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Search: Posts Made By: SteinarN
Showing results 1 to 35 of 140
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Forum: Rumours & News
11th Apr 2022, 08:22
Replies: 604
Views: 1,072,369
Posted By SteinarN

Leeham in a subscription article states that...

Leeham in a subscription article states that investigators are leaning towards suicide as the cause of the crash.


...
Forum: Rumours & News
31st Mar 2022, 09:57
Replies: 604
Views: 1,072,369
Posted By SteinarN

Well, I think it is generally accepted that the...

Well, I think it is generally accepted that the third pilot on the Qantas A380 uncontained engine incident was extremely usefull in securing a positive outcome and bringing the aircraft safely down...
Forum: Rumours & News
30th Mar 2022, 15:09
Replies: 604
Views: 1,072,369
Posted By SteinarN

I think something like this could easily have...

I think something like this could easily have been the triggering cause for the crash. Except no clutch slippage but some other reason for asymetric thrust. Or at least one of several more likely...
Forum: Rumours & News
28th Mar 2022, 13:58
Replies: 604
Views: 1,072,369
Posted By SteinarN

I made an argument the left roll (there can be no...

I made an argument the left roll (there can be no doubt that a left roll was the start of the flight path deviation) could most likely be caused by either an uncommanded rudder movement or an engine...
Forum: Rumours & News
22nd Mar 2021, 19:33
Replies: 7
Views: 5,510
Posted By SteinarN

It seems like there was not much flaps extended. ...

It seems like there was not much flaps extended.
Could it be a hydraulic failure affecting both the gear and flaps?
Forum: Rumours & News
22nd Feb 2021, 13:49
Replies: 84
Views: 42,173
Posted By SteinarN

osborne And you could have mentioned the A220...

osborne
And you could have mentioned the A220 that Airbus got almost for free too.

Boeing have one modern and highly competive aircraft family, the nine abreast B787. I will say the modern ten...
Forum: Rumours & News
13th Feb 2021, 12:01
Replies: 871
Views: 965,513
Posted By SteinarN

Very interesting. We have heard here that the...

Very interesting.
We have heard here that the crew should have noticed the large control wheel movement before the AP disconnected.
The aircraft was supposed to turn right in the timeframe just...
Forum: Rumours & News
11th Feb 2021, 12:46
Replies: 871
Views: 965,513
Posted By SteinarN

We have a good idea they was comunicating with...

We have a good idea they was comunicating with ATC several times, they was configuring the aircraft for cruise, they was manipulating the AP for heading AND level change, they certainly have been...
Forum: Rumours & News
11th Feb 2021, 09:27
Replies: 130
Views: 49,635
Posted By SteinarN

Ok. No thinking required, only follow...

Ok.
No thinking required, only follow predetermind rules, sounds good....
Now we can expand those no-thinking-rules to all parts of the flight, easy....
Then we have no-thinking for the full...
Forum: Rumours & News
10th Feb 2021, 14:36
Replies: 871
Views: 965,513
Posted By SteinarN

Old King Coal Is that your pic? Does it happen...

Old King Coal
Is that your pic? Does it happen the levers are that much split with the same N1?
Forum: Rumours & News
10th Feb 2021, 07:19
Replies: 871
Views: 965,513
Posted By SteinarN

Left engine thrust lever and corresponding left...

Left engine thrust lever and corresponding left engine N1 decreasing. Pilots preocupied with ATC communication and bad weather, requesting heading change due to weather and then ATC ordering leveling...
Forum: Rumours & News
11th Jan 2021, 00:54
Replies: 871
Views: 965,513
Posted By SteinarN

tdracer I agree. Peter Lemme at...

tdracer

I agree.

Peter Lemme at Satcomguru are open for the idea that the data so far (ADSB data) might suggest that the aircraft may have rolled to the left, through inverted and nearing wings...
Forum: Rumours & News
10th Jan 2021, 14:15
Replies: 871
Views: 965,513
Posted By SteinarN

I tend to agree with your guess that the...

I tend to agree with your guess that the aircrafts initial departure from normal flight was a left bank past 90 degree with an increasing nose down (relative to the horizon) attitude.
We will soon...
Forum: Rumours & News
21st Jul 2020, 10:43
Replies: 1,271
Views: 1,050,719
Posted By SteinarN

According to Leeham News and Analysis...

According to Leeham News and Analysis (https://leehamnews.com/2020/07/21/hotr-norwegian-claims-1bn-in-damages-from-boeing/), Norwegian have filed a claim against Boeing for more than US$1B.
The...
Forum: Safety, CRM, QA & Emergency Response Planning
27th Feb 2020, 08:38
Replies: 20
Views: 12,968
Posted By SteinarN

procede The number of accidents will go up...

procede

The number of accidents will go up by 1 as you say. But the number of flights will not increase that much as the Max was flying for only eleven weeks in 2019.

But you are right, the...
Forum: Safety, CRM, QA & Emergency Response Planning
27th Feb 2020, 05:53
Replies: 20
Views: 12,968
Posted By SteinarN

And next year that graph will go off the scale at...

And next year that graph will go off the scale at a value of around 13...
Forum: Rumours & News
28th Jan 2020, 17:19
Replies: 152
Views: 70,777
Posted By SteinarN

And one other point; had the pilots done...

And one other point;
had the pilots done absolutely nothing then the plane would have continued flying level and straight. It was the action from the pilots that actually brought it down. And even...
Forum: Military Aviation
27th Jan 2020, 20:29
Replies: 99
Views: 118,798
Posted By SteinarN

Exactly my thought too. There is a lot of black...

