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3rd Dec 2018, 10:21
Replies: 2,099
Views: 1,471,854
Posted By Gary Brown

Just a tad of update ...

Just a tad of update ...
28th Nov 2018, 08:28
Replies: 2,099
Views: 1,471,854
Posted By Gary Brown

From the Synopsis (quoted above) of today's...

From the Synopsis (quoted above) of today's Interim Report, about the previous flight:

The PIC noticed the aircraft was automatically trimming AND. The PIC moved the STAB TRIM switches to CUT OUT...
28th Nov 2018, 07:39
Replies: 2,099
Views: 1,471,854
Posted By Gary Brown

The Preliminary Report (78 pages) linked to above...

The Preliminary Report (78 pages) linked to above (http://knkt.dephub.go.id/knkt/ntsc_aviation/baru/pre/2018/2018%20-%20035%20-%20PK-LQP%20Preliminary%20Report.pdf) is a very slow download this...
24th Nov 2018, 10:21
Replies: 2,099
Views: 1,471,854
Posted By Gary Brown

Apologies if this has been mentioned before (I...

Apologies if this has been mentioned before (I can't find a direct post...). On an 737NG Ground School Slide Show (https://www.slideshare.net/theoryce/b737-ng-flight-controls) I see the following:...
23rd Nov 2018, 12:03
Replies: 2,099
Views: 1,471,854
Posted By Gary Brown

[my emphasis] I wonder if he actually said...

[my emphasis]

I wonder if he actually said that, or meant it if he did?
23rd Nov 2018, 07:56
Replies: 2,099
Views: 1,471,854
Posted By Gary Brown

Well, the Guardian article links to a pay-walled...

Well, the Guardian article links to a pay-walled Australian article that purportedly reports on the Indonesian Parliament. And the Guardian journo clearly knows all-but-zip about this or any other...
22nd Nov 2018, 17:18
Replies: 2,099
Views: 1,471,854
Posted By Gary Brown

Not of course directly (or even necessarily)...

Not of course directly (or even necessarily) implicated, but can anyone explain Item 4 on the Runaway Stab memory item list quoted below. How is that the Stab could continue "uncommanded" movement...
22nd Nov 2018, 16:12
Replies: 2,099
Views: 1,471,854
Posted By Gary Brown

That Press Release...

That Press Release (https://www.slideshare.net/DhaniIrawan1/presentasi-knkt-soal-pklqp-di-dpr) - " Presentation of NTSC on PK-LQP Questions in the DPR - Submission of NTSC to the V Commission - 22...
21st Nov 2018, 16:37
Replies: 2,099
Views: 1,471,854
Posted By Gary Brown

Other have pointed out that Item 2 contains the...

Other have pointed out that Item 2 contains the crucial word IF.

But, perhaps more to the point, is that what I quoted is the existing Runaway Trim procedure for the more recent 737s, and it is to...
21st Nov 2018, 14:48
Replies: 2,099
Views: 1,471,854
Posted By Gary Brown

And, at the risk of simply going round in circles...

And, at the risk of simply going round in circles here, there's the oddity of the final 2 lines in the "reminder" Runaway Stab memory item list that Boeing later pointed to:

Runaway Stabilizer
...
21st Nov 2018, 07:13
Replies: 2,099
Views: 1,471,854
Posted By Gary Brown

Fair enough. But the Runaway Stabilizer issue...

Fair enough. But the Runaway Stabilizer issue has memory items - up to and including the cut-out switches and taking a firm grasp on the trim wheel - as well as the physical QRF. How many separate...
16th Nov 2018, 07:00
Replies: 2,099
Views: 1,471,854
Posted By Gary Brown

Personally, I read "average" in that context to...

Personally, I read "average" in that context to mean pilots going about their normal transport work (which may include emergencies of course), but not engaged in testing or developing systems or...
15th Nov 2018, 08:27
Replies: 2,099
Views: 1,471,854
Posted By Gary Brown

Agreed, of course. But do you think / know that...

