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3rd Oct 2019, 23:59
Replies: 270
Views: 339,604
Posted By slacktide

The aircraft in the aerial photo with the...

The aircraft in the aerial photo with the deflected trim tab has all four engines running. It is not a photo of the aircraft on the day of the accident. You can tell that it was not taken in...
23rd Aug 2019, 21:09
Replies: 4,007
Views: 3,552,409
Posted By slacktide

I'd suggest that you research what a hydrocracker...

I'd suggest that you research what a hydrocracker is, what it does, and what percentage of kerosene is straight-run distilled vs what percentage is cracked. A hydrocracker does not simply separate...
23rd Aug 2019, 18:54
Replies: 72
Views: 85,402
Posted By slacktide

I'm sure that you know this, but most people do...

I'm sure that you know this, but most people do not - the LCF has a restricted type certificate. Only cargo that supports Boeing business can be transported, and only the specific cargo that is...
22nd Aug 2019, 20:39
Replies: 4,007
Views: 3,552,409
Posted By slacktide

The atoms in the fuel are billions of years old. ...

The atoms in the fuel are billions of years old. The molecules are only a few weeks old, having been recently synthesized in a hydrocracker at the refinery.
2nd Aug 2019, 21:58
Replies: 6
Views: 2,444
Posted By slacktide

Boeing uses underwing float sticks on most models...

Boeing uses underwing float sticks on most models (excluding out-of-production with dripsticks, and 787, which does not have a mechanical fuel indication system. Don't know about 777x). The work...
4th May 2019, 06:39
Replies: 5,127
Views: 10,300,891
Posted By slacktide

Temper your emotion. The startle response has...

Temper your emotion. The startle response has been studied and documented for decades, and the results are used as a part of the design and certification of aircraft around the world. Instead of...
4th May 2019, 03:38
Replies: 5,127
Views: 10,300,891
Posted By slacktide

First - there is an IF statement before that...

First - there is an IF statement before that action. You only do it if the runaway continues after having selected STAB TRIM CUTOUT.

Second - that is the last memory item on the checklist, but it...
4th May 2019, 03:26
Replies: 5,127
Views: 10,300,891
Posted By slacktide

Cognitive dissonance... So, is the stick shaker...

Cognitive dissonance... So, is the stick shaker so startling and confusing that we should expect pilots to loose the ability to make rational judgements and control the aircraft when it is active,...
3rd May 2019, 23:37
Replies: 157
Views: 151,608
Posted By slacktide

Is that fact, or is it your opinion, or is it...

Is that fact, or is it your opinion, or is it someone else's opinion? Do you have any documentation of this that you can share?
3rd May 2019, 22:01
Replies: 5,127
Views: 10,300,891
Posted By slacktide

All aircraft experimental flight test campaigns...

All aircraft experimental flight test campaigns uncover issues which were not expected during the design of the aircraft, and require some sort of change to rectify. In the case of the 747-8, it was...
2nd May 2019, 20:48
Replies: 5,127
Views: 10,300,891
Posted By slacktide

So, a MD-11?

So, a MD-11?
2nd May 2019, 18:36
Replies: 5,127
Views: 10,300,891
Posted By slacktide

Fair questions. The relevant regulations are...

Fair questions. The relevant regulations are generally referred to as the "Changed Product Rule", and are documented in 14 CFR part 21.101 and 21.19. FAA Advisory Circular 21.101-18 provides...
1st May 2019, 21:43
Replies: 157
Views: 151,608
Posted By slacktide

Do you realize that you have just contradicted...

Do you realize that you have just contradicted your previous post, which claimed that MCAS was not added to manipulate stick feel? 25.173(c) is ALL ABOUT stick feel.

(c) The average gradient of...
1st May 2019, 20:34
Replies: 5,127
Views: 10,300,891
Posted By slacktide

This is one thing that has confused me in both...

This is one thing that has confused me in both accidents - not using the manual trim switches to return the aircraft to a fully trimmed condition. Even in a private pilot training syllabus, this is...
1st May 2019, 19:54
Replies: 5,127
Views: 10,300,891
Posted By slacktide

This is not quite correct. Only a subset of items...

This is not quite correct. Only a subset of items and events are subject to mandatory SDR reporting. The applicable regulation is 14 CFR Part 121.703. It is DEFINITELY not applicable to all items big...
1st May 2019, 18:20
Replies: 5,127
Views: 10,300,891
Posted By slacktide

This is a hazardous attitude which is harmful to...

This is a hazardous attitude which is harmful to aviation safety. Pointing out that the pilot's actions were seriously deficient in no way exonerates Boeing. It is clear that Boeing's design of...
1st May 2019, 17:47
Replies: 5,127
Views: 10,300,891
Posted By slacktide

Please show us where in the preliminary report...

Please show us where in the preliminary report timeline that the crew diagnosed the UAS, and took any action that was consistent with following the UAS NNC checklist.[/left]...
1st May 2019, 17:34
Replies: 5,127
Views: 10,300,891
Posted By slacktide

Yes, it was. The "automatics" failed by...

Yes, it was. The "automatics" failed by providing undesired and uncommanded control inputs, but this was not the initiating failure that the pilots failed to react to. MCAS did not become a factor...
30th Apr 2019, 17:13
Replies: 5,127
Views: 10,300,891
Posted By slacktide

How did you arrive at that interpretation of the...

How did you arrive at that interpretation of the press release? Because I arrived at the exact opposite conclusion. Boeing has admitted that they screwed up by tying the activation of the AOA...
25th Apr 2019, 19:30
Replies: 5,127
Views: 10,300,891
Posted By slacktide

That's also the FAA's position, at least based on...

That's also the FAA's position, at least based on the most recent FSB report draft. https://www.faa.gov/aircraft/draft_docs/media/afx/FSBR_B737_Rev17_draft.pdf

B-737-MAX Maneuvering...
25th Apr 2019, 19:22
Replies: 5,127
Views: 10,300,891
Posted By slacktide

2 things - 1) Do you have a reference for...

2 things -

1) Do you have a reference for what AOA MCAS activates at when compared to the stickshaker AOA, preferably from a primary source, i.e. the manufacturer, a regulatory body, or similar? ...
23rd Apr 2019, 02:12
Replies: 908
Views: 948,075
Posted By slacktide

That is not a published reference. It's...

That is not a published reference. It's speculation by the author of the article, not a part of the statement by Boeing. Heck, he doesn't even claim it uses one method or another, just speculates...
22nd Apr 2019, 23:45
Replies: 22
Views: 12,147
Posted By slacktide

Well, have a look at the Emergency AD that the...

Well, have a look at the Emergency AD that the FAA issued on April 18 to ground all Cirrus SF50 light jets.
...
22nd Apr 2019, 23:04
Replies: 3
Views: 5,338
Posted By slacktide

It looks like the AD has you check that the fire...

It looks like the AD has you check that the fire handle can be pulled, but does not require you to try to rotate it. It seems like it would be useful to disable the "FIRE EXT BOTTLE" breakers and...
22nd Apr 2019, 22:47
Replies: 908
Views: 948,075
Posted By slacktide

No, it does not. If you believe that it does,...

No, it does not. If you believe that it does, please provide a published reference.

Although you can use the indicated airspeed, groundspeed, pitch angle, and rate of climb to try to estimate AoA,...
Showing results 1 to 25 of 58
 


 
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