary Controls = Free & Correct
Engines = 2x Good
Pilots/CRM = ?
Mx = ?
Trim Controls = ?
Owner...
22nd Nov 2018, 22:49
Replies: 2,099
Views: 1,471,761
Posted By climber314

PRESS RELEASE: NTSC Discloses Lion Air PK-LQP FDR...

PRESS RELEASE: NTSC Discloses Lion Air PK-LQP FDR Data in the DPR

https://news.detik.com/berita/4312425/knkt-beberkan-data-fdr-lion-air-pk-lqp-di-dpr...
22nd Nov 2018, 18:16
Replies: 2,099
Views: 1,471,761
Posted By climber314

Here you go... The slide I posted originally...

Here you go...
The slide I posted originally might not have been "enlarged" to full resolution?...
22nd Nov 2018, 17:59
Replies: 2,099
Views: 1,471,761
Posted By climber314

Agreed.... my bad on the first slide/graph.

Agreed.... my bad on the first slide/graph.
22nd Nov 2018, 17:55
Replies: 2,099
Views: 1,471,761
Posted By climber314

Is manual control not a form of redundancy?...

Is manual control not a form of redundancy? (rhetorical)
22nd Nov 2018, 17:38
Replies: 2,099
Views: 1,471,761
Posted By climber314

Angry Oops... I had just switched from this slide. ...

Oops... I had just switched from this slide.
Still interesting to note the AoA values vs. Stab Trim on the previous slide.

Edit: Slide/Graph removed and replaced with enlarged(?) image in post...
22nd Nov 2018, 17:12
Replies: 2,099
Views: 1,471,761
Posted By climber314

Edit: NOT the accident flight! Thanks wiedehopf...

Edit: NOT the accident flight! Thanks wiedehopf (https://www.pprune.org/members/433642-wiedehopf) & Luc Lion (https://www.pprune.org/members/135299-luc-lion).
Excellent translation below from Sam...
Showing results 1 to 32 of 32


 
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