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Forum: Tech Log
21st Mar 2019, 12:08
Replies: 9
Views: 1,643
Posted By chaz88z

I just realized the mistake I made : UAS is for...

I just realized the mistake I made :
UAS is for cabin alt > 10.000ft, not 14.000ft, so if dP stays at -1.0, for a cabin alt at 10.000ft:
AltCabin= 10.000ft
Pcabin= 10.11 PSI
dP= -1.0 PSI
Pstatic...
Forum: Tech Log
21st Mar 2019, 11:51
Replies: 9
Views: 1,643
Posted By chaz88z

What I meant was to simplify everything, after...

What I meant was to simplify everything, after the rapid descent, considering a/c after its descent at 10.000ft. While Pcab remains constant, to simplify... I would call it the static scenario.

P...
Forum: Tech Log
20th Mar 2019, 12:44
Replies: 9
Views: 1,643
Posted By chaz88z

Thatís how I imagined the design, as we can also...

Thatís how I imagined the design, as we can also hear the cockpit window seals leaking when dP < 2 PSI




Then again. With a spring metered to open at -1.0PSI, by the time -1.45 PSI is...
Forum: Tech Log
19th Mar 2019, 11:44
Replies: 9
Views: 1,643
Posted By chaz88z

In the scenario, X=0 (packs off) and letís...

In the scenario, X=0 (packs off) and letís simplify with a perfectly closed outflow valve Y=0, as you mentioned the drains and other leaks, so as long as Pcabin >Pstatic, we should have some leakage,...
Forum: Tech Log
18th Mar 2019, 19:29
Replies: 9
Views: 1,643
Posted By chaz88z

So -1.0PSI it is thanks. Any info on typical...

So -1.0PSI it is thanks.
Any info on typical 737 presssurization leakage:
packs—-> X kg/s
outflow valve —-> Y kg/s
leaks = X-Y kg/s
i guess that would be advanced engineering data......
Forum: Tech Log
18th Mar 2019, 13:34
Replies: 9
Views: 1,643
Posted By chaz88z

B737 Negative pressure relief valve

Technical questions I could not find in the FCOM nor in "google" with precision, for the 737-800 NG.

As par FCOM 2: Negative pressure relief valve prevents external atmospheric pressure from...
Forum: Tech Log
21st Jul 2016, 14:23
Replies: 104
Views: 18,887
Posted By chaz88z

I were wrong all these years saying: "XXXX coming...

I were wrong all these years saying: "XXXX coming UP !" :ok:

Ahahah! this thread would be to aviation what "grammar-nazis" are to the internet !

Of course we need radiotelephony standards, when...
13th Apr 2016, 20:43
Replies: 83
Views: 89,883
Posted By chaz88z

Anyone got a reply yet ? I wonder which profile...

Anyone got a reply yet ? I wonder which profile they will choose...
26th Jul 2015, 19:41
Replies: 1,916
Views: 1,152,285
Posted By chaz88z

Hi, Sorry for late answer, Applying for NTR FO...

Hi, Sorry for late answer,
Applying for NTR FO in Portugal, not much activity here though, other folks waiting for a call from Easy ?
16th Jul 2015, 19:50
Replies: 1,916
Views: 1,152,285
Posted By chaz88z

Sorry to read you Xander, I finished the...

Sorry to read you Xander, I finished the assessments a few days back, I think they're the same they used to be...
Is someone waiting for the next step too ?
21st Dec 2012, 23:52
Replies: 48
Views: 23,157
Posted By chaz88z

Fog in Phuket, Thailand ? Does that ever happen ?

Fog in Phuket, Thailand ? Does that ever happen ?
Forum: Tech Log
5th Jun 2011, 08:42
Replies: 2,070
Views: 473,824
Posted By chaz88z

Still a very interesting thread over here ! ...

Still a very interesting thread over here !

I couldn't find the info in the A330 FCOM but maybe some of you have the answer:

It seems that the PF struggled with lateral stability issues.

In...
Forum: Tech Log
28th May 2011, 11:56
Replies: 2,070
Views: 473,824
Posted By chaz88z

Will GS appear on the PFD? Then they will have...

Will GS appear on the PFD?
Then they will have to check on the ND or FMS, okay it is just a few inches away but then the aircraft was on full auto and released to full manual the workload must have...
Forum: Tech Log
28th May 2011, 11:43
Replies: 2,070
Views: 473,824
Posted By chaz88z

As JCjeant said it, >300 posts over speculation,...

As JCjeant said it, >300 posts over speculation, human-vs-computer battle.

But this accident is like any-other a combination of several factors and their consequences, I'll try to summarize those...
Forum: Tech Log
27th May 2011, 17:20
Replies: 2,070
Views: 473,824
Posted By chaz88z

You don't feel acceleration but might be sensing...

You don't feel acceleration but might be sensing the lack of it :

Descending at ~10.000fpm isn't it an aproximate rate of free-fall?
Could you relate this very situation with a 0-G maneuver (on...
Forum: Tech Log
5th Apr 2011, 12:35
Replies: 3,893
Views: 1,218,461
Posted By chaz88z

At first, I would like to thank you all for this...

At first, I would like to thank you all for this really interesting thread !

After reading your posts I was thinking of an unrecovered spin as there is not much distance between LKP and crash...
21st Dec 2010, 18:11
Replies: 7,584
Views: 3,456,527
Posted By chaz88z

Well maybe we need to remind candidates the...

Well maybe we need to remind candidates the engines used on the 777 fleet :
I agree with you, GE90 (115klbs) is used but on the 777-300ER
(no need to look at the engine to identify this one : Raked...
21st Dec 2010, 09:12
Replies: 7,584
Views: 3,456,527
Posted By chaz88z

Well let's do a bit of calculation : Let say...

Well let's do a bit of calculation :

Let say the training is worth 80.000$

With your Cadet pay, you don't get the housing allowance, 1500$/month
1500x12=18000$ per year.
In 4 year CX get its...
20th Dec 2010, 11:58
Replies: 7,584
Views: 3,456,527
Posted By chaz88z

Yeah mtcaust, I am not at all saying I was the...

Yeah mtcaust,
I am not at all saying I was the best and perfectly prepared and should have been taken.

But it was really unexpected to have such an attitude from an interviewer... (Whether it was...
16th Dec 2010, 13:12
Replies: 7,584
Views: 3,456,527
Posted By chaz88z

This would be your answer Fleet Info (CX) -...

This would be your answer
Fleet Info (CX) - FlyerGuide Wiki (http://www.flyerguide.com/wiki/index.php/Fleet_Info_(CX))

I might post a debrief as well as I attended Stage 2 in Nov. But didnot...
7th Dec 2010, 22:44
Replies: 31,149
Views: 2,989,578
Posted By chaz88z

Good evening every one. My guess would have...

Good evening every one.

My guess would have been the Gloster Sparrowhawk but it's english and have been used by japanese navy... Maybe there's a chinese copy of this one ?
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