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Search: Posts Made By: snowfalcon2
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Forum: Rumours & News
27th Jan 2010, 16:49
Replies: 2,906
Views: 1,450,447
Posted By snowfalcon2

S.F.L.Y

The difference is that the BA038 crew was never trained for the "glider landing" situation, so there is no way you can demand that they should have known about best glide speeds. In contrast, the TK...
Forum: Rumours & News
17th Mar 2009, 17:47
Replies: 2,906
Views: 1,450,447
Posted By snowfalcon2

As always, ICAO Annex 13 regulations stipulate...

As always, ICAO Annex 13 regulations stipulate that the investigating agency shall issue a preliminary report within 30 days after the accident. The preliminary report is "The communication used for...
Forum: Rumours & News
9th Mar 2009, 18:06
Replies: 2,906
Views: 1,450,447
Posted By snowfalcon2

Oops again, missed the first paragraph of the...

Oops again, missed the first paragraph of the following three. Must be the Monday phenomenon :ouch:

"The preliminary investigation by DSB has already established that this altimeter sent an...
Forum: Rumours & News
9th Mar 2009, 17:19
Replies: 2,906
Views: 1,450,447
Posted By snowfalcon2

Well, I disagree with Transoratia's...

Well, I disagree with Transoratia's interpretation, see above. Perhaps he was slightly casual with his choice of words, just as I was about the non-reporting of the previous malfunctions.
Forum: Rumours & News
9th Mar 2009, 17:10
Replies: 2,906
Views: 1,450,447
Posted By snowfalcon2

OK OK ... sorry. The article quotes the AEI...

OK OK ... sorry. The article quotes the AEI secretary general who says the DSB has spoken with Turkish pilots who, according to the article, have said so. In other words, AEI claims maintenance had...
Forum: Rumours & News
9th Mar 2009, 17:00
Replies: 2,906
Views: 1,450,447
Posted By snowfalcon2

Not Danish, but understand most of it. I find no...

Not Danish, but understand most of it. I find no proof of actual CVR findings in the article nor about pilots having a conversation. It basically says the pilots were inattentive (uopmærksomme)...
Forum: Rumours & News
6th Mar 2009, 20:39
Replies: 2,906
Views: 1,450,447
Posted By snowfalcon2

It's not a protection protection system. It's...

It's not a protection protection system. It's intended as a smarter and more effective airspeed loss alert than today's stick shaker of 1970s design. I've seen others here also consider some...
Forum: Rumours & News
6th Mar 2009, 20:21
Replies: 2,906
Views: 1,450,447
Posted By snowfalcon2

No redesign of the RA. Yet. So far, this...

No redesign of the RA. Yet.

So far, this occurrence is unique and most probably fulfils the "acceptable failure risk" criteria.

Air transport is still a very safe form of travel. This nowadays...
Forum: Rumours & News
6th Mar 2009, 20:02
Replies: 2,906
Views: 1,450,447
Posted By snowfalcon2

Please, read up on that accident...

Please, read up on that accident (http://www.pprune.org/rumours-news/339876-spanair-accident-madrid.html). The pilots actually did not make that mistake. They made a much more basic and fatal one....
Forum: Rumours & News
6th Mar 2009, 19:33
Replies: 2,906
Views: 1,450,447
Posted By snowfalcon2

I would tend to agree. In that sense, broadly...

I would tend to agree. In that sense, broadly speaking, this is a very similar type of event to the Spanair MD-80 in Madrid last year where (IIRC) pulling a circuit breaker to isolate a non-critical...
Forum: Rumours & News
6th Mar 2009, 17:48
Replies: 2,906
Views: 1,450,447
Posted By snowfalcon2

Here is one. I made it last week but did not...

Here is one. I made it last week but did not upload it as I was expecting better data to be released by DSB.

The thin dotted line represents my guess at the ground speed the aircraft should have...
Forum: Rumours & News
6th Mar 2009, 16:28
Replies: 2,906
Views: 1,450,447
Posted By snowfalcon2

cargun

This question keeps returning every day, and as I think recent answers leave a bit to be desired, here's my try.

First, as seen by ATC the approach (according to available data) looked perfectly...
Forum: Rumours & News
5th Mar 2009, 22:50
Replies: 2,906
Views: 1,450,447
Posted By snowfalcon2

With respect, a slight disagreement. My...

With respect, a slight disagreement.

My trace at 2.5D shows 800 ft and 130 kts GS, or ~145 kts IAS assuming a surface wind of 10 kts. Perhaps hair splitting, but might have significance.

......
Forum: Rumours & News
5th Mar 2009, 18:12
Replies: 2,906
Views: 1,450,447
Posted By snowfalcon2

Cloud base & FD

Many posters have wondered what could possibly have distracted the crew so badly as to leave the speed decay unnoticed.

