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Search: Posts Made By: CogSim
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11th Feb 2020, 22:28
Replies: 77
Views: 62,495
Posted By CogSim

I'm no aircraft designer, but the direction of...

I'm no aircraft designer, but the direction of the folding wing puzzles me. Wouldn't it be better for the wing to fold down so airflow in flight can keep it securely locked?
2nd Apr 2015, 04:04
Replies: 3,529
Views: 4,964,206
Posted By CogSim

Independent events

Excellent post. Any sensible response to this event has to come as a self instituted change in the way we function not as some cursory change in SOP.

Having said that I have been thinking about...
27th Mar 2015, 01:44
Replies: 3,529
Views: 4,964,206
Posted By CogSim

What fails? The sensor? Like everything else,...

What fails? The sensor? Like everything else, there would be redundancy. Back up sensor, that sort of thing. My point is having something like that would make it virtually impossible for *one*...
15th Mar 2014, 12:18
Replies: 11,824
Views: 21,416,449
Posted By CogSim

The altitude excursion data was attributed to...

The altitude excursion data was attributed to leaked Malaysian PSR returns on the unidentified target (presumed MH370) at IGARI sometime shortly after transponder switched off.
15th Mar 2014, 11:47
Replies: 11,824
Views: 21,416,449
Posted By CogSim

Update

A quick update to keep us focused:

Official Confirmed

01:07 Last routine engine data transmission
XX:XX ACARS disabled
01:17 Sign off Subang ATC
01:21 Xpndr switched off (near IGARI)
01:21...
15th Mar 2014, 03:20
Replies: 11,824
Views: 21,416,449
Posted By CogSim

Summary

A quick summary to keep us focused:

Official Confirmed

01:07 Last routine engine data transmission
01:17 Sign off Subang ATC
01:21 SSR lost (near IGARI)

Official Unconfirmed
15th Mar 2014, 01:20
Replies: 11,824
Views: 21,416,449
Posted By CogSim

I don't know where all this "gentle turn"...

I don't know where all this "gentle turn" business is coming from. Officially, we don't have any confirmation that the aircraft deviated from its track.

All the unofficial leaks so far have...
13th Mar 2014, 20:03
Replies: 11,824
Views: 21,416,449
Posted By CogSim

In other words, you can shut down one engine and...

In other words, you can shut down one engine and extend the range by upto 330 minutes?
13th Mar 2014, 18:20
Replies: 11,824
Views: 21,416,449
Posted By CogSim

New search grid

http://i.imgur.com/FVG3C69.jpg
Source: The Telegraph (http://www.telegraphindia.com/1140313/jsp/frontpage/story_18076946.jsp)
11th Mar 2014, 19:22
Replies: 11,824
Views: 21,416,449
Posted By CogSim

If this is the case, they should also know the...

If this is the case, they should also know the transponder is (switched?) off and unable to make radio contact. At this point, I humbly submit, it becomes a high risk target.
11th Mar 2014, 18:03
Replies: 11,824
Views: 21,416,449
Posted By CogSim

If this is indeed the case, why would you not...

If this is indeed the case, why would you not scramble?
1st Mar 2013, 19:26
Replies: 8
Views: 2,415
Posted By CogSim

Why do airlines exist?

Airline industry ranks consistently at the bottom part of the list of industries by profit margins. There are very few airlines that have been profitable over a long period of time. There are more...
Forum: Tech Log
9th Aug 2011, 23:38
Replies: 1,998
Views: 409,040
Posted By CogSim

Thanks for the clarification Shadoko. Why not...

Thanks for the clarification Shadoko. Why not just use descend in the translation then?
Forum: Tech Log
9th Aug 2011, 23:21
Replies: 1,998
Views: 409,040
Posted By CogSim

But its the PNF who has asked for the climb. I...

But its the PNF who has asked for the climb. I think the Captain is overruling the PNF here.
Forum: Tech Log
9th Aug 2011, 22:55
Replies: 1,998
Views: 409,040
Posted By CogSim

Climb and "Go down"

Consider this bit of conversation on page 90 of the report:

Watch your speed
Watch your speed
Okay, okay okay Iím
going back down
Stabilise
Yeah
Go back down
Forum: Tech Log
25th Jul 2011, 23:42
Replies: 1,998
Views: 409,040
Posted By CogSim

New report

The BEA to publish another report on Friday?
Link...
Forum: Tech Log
15th Jul 2011, 18:23
Replies: 1,998
Views: 409,040
Posted By CogSim

Shuttle Flight Computer

I apologize if this has already been posted.

For safety critical system design folks:

Spaceflight Now | STS-135 Shuttle Report | Astronauts restart computer; Obama to call Atlantis today...
Forum: Tech Log
29th Jun 2011, 01:09
Replies: 1,069
Views: 216,616
Posted By CogSim

My naive (non software literate) attempt at...

My naive (non software literate) attempt at defining the SE concept of abstraction. Nothing more. But lets face it, even if he/she needed to, what chance has a pilot got at understanding what goes on...
Forum: Tech Log
28th Jun 2011, 23:38
Replies: 1,069
Views: 216,616
Posted By CogSim

Software Engineers will tell you its Abstraction....

Software Engineers will tell you its Abstraction. You don't need to know how the transmission works to drive to work everyday.

The bean counters will tell you its statistics. How many times have...
Forum: Tech Log
27th Jun 2011, 05:36
Replies: 1,069
Views: 216,616
Posted By CogSim

I pity the pilot in charge of this unfortunate...

I pity the pilot in charge of this unfortunate task. :\
Forum: Tech Log
27th Jun 2011, 05:09
Replies: 1,069
Views: 216,616
Posted By CogSim

From a pilot's point of view, I can understand...

From a pilot's point of view, I can understand loosing time or even being fixated and not physically doing what I'm supposed to do. In the case of AF447, however, BEA report suggests a persistent...
Forum: Tech Log
26th Jun 2011, 06:35
Replies: 1,069
Views: 216,616
Posted By CogSim

This was first brought to attention by takata in...

This was first brought to attention by takata in this post (http://www.pprune.org/5031377-post2542.html).

Airliners.net post with reordered ACARS message list....
Forum: Tech Log
22nd Jun 2011, 17:27
Replies: 1,069
Views: 216,616
Posted By CogSim

Peter H

Thanks for the link. Downloading it now.
Forum: Tech Log
22nd Jun 2011, 05:52
Replies: 1,069
Views: 216,616
Posted By CogSim

For pitot redesign folks: Shaved bat wings...

For pitot redesign folks:

Shaved bat wings show sensory hairs help manage flight (http://arstechnica.com/science/news/2011/06/bats-wings-have-air-flow-sensors.ars)

Edit: I have'nt gotten hold...
Forum: Tech Log
15th Jun 2011, 22:24
Replies: 1,069
Views: 216,616
Posted By CogSim

The movement of THS; 10 degrees in 60 seconds (if...

The movement of THS; 10 degrees in 60 seconds (if continuous) strikes me as very very gradual. In my mind this fits the bill of inadvertent NU input while trying to correct for right roll (especially...
Showing results 1 to 25 of 91
 


 
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