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10th Jul 2019, 15:44
Replies: 1,502
Views: 1,130,893
Posted By PJ2

#1291...

#1291 https://www.pprune.org/rumours-news/621879-max-s-return-delayed-faa-reevaluation-737-safety-procedures-65.html#post10514451

Hello John, good to hear from you on the topic. Indeed, the media...
8th Jul 2019, 06:05
Replies: 1,502
Views: 1,130,893
Posted By PJ2

Emerging from Turbulence: Boeing and Stories of...

Emerging from Turbulence: Boeing and Stories of the American Workplace Today Hardcover – Oct 15 2015
by Leon Grunberg (Author), Sarah Moore (Author)


Evening, Lonewolf_50:ok:
21st May 2019, 15:11
Replies: 82
Views: 83,388
Posted By PJ2

Well, that's a key question requiring an answer:...

Well, that's a key question requiring an answer: Was an FMEA process done specifically for MCAS & if not, why not, or was an earlier FMEA relied upon, & why? An earlier FSB document* did not mention...
Forum: Tech Log
20th May 2019, 16:08
Replies: 26
Views: 6,006
Posted By PJ2

The iPhone, (using a 6s), has a magnetic compass...

The iPhone, (using a 6s), has a magnetic compass feature which, if one swipes left, turns into a horizon, and when placed on a flat surface, a level. It needs calibration so not sure how useful it...
19th May 2019, 16:00
Replies: 82
Views: 83,388
Posted By PJ2

Megan, Zeffy, thanks for your responses. A...

Megan, Zeffy, thanks for your responses.

A crossroads of a sort is emerging: "How much automation, how much pilot?". Are systems really "too complex"? Are pilots in over their head when confronted...
17th May 2019, 22:19
Replies: 82
Views: 83,388
Posted By PJ2

Disagree strongly with this thesis. The...

Disagree strongly with this thesis.

The problem is going cheap and lazy on training, training, training. These are not complicated systems for the average airline pilot of average ability but with...
6th May 2019, 20:32
Replies: 5,129
Views: 10,190,884
Posted By PJ2

Was this video done in a B737MAX simulator? If...

Was this video done in a B737MAX simulator? If so, who's simulator, and if not, we need to know how an NG simulator re-produces MCAS behaviour such that the demonstration is a valid one.
26th Apr 2019, 02:31
Replies: 125
Views: 192,651
Posted By PJ2

I have had plug reversals on a hydraulic pump,...

I have had plug reversals on a hydraulic pump, (A333, green/yellow, #2 engine) and I've also had the stick briefly to the stops in the flare when a crosswind picked up a wing, (A320), but a control...
15th Apr 2019, 15:59
Replies: 5,129
Views: 10,190,884
Posted By PJ2

Precisely. Did they follow their own advice...?

Precisely. Did they follow their own advice...?
15th Apr 2019, 15:01
Replies: 5,129
Views: 10,190,884
Posted By PJ2

Long-time operators of the B737, the Brazillians...

Long-time operators of the B737, the Brazillians examined the type and created 3 types for the B737 in their 2018 ANAC Report.

First, the FAA FSB Report, then the Brazillian Report:

From the...
Forum: Tech Log
13th Apr 2019, 13:24
Replies: 11
Views: 4,055
Posted By PJ2

FAA B787 AD ...

FAA B787 AD
http://rgl.faa.gov/Regulatory_and_Guidance_Library/rgad.nsf/0/1ec66e66cebd9d2b862583a2005085f6/$FILE/2019-01-04.pdf
9th Apr 2019, 11:16
Replies: 5,129
Views: 10,190,884
Posted By PJ2

Most of this has been reviewed in the thread...

Most of this has been reviewed in the thread elsewhere, but to perhaps summarize from a B737-400 AMM describing the HS trim system:The horizontal stabilizer trim control system provides longitudinal...
9th Apr 2019, 10:29
Replies: 5,129
Views: 10,190,884
Posted By PJ2

LR, Yanrair, we used IRS GS for monitoring...

