Go Back  PPRuNe Forums > Search Forums
Reload this Page >

Search Results

 
Search: Posts Made By: einhverfr
Showing results 1 to 25 of 45
Search took 0.02 seconds.
22nd May 2016, 06:13
Replies: 1,184
Views: 2,488,477
Posted By einhverfr

I have a couple questions regarding the...

I have a couple questions regarding the possibility of fire given the ACARS messages.

1. Are there measures in place to mitigate a fire taking out redundant electronic components?

2. Are...
5th Jan 2015, 00:55
Replies: 3,924
Views: 3,775,141
Posted By einhverfr

Things work differently in Indonesia than in the...

Things work differently in Indonesia than in the US or Europe. The official rules and the real rules don't really have as much overlap as you might expect. This is true both regarding insurance and...
3rd Jan 2015, 22:33
Replies: 3,924
Views: 3,775,141
Posted By einhverfr

My experience in Indonesia btw is that bribery...

My experience in Indonesia btw is that bribery and police extortion are entirely accepted if they protect the poor from the rich but highly prosecuted if it goes the other way. These are effectively...
1st Jan 2015, 23:15
Replies: 3,924
Views: 3,775,141
Posted By einhverfr

Regarding the steep climb of the aircraft prior...

Regarding the steep climb of the aircraft prior to the accident, I can imagine a couple of causes and keep in mind these are not mutually exclusive.

1. What is the barometric pressure variance at...
Forum: Tech Log
1st Jan 2015, 20:14
Replies: 58
Views: 9,203
Posted By einhverfr

Opportunities, Challenges, and Limits of Automation in Aircraft

Because I suspect this will come up frequently I figured the topic of automation of aircraft and the limits of such might deserve its own post. I am not a pilot. I am a systems/software engineer...
31st Dec 2014, 20:07
Replies: 3,924
Views: 3,775,141
Posted By einhverfr

Because I suspect this will come up over and over...

Because I suspect this will come up over and over I am thinking about putting a write-up on tech log about automation challenges and issues, and the direction I think things are likely to go.

I...
31st Dec 2014, 15:28
Replies: 3,924
Views: 3,775,141
Posted By einhverfr

In my experience (living in Indonesia with my...

In my experience (living in Indonesia with my Chinese-Indonesian wife), most of the alleged deference is cosmetic. What's usually really going on is a different style of discussion when it comes to...
31st Dec 2014, 03:42
Replies: 3,924
Views: 3,775,141
Posted By einhverfr

As I have been trying to be clear, I don't see...

As I have been trying to be clear, I don't see this an Airbus vs Boeing issue. Some of the earliest automation paradox-related crashes have been in Boeing 757 aircraft (I see it as a contributor to...
31st Dec 2014, 00:21
Replies: 3,924
Views: 3,775,141
Posted By einhverfr

That's a gross oversimplification. Yes, air...

That's a gross oversimplification. Yes, air travel today is safer for use of automation. However, there are a lot of areas where the limits of automation may be due not to technical ability but to...
30th Dec 2014, 20:51
Replies: 3,924
Views: 3,775,141
Posted By einhverfr

I have been a passanger on Air Asia flights...

I have been a passanger on Air Asia flights roughly monthly for the most of 2014 due to frequent trips between Jakarta and Kuala Lumpur. There is a lot to dislike about them (if you want to drink...
30th Dec 2014, 19:34
Replies: 3,924
Views: 3,775,141
Posted By einhverfr

That misunderstands the nature of the problem. ...

That misunderstands the nature of the problem. Yes you can effectively get back some degree of manual control. But you get in a problematic situation, in an instrument flying scenario, and you have...
30th Dec 2014, 19:01
Replies: 3,924
Views: 3,775,141
Posted By einhverfr

I am not a pilot. I am a software/systems...

I am not a pilot. I am a software/systems engineer by trade with a strong interest in aerodynamics. My point here is to discuss cockpit design issues and how they may have contributed. While this...
15th Jul 2009, 21:29
Replies: 35
Views: 21,138
Posted By einhverfr

I would also note that Caspian Air as a joint...

I would also note that Caspian Air as a joint Iranian-Russian venture would be less vulnerable to impact from sanctions than would other Iranian airlines.