Here's one theory. The ADS-B data shows that the aircraft passed 700 ft...
Forum: Rumours & News
4th Mar 2009, 21:05
Replies: 2,906
Views: 1,450,447
Posted By snowfalcon2

Thanks for the comments. Key word is "dynamic...

Thanks for the comments.
Key word is "dynamic situation may change". Re. the stick shaker: You can fly at 1.05vs all day or you may stall in 2 seconds. Not a very smart alerter if you ask me. This...
Forum: Rumours & News
4th Mar 2009, 20:34
Replies: 2,906
Views: 1,450,447
Posted By snowfalcon2

Looking forward: Disregarding the obvious basic...

Looking forward: Disregarding the obvious basic flying issues in this accident, What technical aid would be the most cost-effective way to prevent this from happening again?

I still suggest that...
Forum: Rumours & News
3rd Mar 2009, 21:53
Replies: 2,906
Views: 1,450,447
Posted By snowfalcon2

Almost 1000 messages on this thread... yet...

Almost 1000 messages on this thread...

yet almost no one has tried to find the root cause that presumably "loaded up" the flight deck crew to the extent that they missed the signs of an impending...
Forum: Rumours & News
2nd Mar 2009, 20:29
Replies: 2,906
Views: 1,450,447
Posted By snowfalcon2

About that animation

The animation implies a stall break at some 45 degrees AoA, which IMHO can only happen if there was substantial engine thrust. Yet those few witness reports that mention engine sounds seem to place...
Forum: Rumours & News
1st Mar 2009, 21:12
Replies: 2,906
Views: 1,450,447
Posted By snowfalcon2

Thanks for the comment in post 837. ...

Thanks for the comment in post 837.

Actually not, really. The way I see this scenario is that the alerts you mention, except perhaps the stall warning, would only have been triggered when the...
Forum: Rumours & News
1st Mar 2009, 17:42
Replies: 2,906
Views: 1,450,447
Posted By snowfalcon2

An observation from the transponder data: ...

An observation from the transponder data:

The aircraft descended out of cloud almost at the same instant that the groundspeed reached 120 kts, i.e. the indicated airspeed was then around 130 kts...
Forum: Rumours & News
28th Feb 2009, 20:47
Replies: 2,906
Views: 1,450,447
Posted By snowfalcon2

StainesFS

OK, now I understand better. And I should have made it clearer what was my comment to your text and what was my own additional text.

Anyway I've been struggling with that OpenATC data because if...
Forum: Rumours & News
28th Feb 2009, 15:57
Replies: 2,906
Views: 1,450,447
Posted By snowfalcon2

StainesFS

Sorry, I don't understand your reasoning.



Why assume an altitude correction of 175 ft to the data when the QNH implies it should be 378 ft? Looking at the actual position of the last "-200...
Forum: Rumours & News
27th Feb 2009, 11:24
Replies: 2,906
Views: 1,450,447
Posted By snowfalcon2

No one here knows, yet. I'd speculate, however,...

No one here knows, yet.
I'd speculate, however, that in a manually flown approach the pilot would have noticed the speed decay earlier. Unless he was distracted of course.
Forum: Rumours & News
27th Feb 2009, 06:20
Replies: 2,906
Views: 1,450,447
Posted By snowfalcon2

Once again looking at the ADS-B Google Earth...

Once again looking at the ADS-B Google Earth track plot,

assuming the 370 ft altitude correction mentioned in my previous post is correct, it appears the plane remained on the glideslope all the...
Forum: Rumours & News
26th Feb 2009, 22:49
Replies: 2,906
Views: 1,450,447
Posted By snowfalcon2

Having looked at the ADS-B Google Earth track in...

Having looked at the ADS-B Google Earth track in more detail I start to think the -200ft altitude value reported at the crash site can be an instrument error caused by the impact. The QNH at the time...
Forum: Rumours & News
26th Feb 2009, 11:31
Replies: 2,906
Views: 1,450,447
Posted By snowfalcon2

Respectfully, there was a six lane...

Respectfully,



there was a six lane motorway across the flighpath and also some (industrial?) buildings along that road, about 10 sec prior to where the airplane came down.

I agree the...
Forum: Rumours & News
25th Feb 2009, 22:10
Replies: 2,906
Views: 1,450,447
Posted By snowfalcon2

Before condemning the pilots it might be good to...

Before condemning the pilots it might be good to look at this flight path reconstruction: http://aviation-safety.net/photos/graphics/20090225-0-2.gif

If we were to assume a loss-of-power event,...
Showing results 1 to 27 of 27


 
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