Exactly my thought too.
There is a lot of black soot on the upper left side of the vertical stabilizer. But there is no sign on the ground of any fire in that area.
Forum: Rumours & News
9th Jan 2020, 14:47
Replies: 685
Views: 1,737,223
Posted By SteinarN

Yes. And the mics would pick up sounds from...

Yes. And the mics would pick up sounds from explosions too, be it engine explosions or other external explosions.
Forum: Rumours & News
22nd Dec 2019, 18:46
Replies: 288
Views: 358,180
Posted By SteinarN

Some more, actually the complete nytimes piece,...

Some more, actually the complete nytimes piece, sorry for the formatting;

"The global grounding of the 737 Max...
Forum: Rumours & News
30th Oct 2019, 17:46
Replies: 4,656
Views: 4,806,102
Posted By SteinarN

Damn, Mr Cohen REALLY gave it to Muilenburg :E

Damn, Mr Cohen REALLY gave it to Muilenburg :E
Forum: Rumours & News
30th Oct 2019, 15:58
Replies: 4,656
Views: 4,806,102
Posted By SteinarN

Is there a link to todays hearing?

Is there a link to todays hearing?
Forum: Rumours & News
23rd Oct 2019, 12:51
Replies: 19
Views: 11,502
Posted By SteinarN

Boeing to cut 787 output from 14 to 12 monthly from late 2020

According to Leeham, Boeing is going to cut 787 production for two years citing global trade environment (read: Trump)

Boeing then seems to plan to increase production again from late 2022. But to...
Forum: Rumours & News
21st Oct 2019, 10:59
Replies: 4,656
Views: 4,806,102
Posted By SteinarN

Wasn't the need to extend MCAS to the low speed...

Wasn't the need to extend MCAS to the low speed 1G region only discovered fairly late in the flight test campaign? I am sure I've read that from a reliable(?) source, could be Leeham or SatcomGuru....
Forum: Rumours & News
7th Sep 2019, 19:53
Replies: 170
Views: 224,215
Posted By SteinarN

I would say redesigning the fuselage frames...

I would say redesigning the fuselage frames making the frame height lower but probably increase the thickness of the material in the frame in order the make the cabin wider is a significant...
Forum: Rumours & News
5th Sep 2019, 10:09
Replies: 4,656
Views: 4,806,102
Posted By SteinarN

As i said, I had to make several assumptions, the...

As i said, I had to make several assumptions, the most major assumption was at what AOA the MCAS starts, and at what AOA MCAS reaches its full travel. If MCAS starts putting in AND at 10 degrees AOA...
Forum: Rumours & News
5th Sep 2019, 09:37
Replies: 4,656
Views: 4,806,102
Posted By SteinarN

A couple months ago I tried to make a...

A couple months ago I tried to make a back-of-the-envelope calculation on what the elevator forces/positions would be in the 10-14 AOA region. Ofc I had to make several assumptions, like that the...
Forum: Rumours & News
4th Sep 2019, 13:03
Replies: 4,656
Views: 4,806,102
Posted By SteinarN

And at the same time Boeing obviously did NOT...

And at the same time Boeing obviously did NOT expect the pilots do diagnose a correct MCAS activation in a real high AOA event as trim runaway. How did Boeing figure this out, that the pilots would...
Forum: Rumours & News
22nd Jul 2019, 17:22
Replies: 4,656
Views: 4,806,102
Posted By SteinarN

The first Ariane 5 launch failure in the 90's...

The first Ariane 5 launch failure in the 90's would be a prime example for just such a software error.
Forum: Rumours & News
10th Jul 2019, 11:40
Replies: 4,656
Views: 4,806,102
Posted By SteinarN

That is correct. There is several...

That is correct.

There is several similarities between those two professions.

The control software of complicated refrigeration plants occasionally contains one or more serious flaws.
The...
Forum: Rumours & News
9th Jul 2019, 21:41
Replies: 4,656
Views: 4,806,102
Posted By SteinarN

737 driver to name one was very assertive about...

737 driver to name one was very assertive about just that. He made it sound so easy, too easy in my view.
Forum: Rumours & News
8th Jul 2019, 14:23
Replies: 4,656
Views: 4,806,102
Posted By SteinarN

Very interesting. So, lets say the pilots...

Very interesting.

So, lets say the pilots mismanages the speed, for example autothrottle disconnected without pilots noticing. Speed decayes, AOA increases, passes MCAS treshold, MCAS start to put...
Forum: Rumours & News
8th Jul 2019, 07:11
Replies: 4,656
Views: 4,806,102
Posted By SteinarN

MCAS is a lot faster, actually 50 percent faster....

MCAS is a lot faster, actually 50 percent faster. It trims at 0.27 units/second versus main electric trim at 0.18 units/second with flaps up.

So, 9.2 seconds MCAS needs a whopping 13.8 seconds of...
Forum: Rumours & News
5th Jul 2019, 04:42
Replies: 4,656
Views: 4,806,102
Posted By SteinarN

I saw your post before it got deleted. Try to...

I saw your post before it got deleted. Try to post it again. It was a factual mathematical chart, should be no reason whatsoever to delete it.
Forum: Rumours & News
2nd Jul 2019, 10:32
Replies: 4,656
Views: 4,806,102
Posted By SteinarN

I didnt say anything about thermal protection of...

I didnt say anything about thermal protection of the IGBT, I was only adding that there could well be that there was thermal sensing of the windings in the motor. But ofc, that is pure specualtion...
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