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31st Jul 2020, 12:01
Replies: 96
Views: 53,386
Posted By silverstrata

The trouble used to be that it was impossible to...

The trouble used to be that it was impossible to to get compassionate days off. And if you made a request that was turned down (as they all were), you had openly declared your hand - and could not...
26th May 2020, 19:37
Replies: 1,657
Views: 2,641,421
Posted By silverstrata

Are those kind of descent rates possible on final...

Are those kind of descent rates possible on final approach, without the gear?
They went from 2000’ to 100’ in 1.4 minutes, while slowing down from 240 to 210 kts.
That is about 1500’/min, while...
24th May 2020, 09:40
Replies: 1,657
Views: 2,641,421
Posted By silverstrata

Well said. And yet there are STILL airlines out...

Well said.
And yet there are STILL airlines out there, that call positive rate instead of positive climb.

In addition to your reasoning, inertial vertical speed indicators will show a false...
27th Feb 2020, 14:07
Replies: 60
Views: 40,620
Posted By silverstrata

They will be breaking up brand new B737 Maxs...

They will be breaking up brand new B737 Maxs soon...

Silver
13th Feb 2020, 22:02
Replies: 76
Views: 33,834
Posted By silverstrata

Eh? The pilots chose the wrong descent mode -...

Eh? The pilots chose the wrong descent mode - rate of descent instead of angle of descent.
While you might claim ergonomic deficiencies were involved, and I would probably agree, the aircraft did...
13th Feb 2020, 12:01
Replies: 76
Views: 33,834
Posted By silverstrata

Yes, all the NG flap and slat-tracks had to be...

Yes, all the NG flap and slat-tracks had to be replaced, because the bearings had seized.
And now all the pickle-forks should be replaced.
The NG was not as well engineered as the Classic, and the...
12th Feb 2020, 09:26
Replies: 76
Views: 33,834
Posted By silverstrata

Think you are wrong there. Unlike all other...

Think you are wrong there. Unlike all other aircraft, the 737 had a single rudder PCU. (A bit like MCAS only using one AoA sensor - you would have thought Boeing would have learned by now that two...
5th Feb 2020, 17:47
Replies: 33
Views: 13,978
Posted By silverstrata

With respect, I don’t agree. We had many a fume...

With respect, I don’t agree. We had many a fume events on 146s (containing organophosphates), from leaky seals.
And worse of all was the APU, which could fill the cabin with blue smoke (containing...
20th Dec 2019, 20:35
Replies: 214
Views: 189,892
Posted By silverstrata

Probably because he pushed zero or negative g. ...

Probably because he pushed zero or negative g. In the gliding world, they do a lot of training on the difference between zero g and a stall, but that is not always so in power flying. Zero g can...
8th Dec 2019, 17:10
Replies: 182
Views: 257,283
Posted By silverstrata

Looks like Boeing intends recruiting hundreds of...

Looks like Boeing intends recruiting hundreds of 737 drivers, to deliver all these grounded Maxes.

Anyone know who is doing the recruiting?
...
14th Nov 2019, 11:01
Replies: 4,656
Views: 4,285,397
Posted By silverstrata

No, but if they discovered a discrepancy, they...

No, but if they discovered a discrepancy, they could turn the whole system off for the rest of the flight. Although this is not ideal, and a tri-voting system would be better, turning the system off...
10th Nov 2019, 18:05
Replies: 4,656
Views: 4,285,397
Posted By silverstrata

I noticed this comment a few times in the Seattle...

I noticed this comment a few times in the Seattle newspaper. But on those FDR traces of the Ethiopian accident, it clearly shows that full back elevator was being applied (at the very end), and the...
8th Nov 2019, 23:09
Replies: 4,656
Views: 4,285,397
Posted By silverstrata

The original 737 hardware was the 286 processor,...

The original 737 hardware was the 286 processor, and they were still using it in the NG.
If the same is true for the Max, the number of Silicon Valley techies who understand this antiquated system...
20th Oct 2019, 08:48
Replies: 4,656
Views: 4,285,397
Posted By silverstrata

Err this is the commercial world. You cannot...

Err this is the commercial world.
You cannot take your biggest customer to court....

Silver
19th Oct 2019, 15:59
Replies: 4,656
Views: 4,285,397
Posted By silverstrata

LowObservable. You forget that number 3. is...

LowObservable.

You forget that number 3. is also widespread in smaller airlines and some third world airlines. That is why most aircraft have multiple redundancies, and don’t have safety-critical...
19th Oct 2019, 12:17
Replies: 4,656
Views: 4,285,397
Posted By silverstrata

These were not the test pilots, these were the...

These were not the test pilots, these were the technical pilots who were trying to write up the systems for regulators and operators. Later on, these two complain that the test pilots were not...
19th Oct 2019, 12:10
Replies: 4,656
Views: 4,285,397
Posted By silverstrata

Think about it. These are the technical pilots...

Think about it. These are the technical pilots who liaise with the FAA and write the manuals, and they seem to have no idea how MCAS works. As you say, they are conflating MCAS with Speed Trim, and...
4th Sep 2019, 13:07
Replies: 4,656
Views: 4,285,397
Posted By silverstrata

In other words, a MCAS failure was being...

In other words, a MCAS failure was being deliberately obscured as a trim runaway - when it was not. A trim runaway does not start and stop. A trim runaway is not triggered by a single faulty AofA...
23rd Aug 2019, 10:28
Replies: 4,656
Views: 4,285,397
Posted By silverstrata

A basic tenet of aviation, is you are not...

A basic tenet of aviation, is you are not supposed to (allowed to) use the trimmer as a primary flight control. It is only there to remove stick loads, after a manoeuvre has been completed. You can...
23rd Aug 2019, 10:17
Replies: 4,656
Views: 4,285,397
Posted By silverstrata

Interesting analysis. He says there: ...

Interesting analysis. He says there:



Since when has aviation done anything other than dual architecture?
Who in the Boeing design team thought single architecture was a good idea?
Who in...
22nd Aug 2019, 07:54
Replies: 149
Views: 128,767
Posted By silverstrata

Actual terms and conditions

The Daily Mail is reporting that Ryan pilots get £175k per annum, and are demanding £375k per annum.

Can someone post here (and on the D.M.) the actual salaries, and the demands being made,...
6th Apr 2019, 22:43
Replies: 5,120
Views: 10,500,116
Posted By silverstrata

These incidents are simply a continuation of the...

These incidents are simply a continuation of the basic 737 problem - that the design is too old, and would not pass modern certification. So we had...

Single rudder actuators, that had a tendency...
5th Apr 2019, 16:17
Replies: 5,120
Views: 10,500,116
Posted By silverstrata

Quick summary of events - please amend as...

Quick summary of events - please amend as necessary.
.

1. On take off, one of the AoA vanes is damaged.

2. 2 seconds after take off, stick shaker activates, resulting in understandable nose...
24th Mar 2019, 16:05
Replies: 908
Views: 977,789
Posted By silverstrata

Another reason for all modern engines being a...

Another reason for all modern engines being a long way forward, is so that ‘fly-away’ blades do not go straight through the wing. (JT8D blades were much smaller, and the diameter if the engine was...
18th Mar 2019, 19:16
Replies: 5,120
Views: 10,500,116
Posted By silverstrata

Clearly MCAS is not a runnaway trim condition,...

Clearly MCAS is not a runnaway trim condition, otherwise we would be reaching for the cut-out switches every time the speed-trim operated. I think some people here do not realise that the trimmer...
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