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Search: Posts Made By: jagema
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Forum: Tech Log
30th Aug 2019, 17:28
Replies: 9
Views: 4,027
Posted By jagema

This might help you buddy. C172S Electrical...

This might help you buddy.

C172S Electrical System (http://media.avit.und.edu/c172sElectrical/index.html)
Forum: Rumours & News
5th Apr 2019, 02:05
Replies: 5,109
Views: 13,213,611
Posted By jagema

What I still find baffling is why both pilots...

What I still find baffling is why both pilots kept pulling back on the controls and barely ever tried to trim the forces off.

I'd imagine if I felt the nose heavy (whether it was MCAS at it or...
Forum: Rumours & News
4th Apr 2019, 16:03
Replies: 5,109
Views: 13,213,611
Posted By jagema

Preliminary report and FDR data are out. It...

Preliminary report and FDR data are out.

It appears MCAS did in fact make several Stab Nose-down inputs.

Pilots trimmed back up and selected switches to CUTOUT. But the stab remained in a nose...
Forum: Rumours & News
4th Apr 2019, 10:18
Replies: 5,109
Views: 13,213,611
Posted By jagema

The report should have been issued four hours ago...

The report should have been issued four hours ago if you go by what the Ethiopian authorities had said. Its release seems to have been delayed, but we are getting bits of information from different...
Forum: Rumours & News
4th Apr 2019, 09:12
Replies: 5,109
Views: 13,213,611
Posted By jagema

Speculatively with both pilots hauling back on...

Speculatively with both pilots hauling back on the control column and no electric trim, the moment any of them lets go to give the wheel a try the nose would dip down again. Additionally, at nose low...
Forum: Rumours & News
3rd Apr 2019, 22:38
Replies: 5,109
Views: 13,213,611
Posted By jagema

Precisely what I meant by "correct." We are...

Precisely what I meant by "correct." We are saying the same thing. MCAS obeys all switches except for the aft and fwd motion of the column, essentially.

Edit: I thought I read control column...
Forum: Rumours & News
3rd Apr 2019, 22:18
Replies: 5,109
Views: 13,213,611
Posted By jagema

This is correct except that it's the control...

This is correct except that it's the control column cutout switches that do not have authority.



There is a forward and an aft control column cutout switch. Enough movement of the control...
Forum: Rumours & News
3rd Apr 2019, 20:01
Replies: 5,109
Views: 13,213,611
Posted By jagema

Control column cutout switches do not inhibit...

Control column cutout switches do not inhibit MCAS trimming (which makes sense if you think why the system was designed in the first place, but also no sense to a 737 pilot that doesn't expect the...
Forum: Rumours & News
21st Mar 2019, 21:27
Replies: 5,109
Views: 13,213,611
Posted By jagema

The use is to know that something is up with...

The use is to know that something is up with the*sensor*itself, and to be especially skeptical of the output from other flight computers that factor in its data (ADIRU).*
The problem with adding...
Forum: Rumours & News
20th Mar 2019, 20:20
Replies: 5,109
Views: 13,213,611
Posted By jagema

Likewise, when I read their statement, "to make a...

Likewise, when I read their statement, "to make a safe airplane safer" I also raised the eyebrow.
Evidently FAA and Boeing both agreed these were required changes to MCAS logic from what they could...
Forum: Rumours & News
18th Mar 2019, 23:40
Replies: 5,109
Views: 13,213,611
Posted By jagema

FCeng84, Given your familiarity with 737...

FCeng84,

Given your familiarity with 737 systems I wanted to address a question to you:

As far as I understand, FCC-enabled MCAS receives single channel sensory data from the ADIRU, mainly AoA...
Forum: Rumours & News
18th Mar 2019, 20:43
Replies: 5,109
Views: 13,213,611
Posted By jagema

Smile A lot of it has to do with your clear and...

A lot of it has to do with your clear and insightful contributions to this thread. As a 737NG driver I thank you bud. :)
Forum: Rumours & News
18th Mar 2019, 20:32
Replies: 5,109
Views: 13,213,611
Posted By jagema

I know the requirement for MCAS is to have linear...

I know the requirement for MCAS is to have linear alpha forces on the column as it approaches high AOA, as required by certification, due to the new lift generated by the engine nacelles not...
Forum: Rumours & News
18th Mar 2019, 20:04
Replies: 5,109
Views: 13,213,611
Posted By jagema

Underwing-mounted engines, being under the center...

Underwing-mounted engines, being under the center of gravity, create a pitch-up moment when adding thrust. Pitch-down when reducing thrust. Easy to picture: letter T. Push the lower end of the...
Forum: Rumours & News
13th Mar 2019, 23:15
Replies: 5,109
Views: 13,213,611
Posted By jagema

I wonder why MCAS is the only system in the...

I wonder why MCAS is the only system in the aircraft that bypasses the Control Column Cutout Switches (and therefore the STAB OVRD switch). Normally a pilot pulling back on the control column...
Forum: Rumours & News
12th Mar 2019, 12:19
Replies: 5,109
Views: 13,213,611
Posted By jagema

MCAS is perpetually active so as long as ONE AoA...

MCAS is perpetually active so as long as ONE AoA sensor relays: high angle of attack, flaps up and autopilot disengaged. Simply, it will trim the Stabilizer down for 10 seconds (2.5 degrees nose...
Forum: Rumours & News
8th Dec 2018, 19:27
Replies: 8
Views: 8,646
Posted By jagema

If autopilot doesn't disconnect there is usually...

If autopilot doesn't disconnect there is usually a DISENGAGE switchbar on the MCP that will trip out the system from operation (on Boeing aircraft).
There are many other ways to do it, even just...
Forum: Terms and Endearment
9th Oct 2018, 11:47
Replies: 6
Views: 3,754
Posted By jagema

Yes (at least in their airplanes and full motion...

Yes (at least in their airplanes and full motion SIMs)
Forum: Terms and Endearment
1st Sep 2018, 16:18
Replies: 60
Views: 30,974
Posted By jagema

To go back on topic and therefore ignoring all...

To go back on topic and therefore ignoring all these Jet2 replies - I'd say keep a close eye on the newly announced Irish and Italian deals and ignore whatever proposals RYR come out with, at least...
Forum: Terms and Endearment
30th Aug 2018, 11:13
Replies: 101
Views: 32,183
Posted By jagema

I would just want him to know his side of the...

I would just want him to know his side of the operation to the proficiency standards to which he has been trained. Expect them to not forget what it was to be an FO and establish good CRM with their...
Forum: Terms and Endearment
30th Aug 2018, 11:08
Replies: 84
Views: 38,318
Posted By jagema

Gee, you must be so fun to fly with. As a...

Gee, you must be so fun to fly with.
As a matter of fact, yes, you need to be told these things. This is literally the FO's job description. Now the FO might not recognise why you might be doing...
Showing results 1 to 21 of 21


 
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