Agreed, of course. But do you think / know that the recent statements about the 737 Max and MCAS by Boeing and the FAA are definitely based on (even non-public) recovered FDR data?

My point is...
15th Nov 2018, 06:51
Replies: 2,099
Views: 1,471,854
Posted By Gary Brown

It's worth noting - especially in the sea of...

It's worth noting - especially in the sea of speculation above! - that, so far as I am aware, there's no specific news on the FDR data either. Nothing that Boeing or the FAA have said so far is...
12th Nov 2018, 10:54
Replies: 2,099
Views: 1,471,854
Posted By Gary Brown

I think you're conflating two separate 737...

I think you're conflating two separate 737 crashes. Tatarstan 363 (https://en.wikipedia.org/wiki/Tatarstan_Airlines_Flight_363) which had the dissenting opinion you mention (and both the Official...
11th Nov 2018, 10:24
Replies: 2,099
Views: 1,471,854
Posted By Gary Brown

From the FAA EMERGENCY AIRWORTHINESS DIRECTIVE: ...

From the FAA EMERGENCY AIRWORTHINESS DIRECTIVE:

Runaway Stabilizer
In the event of an uncommanded horizontal stabilizer trim movement, combined with any of the following potential effects or...
10th Nov 2018, 13:24
Replies: 2,099
Views: 1,471,854
Posted By Gary Brown

Agreed! But I should have added that Boeing etc...

Agreed! But I should have added that Boeing etc will (I hope) have looked at the previous problem flights and their crews. It's at least possible that a picture from previous flights of UAS...
10th Nov 2018, 10:37
Replies: 2,099
Views: 1,471,854
Posted By Gary Brown

BTW, do we know whether the Boeing Bulletin was...

BTW, do we know whether the Boeing Bulletin was based on the early results from the recovered FDR, or are they based on details of the previous incidents with this a/c and/or this type?
9th Nov 2018, 07:20
Replies: 2,099
Views: 1,471,854
Posted By Gary Brown

At assorted points in this thread we've wondered...

At assorted points in this thread we've wondered whether the Memory/QRF section for an IAS Disagree included an alert about the StabTrim issue, or whether it's in a separate Memory/QRF section. What...
7th Nov 2018, 16:49
Replies: 2,099
Views: 1,471,854
Posted By Gary Brown

I thought this had come up earlier in the thread,...

I thought this had come up earlier in the thread, but now can't find it...

Is the auto-trim-in-manual-flight issue dealt with in the memory / QRHs for assorted UAS events? Or is it a separate...
3rd Nov 2018, 13:25
Replies: 2,099
Views: 1,471,854
Posted By Gary Brown

No ground crew mentioned the 3 red flags either;...

No ground crew mentioned the 3 red flags either; and, for that matter, no other taxying a/c saw or said anything.
3rd Nov 2018, 08:23
Replies: 2,099
Views: 1,471,854
Posted By Gary Brown

Like these...

Like these (https://www.atsb.gov.au/publications/investigation_reports/2018/aair/ao-2018-053/) ? Malaysian at Brisbane, pushing back, taking off and trying to climb with all 3 pitot cover streamers...
31st Oct 2018, 16:02
Replies: 2,099
Views: 1,471,854
Posted By Gary Brown

Worth adding that not one of the three AF447 crew...

Worth adding that not one of the three AF447 crew looked at the emergency checklist at all, nor even mentioned it. Easy to say from here, but those OFFs surely would have helped...... (BTW, though...
30th Oct 2018, 17:07
Replies: 2,099
Views: 1,471,854
Posted By Gary Brown

Though it's at least worth mentioning that AF447...

Though it's at least worth mentioning that AF447 carried a very good Airbus QRF too, with separate sections for Unreliable Airspeed in the Approach Phase and in the Cruise Phase. And that QRF says...
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