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Search: Posts Made By: Rananim
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Forum: Rumours & News
30th Nov 2018, 11:58
Replies: 2,099
Views: 1,471,785
Posted By Rananim

AMM From the Blufer book,with flaps UP main...

AMM
From the Blufer book,with flaps UP main electrim trim authority is 3.95 to 14...in other words if the stabilizer is trimmed by MCAS past 3.95,the pilot wouldnt be able to use main electrim trim...
Forum: Rumours & News
24th Nov 2018, 15:07
Replies: 2,099
Views: 1,471,785
Posted By Rananim

Silver Thats about it in a nutshell.That...

Silver

Thats about it in a nutshell.That will be in the report 100%.Leaving only a)how/why the crew didnt have enough cognitive function to disengage those trim switches and b)strong focus on...
Forum: Rumours & News
23rd Nov 2018, 18:10
Replies: 2,099
Views: 1,471,785
Posted By Rananim

ALPA The answer is to give the pilot(s) a...

ALPA

The answer is to give the pilot(s) a quick means of disabling all alarms so that they can restore calm
in the cockpit and fly the plane.If an anti-stall device is actually going to...
Forum: Rumours & News
22nd Nov 2018, 23:52
Replies: 2,099
Views: 1,471,785
Posted By Rananim

Thank you.I used the wrong wording.MCAS doesnt of...

Thank you.I used the wrong wording.MCAS doesnt of course override pilot input to elevator.Rather MCAS continues to operate even if in opposition to stick input by pilot.Apologies
Forum: Rumours & News
22nd Nov 2018, 17:15
Replies: 2,099
Views: 1,471,785
Posted By Rananim

xxxxxdeleted

xxxxxdeleted
Forum: Rumours & News
21st Nov 2018, 16:44
Replies: 2,099
Views: 1,471,785
Posted By Rananim

We wont know for sure now until they release more...

We wont know for sure now until they release more data but we can assume they were fighting MCAS trim with opposite trim and stick input.The flight lasted 13 minutes.Stick input doesnt override...
Forum: Rumours & News
16th Nov 2018, 16:22
Replies: 2,099
Views: 1,471,785
Posted By Rananim

MCAS

This design differs from STS according to AMM NG and its problematic.The FCC wont command STS against pilot inputs on the stick but in the case of MCAS it does.So if the crew have recognized the UAS...
Forum: Rumours & News
14th Nov 2018, 16:25
Replies: 2,099
Views: 1,471,785
Posted By Rananim

No I dont concur...the plane was going fast but...

No I dont concur...the plane was going fast but HAL (ie FCC A) thought it was near to a stall so....it trimmed down...hence the previous commanders observation of " STS trimming the wrong way"..AMM...
Forum: Rumours & News
14th Nov 2018, 06:47
Replies: 2,099
Views: 1,471,785
Posted By Rananim

I stand by the theory that this is not MAX...

I stand by the theory that this is not MAX specific and that Boeing have been caught out on a technicality only(albeit a very embarassing one).
Its difficult to theorize without any data but I am...
Forum: Rumours & News
13th Nov 2018, 13:17
Replies: 2,099
Views: 1,471,785
Posted By Rananim

Boeing doesnt design its FCCs with a psycho...

Boeing doesnt design its FCCs with a psycho mode.Qantas 72 isnt possible in a Boeing.The poor travelling public probably think the FCC forced the Lionair into a dive.It didnt.It trimmed the aircraft...
Forum: Rumours & News
12th Nov 2018, 15:05
Replies: 2,099
Views: 1,471,785
Posted By Rananim

I prefer this theory..We dont know if this is MAX...

I prefer this theory..We dont know if this is MAX specific.A cursory glance at the NG AMM confirms that this will happen in a NG as well.There may well be differences between MCAS and STS but they...
Forum: Rumours & News
10th Nov 2018, 02:14
Replies: 2,099
Views: 1,471,785
Posted By Rananim

Lots of emotive responses and "opines"........ ...

Lots of emotive responses and "opines"........
The Boeing 737,on balance,is a remarkably safe design.
Manufacturers cant be praised one day for a stick shaker helping a pilot identify a stall and...
Forum: Rumours & News
7th Nov 2018, 19:46
Replies: 2,099
Views: 1,471,785
Posted By Rananim

The STS(which btw I agree is not technically an...

