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Search: Posts Made By: MemberBerry
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19th Oct 2019, 20:52
Replies: 3,261
Views: 2,843,415
Posted By MemberBerry

Wow. Accusations of fraud coming from the pilots...

Wow. Accusations of fraud coming from the pilots of one of Boeing's largest customers... Not a good week for Boeing.
15th Oct 2019, 04:31
Replies: 84
Views: 18,651
Posted By MemberBerry

MCAS actually runs 50% faster than the main...

MCAS actually runs 50% faster than the main electric trim. Are you sure that you and the journalist you don't always agree with are not the same person? You seem to have a similar tendency of...
12th Oct 2019, 14:05
Replies: 3,261
Views: 2,843,415
Posted By MemberBerry

This is the section of the JATR report discussing...

This is the section of the JATR report discussing the relation between stall behavior and MCAS, I highlighted the parts I found interesting:



I found especially interesting that last finding,...
11th Oct 2019, 23:24
Replies: 3,261
Views: 2,843,415
Posted By MemberBerry

Thanks. Here we had long discussions over where...

Thanks. Here we had long discussions over where the balance should be between "let's make aircraft designs better" and "let's train pilots better". Related to that, I found an interesting statement...
6th Oct 2019, 23:18
Replies: 3,261
Views: 2,843,415
Posted By MemberBerry

Actually, it matters. Saying it doesn't matter is...

Actually, it matters. Saying it doesn't matter is like saying it doesn't matter if an aircraft has 2 or 3 FCCs and AOA vanes.
1st Oct 2019, 05:24
Replies: 3,261
Views: 2,843,415
Posted By MemberBerry

I was thinking that even axial forces could...

I was thinking that even axial forces could increase the friction between the ball nut and the screw. I know a ball nut has much lower friction compared to a regular nut, but I'm not sure how it...
1st Oct 2019, 04:33
Replies: 3,261
Views: 2,843,415
Posted By MemberBerry

I believe it is the aerodynamic load causing it,...

I believe it is the aerodynamic load causing it, but indirectly. I believe the aerodynamic loads on the stabilizer and the elevator cause increased friction between the nut and the jack screw.


...
29th Sep 2019, 16:05
Replies: 3,261
Views: 2,843,415
Posted By MemberBerry

[/left] From what I understand the system is...

[/left]
From what I understand the system is indeed designed so that holding the trim wheels while the electric motor is adjusting the trim will disengage the electric motor, via a clutch mechanism....
29th Sep 2019, 00:05
Replies: 3,261
Views: 2,843,415
Posted By MemberBerry

Having to apply significant force to the control...

Having to apply significant force to the control column to counter the out of trim stabilizer might make it difficult to use the thumb switches. For example the Ethiopian captain asked the FO to help...
23rd Sep 2019, 09:25
Replies: 3,261
Views: 2,843,415
Posted By MemberBerry

Not a pilot. In the MAX threads there was a...

Not a pilot. In the MAX threads there was a comment from a 737 captain some time ago, regarding a discussion he was having about MCAS with his first officer. He said that during the discussion he...
12th Sep 2019, 21:11
Replies: 3,261
Views: 2,843,415
Posted By MemberBerry

Maybe they plan to address it indirectly through...

Maybe they plan to address it indirectly through the "Improved crew procedures (and associated training)" part of the proposed solutions. For example by re-including the "roller-coaster" technique in...
12th Sep 2019, 19:56
Replies: 3,261
Views: 2,843,415
Posted By MemberBerry

From those slides presented to the European...

From those slides presented to the European Parliament, EASA said they found 4 significant technical problems that would need to be addressed:



And, according to the same slides, the solutions...
11th Sep 2019, 02:27
Replies: 3,261
Views: 2,843,415
Posted By MemberBerry

Actually that's probably what happened to the...

Actually that's probably what happened to the Lion Air accident flight, not to the Ethiopian flight. There was not much trimming done on the Ethiopian flight, but on the Lion Air accident flight they...
7th Sep 2019, 07:18
Replies: 114
Views: 116,822
Posted By MemberBerry

Are the cargo doors on the 777X plug doors? That...

Are the cargo doors on the 777X plug doors? That seems unlikely. The doors from the 777-300ER don't seem to be plug doors:

https://i.ytimg.com/vi/539ZeAbu7yk/maxresdefault.jpg
7th Sep 2019, 05:27
Replies: 3,261
Views: 2,843,415
Posted By MemberBerry

It's interesting that the EASA presentation...

It's interesting that the EASA presentation included a graphical description of MCAS by AFP, calling it an "anti-stall system":
...
27th Aug 2019, 17:03
Replies: 3,261
Views: 2,843,415
Posted By MemberBerry

The article from Der Spiegel pointed out...

The article from Der Spiegel pointed out something interesting: with all the outsourcing Boeing did for component manufacturing, it should now be easier for new aircraft manufacturers to emerge,...
26th Aug 2019, 00:47
Replies: 3,261
Views: 2,843,415
Posted By MemberBerry

I might be wrong, but I don't remember anything...

I might be wrong, but I don't remember anything suggesting the Ethiopian captain handed the controls over to the first officer. According to the preliminary report the captain asked the FO to help...
26th Aug 2019, 00:27
Replies: 3,261
Views: 2,843,415
Posted By MemberBerry

Still, even with the aircraft severely out of...

Still, even with the aircraft severely out of trim, with unreliable airspeed and altitude information, the airspeed around VMO, stick shaker and other distractions, the pilots managed too keep the...
25th Aug 2019, 21:08
Replies: 3,261
Views: 2,843,415
Posted By MemberBerry

I realized how confusing the situation would have...

I realized how confusing the situation would have been for the Ethiopian captain after working on my comment comparing the differences between the pressure altitudes computed on the left side and the...
25th Aug 2019, 20:33
Replies: 240
Views: 256,220
Posted By MemberBerry

I didn't accuse the Russian pilots of anything....

I didn't accuse the Russian pilots of anything. They probably had more important stuff to focus on at the time, and based on the outcome they did an excellent job prioritizing what should be done...
25th Aug 2019, 18:17
Replies: 3,261
Views: 2,843,415
Posted By MemberBerry

No idea how exactly Reuters created that graph,...

No idea how exactly Reuters created that graph, but it doesn't seem to match what happened accurately at all:
...
24th Aug 2019, 00:53
Replies: 240
Views: 256,220
Posted By MemberBerry

According to Wikipedia, there are quite a few...

According to Wikipedia, there are quite a few variations even in English, depending on the airline:



https://en.wikipedia.org/wiki/Brace_position

If the Sully movie was accurate, and I...
23rd Aug 2019, 23:31
Replies: 3,261
Views: 2,843,415
Posted By MemberBerry

Not a pilot. FAA's assumption that during manual...

Not a pilot. FAA's assumption that during manual flight pilots will begin to respond to emergencies within one second sounds reasonable, if we take "will begin to respond" literally.

A study about...
Forum: Jet Blast
18th Aug 2019, 19:49
Replies: 120
Views: 27,668
Posted By MemberBerry

Regardless of the opinions about what should have...

Regardless of the opinions about what should have been or not have been done in such a situation, I think the airline should have a consistent policy and clear procedures regarding this, and it...
Forum: Jet Blast
18th Aug 2019, 18:28
Replies: 120
Views: 27,668
Posted By MemberBerry

No, I did not. But, based on what you quoted from...

No, I did not. But, based on what you quoted from the message you were replying to, you seemed to be asking examples of "not been able to resuscitate after an anaphylactic episode". That example...
Showing results 1 to 25 of 114
 


 
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