In some other cases, I could buy the...
13th Jul 2009, 20:57
Replies: 72
Views: 29,341
Posted By einhverfr

Now that you mention FBW, it is worth noting that...

Now that you mention FBW, it is worth noting that the 777, like the A330, is FBW. I wonder if there is a link to AF447....

[/sarcasm]
Mods:
Feel free to delete this post. However, sometimes...
10th Jul 2009, 15:48
Replies: 298
Views: 156,132
Posted By einhverfr

Philipat: Well, Air France 447 has an air of...

Philipat:

Well, Air France 447 has an air of mystery (esp. given that the black boxes may never be recovered) that this flight does not have.

How many individual pieces of debris have been...
9th Jul 2009, 23:57
Replies: 206
Views: 124,669
Posted By einhverfr

To give you an idea of how rare this is, the...

To give you an idea of how rare this is, the B747-400 had at least 5 million take-offs by 2008. And this is not including earlier versions of the B747. So the failure condition has to be extremely...
9th Jul 2009, 18:06
Replies: 88
Views: 37,215
Posted By einhverfr

On the other hand, folks get killed in...

On the other hand, folks get killed in evacuations due to false fire alarms too.

http://www.flightsafety.org/ccs/ccs_nov-dec02.pdf

In some of these cases, note that smoke detectors went off...
Forum: Tech Log
9th Jul 2009, 17:34
Replies: 4,594
Views: 2,789,081
Posted By einhverfr

One question out there for anyone who has done...

One question out there for anyone who has done air-water collision investigation in the past is what impact do you think that wave height would have on the damage found in the crash debris? The A330...
Forum: Tech Log
8th Jul 2009, 23:55
Replies: 4,594
Views: 2,789,081
Posted By einhverfr

Surplus1: Sorry if I wasn't clear on this...

Surplus1:

Sorry if I wasn't clear on this case.

My view right now is that I lean somewhat against spin hypotheses and somewhat towards the idea that the VS separated during impact (there are a...
Forum: Tech Log
8th Jul 2009, 21:46
Replies: 4,594
Views: 2,789,081
Posted By einhverfr

ttse: Well, there are a couple problems...

ttse:


Well, there are a couple problems with that, still. Note, I am not discounting entirely the possibility of a spin. I am just saying it is not consistent with the findings of the report....
Forum: Tech Log
7th Jul 2009, 23:27
Replies: 4,594
Views: 2,789,081
Posted By einhverfr

HarryMann: Simple way to think about it: ...

HarryMann:


Simple way to think about it:

Airplane is travelling down. It makes contact with the water which stops the fall. This causes upward acceleration (possibly to a zero vertical...
Forum: Tech Log
7th Jul 2009, 23:24
Replies: 4,594
Views: 2,789,081
Posted By einhverfr

Ice particle icing in engines and restart alt.

PJ2: My impression of the ice particle icing paper was that engines could not be restarted usually above 10k feet because of the time required for the ice blockages to clear. Note in the paper it...
Forum: Tech Log
7th Jul 2009, 16:39
Replies: 4,594
Views: 2,789,081
Posted By einhverfr

Hyperveloce: I agree about the unlikelihood...

Hyperveloce:

I agree about the unlikelihood of a flat spin because if it was a spin, we would expect a strong sideways force on the VS, while BEA stated that it failed forward and only slightly to...
Forum: Tech Log
7th Jul 2009, 15:07
Replies: 4,594
Views: 2,789,081
Posted By einhverfr

AstraMike: I thought I read that the 2nd...

AstraMike:


I thought I read that the 2nd Officer was a former national champion at aerobatics, which strengthens your point about how hard it is to recover. I cannot personally imagine any...
Forum: Tech Log
6th Jul 2009, 19:22
Replies: 4,594
Views: 2,789,081
Posted By einhverfr

PJ2: That might have come from misreading...

PJ2:


That might have come from misreading one of my posts. My point though was that the A330 is designed for the flight controls to degrade gracefully, not that the aircraft loses control...
Showing results 1 to 25 of 45
 


 
Forum Jump

Contact Us Archive Advertising Cookie Policy Privacy Statement Terms of Service

Copyright 2018 MH Sub I, LLC dba Internet Brands. All rights reserved. Use of this site indicates your consent to the Terms of Use.