The STS(which btw I agree is not technically an anti-stall device but we can view it as such as it will indeed trim down if you do approach a real stall in manual flight) would be disabled by...
Forum: Rumours & News
7th Nov 2018, 13:12
Replies: 2,099
Views: 1,471,785
Posted By Rananim

All manufacturers build planes with anti-stall...

All manufacturers build planes with anti-stall devices.Airbus goes a step further and actually wont allow the stall(normal law).Boeing just warns and aids the pilot to prevent it.Stick...
Forum: Rumours & News
5th Nov 2018, 18:28
Replies: 2,099
Views: 1,471,785
Posted By Rananim

Hmm.........no.We really need engineering input...

Hmm.........no.We really need engineering input to try and get somewhere here but........ FCCs command the STS, AP STAB TRIM functions.

AMM 22


AMM 22
From above L ADIRU sends CAS to FCC A....
Forum: Rumours & News
5th Nov 2018, 16:43
Replies: 2,099
Views: 1,471,785
Posted By Rananim

It wasnt...it was trimming as designed...but to...

It wasnt...it was trimming as designed...but to the pilot it appeared to be trimming the wrong way..... makes sense as he had corrupted CAS data.


He cant as far as I know.FCC A commands the...
Forum: Rumours & News
5th Nov 2018, 13:57
Replies: 2,099
Views: 1,471,785
Posted By Rananim

I concur but..... We're going round in circles...

I concur but.....
We're going round in circles here,data is minimal,no engineering input.
It doesnt have to be STS,it could be AP STAB trim.Whats important is that something gave them unwanted trim...
Forum: Rumours & News
4th Nov 2018, 18:19
Replies: 2,099
Views: 1,471,785
Posted By Rananim

We MUST assume that : a)the accident crew were...

We MUST assume that :
a)the accident crew were aware of the previous flights UAS because it was written up in the tech log and would prohibit that Commanders acceptance of the
aircraft unless it...
Forum: Rumours & News
2nd Nov 2018, 00:38
Replies: 2,099
Views: 1,471,785
Posted By Rananim

Well,youre into engineering territory but from a...

Well,youre into engineering territory but from a pilots perspective....yes,STS(manual flight) just like AP stabilizer trim(automation engaged) would exacerbate an already bad UAS event.FCC controls...
Forum: Rumours & News
1st Nov 2018, 15:33
Replies: 2,099
Views: 1,471,785
Posted By Rananim

A lot to discuss and no real hard information.It...

A lot to discuss and no real hard information.It can get confusing and counter-productive.We have the write up by commander of previous flight and the
ADSB data.

Its not confirmed that this write...
Forum: Rumours & News
30th Oct 2018, 20:18
Replies: 2,099
Views: 1,471,785
Posted By Rananim

Only if the pilot is using AFDS during ...

Only if the pilot is using AFDS during UAS.Pilots might revert to automation (FD or AP or both) in panic.Worst thing you can do.Fly the plane. The plane is perfectly controlllable during UAS.You...
Forum: Rumours & News
30th Oct 2018, 17:59
Replies: 2,099
Views: 1,471,785
Posted By Rananim

Well these words are yours not mine. I...

Well these words are yours not mine.
I reiterate for the benefit of any younger pilots reading....DO NOT PROLONG a flight with UAS having
confirmed the problem just after liftoff.In the cruise over...
Forum: Rumours & News
30th Oct 2018, 13:34
Replies: 2,099
Views: 1,471,785
Posted By Rananim

In the Boeing,asymmetric flaps are automatically...

In the Boeing,asymmetric flaps are automatically limited to 6 deg so as to avoid asymmetric lift and the possibility of loss of roll
control.If the flaps were not retracted in the confusion of a UAS...
Forum: Rumours & News
29th Oct 2018, 13:06
Replies: 2,099
Views: 1,471,785
Posted By Rananim

Well its all speculation but thats what we're...

Well its all speculation but thats what we're here for so..lets start with what we know:
A/C had known UAS event day before but it was controlled by crew and they landed safely.It is written up and...
Showing results 1 to 24 of 24


 
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