LR, Yanrair, we used IRS GS for monitoring headwind correction. Did that on the DC8 too using the INS, from the early 70's on, as a formal, (book) procedure. The Lockheed, (100 & 500), didn't have...
Forum: Tech Log
7th Apr 2019, 17:12
Replies: 54
Views: 34,523
Posted By PJ2

Hi Derfred; Reading your posts on the Boeing...

Hi Derfred;

Reading your posts on the Boeing and your discussions with other members with interest, thanks.

I posted the info purely because it didn't seem to be anywhere to be found in any of...
7th Apr 2019, 16:38
Replies: 5,129
Views: 10,190,884
Posted By PJ2

TTail, Fullwings, +1.

TTail, Fullwings, +1.
Forum: Tech Log
7th Apr 2019, 09:10
Replies: 54
Views: 34,523
Posted By PJ2

Yes, the manual trim wheels use cables to adjust...

Yes, the manual trim wheels use cables to adjust the HS. This is why either wheel can be held by a crew member to stop any undesired trimming.

The trim wheels have a retractable handle to make...
5th Apr 2019, 17:55
Replies: 5,129
Views: 10,190,884
Posted By PJ2

The key, as stated by Ranrair, (which see above)...

The key, as stated by Ranrair, (which see above) is to react immediately, before the trim gets beyond the point where the only functioning control is the mechanical trim wheel & cable drum.

The...
5th Apr 2019, 11:07
Replies: 5,129
Views: 10,190,884
Posted By PJ2

Thanks, Alpine Flyer, yes, that seemed reasonable...

Thanks, Alpine Flyer, yes, that seemed reasonable to me too.
5th Apr 2019, 11:05
Replies: 5,129
Views: 10,190,884
Posted By PJ2

Yanrair, all 5 points well-worth reading and...

Yanrair, all 5 points well-worth reading and memorizing. Thank you for a fellow aviator's recollections from those days - they remain as valuable and potentially life-saving as ever. I don't know...
5th Apr 2019, 09:34
Replies: 5,129
Views: 10,190,884
Posted By PJ2

While the gee is slightly less than 0g, the arms...

While the gee is slightly less than 0g, the arms may fly up momentarily, but the crew would be belted-in, perhaps with the shoulder-straps still on, (though they may have been removed for greater...
5th Apr 2019, 09:25
Replies: 5,129
Views: 10,190,884
Posted By PJ2

Is that what it is?...250 turns of the trim wheel...

Is that what it is?...250 turns of the trim wheel from stop to stop? That info wasn't available anywhere in the AMM, the FCOM or even the FCTM. Like some, I wondered how many turns it was, so thanks....
27th Mar 2019, 19:59
Replies: 5,129
Views: 10,190,884
Posted By PJ2

I understand from having read earlier in the...

I understand from having read earlier in the thread that both AoA sensors are used but only one at a time, on alternating flight legs, between the left & right FCCs which are fed by the left & right...
25th Mar 2019, 19:58
Replies: 5,129
Views: 10,190,884
Posted By PJ2

Smile Hi Bernd; I'm sure Professor Dekker won't mind...

Hi Bernd;
I'm sure Professor Dekker won't mind a bit!

As you'd know, he also states, "What (you think) should've happened cannot explain people's behaviour", (The Field Guide to Understanding...
21st Mar 2019, 23:16
Replies: 5,129
Views: 10,190,884
Posted By PJ2

Plus 1, gums

Plus 1, gums
20th Mar 2019, 22:30
Replies: 5,129
Views: 10,190,884
Posted By PJ2

https://www.reuters.com/article/us-ethiopia-airpla...

https://www.reuters.com/article/us-ethiopia-airplane/boeing-faa-officials-called-to-testify-in-u-s-senate-on-737-max-plane-crashes-idUSKCN1R11AK
March 20, 2019 / 4:39 AM / Updated 7 minutes...
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