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Search: Posts Made By: infrequentflyer789
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Forum: Tech Log
23rd Apr 2011, 00:54
Replies: 3,893
Views: 1,537,994
Posted By infrequentflyer789

Read the comms timelines in the earlier reports,...

Read the comms timelines in the earlier reports, eg. http://www.bea.aero/docspa/2009/f-cp090601e1.en/pdf/f-cp090601e1.en.pdf [sections 1.9.1 and 1.15]. If anyone was negligent in the delay in...
Forum: Tech Log
20th Apr 2011, 12:01
Replies: 3,893
Views: 1,537,994
Posted By infrequentflyer789

Curious as to what you regard as "high energy"...

Curious as to what you regard as "high energy" impact.

From the wreckage photos and descriptions, Air-NZ Perpignan crash looks to me to be much higher engery that AF447 - but still the VS didn't...
Forum: Tech Log
12th Apr 2011, 21:23
Replies: 3,893
Views: 1,537,994
Posted By infrequentflyer789

Probably none. In fact they've released an awful...

Probably none. In fact they've released an awful lot of info and several interim reports. More than we get in advance of final report (or even at final report) in most other investigations.

The...
Forum: Tech Log
12th Apr 2011, 08:50
Replies: 3,893
Views: 1,537,994
Posted By infrequentflyer789

But the composite didn't fail. The mounts and...

But the composite didn't fail. The mounts and parts of the fuselage structure were detached from the rest of the fuselage.



Intact Airbus composite fin was found floating of Perpignan after...
Forum: Tech Log
5th Aug 2010, 09:31
Replies: 3,893
Views: 1,537,994
Posted By infrequentflyer789

70,000 is during the day with the sun shining. ...

70,000 is during the day with the sun shining. It loses about 20,000ft overnight.

I wouldn't fancy its chances in the sort of weather 447 went through, and good luck finding any bits of it...
Forum: Tech Log
23rd Jul 2010, 16:04
Replies: 3,893
Views: 1,537,994
Posted By infrequentflyer789

To add some further info, from the BEA report...

To add some further info, from the BEA report S1.12.2:

So that is what happened to at least one of them, I am not sure how many (or which type) would have been on board, but I am pretty sure that...
Forum: Tech Log
18th Jun 2010, 08:40
Replies: 3,893
Views: 1,537,994
Posted By infrequentflyer789

Well, I wouldn't expect the ACARS transmissions...

Well, I wouldn't expect the ACARS transmissions to continue for a start...
Forum: Tech Log
15th Jun 2010, 22:13
Replies: 3,893
Views: 1,537,994
Posted By infrequentflyer789

I posted another one earlier in the thread ...

I posted another one earlier in the thread

http://www.pprune.org/rumours-news/395105-af-447-search-resume-post5553191.html...
Forum: Tech Log
7th Jun 2010, 22:54
Replies: 3,893
Views: 1,537,994
Posted By infrequentflyer789

Already exists - BUSS. Not fitted on AF...

Already exists - BUSS. Not fitted on AF airbuses. There seem to be some widely varying opinions of how well it works. AF rationale for not fitting it is here:

Air France - Corporate : The BUSS...
Forum: Tech Log
1st Jun 2010, 02:01
Replies: 3,893
Views: 1,537,994
Posted By infrequentflyer789

Their scenario is that in turbulence penetration,...

Their scenario is that in turbulence penetration, thrust is reduced below required power for flying pitch+power in the event of unreliable airspeed. Lack of direct feedback from non-moving throttles...
Forum: Tech Log
10th May 2010, 08:38
Replies: 3,893
Views: 1,537,994
Posted By infrequentflyer789

Only problem with that is that the mounts didn't...

Only problem with that is that the mounts didn't fail (or rather the VS didn't fail around the mount points, as it did in with aa587) - they were still attached to the VS, but ripped out of the...
Forum: Tech Log
6th May 2010, 14:27
Replies: 3,893
Views: 1,537,994
Posted By infrequentflyer789

The impediment will be terrain. My bet is the...

The impediment will be terrain. My bet is the location zone turns out to be in a very difficult terrain area (mountains / ravines) for recovery. The undersea terrain information is already known,...
Forum: Tech Log
23rd Apr 2010, 15:52
Replies: 3,893
Views: 1,537,994
Posted By infrequentflyer789

The quote is the interesting bit, if I read it...

The quote is the interesting bit, if I read it right it says the secretary of state / transport minister (or French equivalent) has "asked" the BEA to keep looking.

Quite how much force the ask...
Forum: Tech Log
25th Mar 2010, 09:40
Replies: 3,893
Views: 1,537,994
Posted By infrequentflyer789

That is because the protections are gone. Look...

That is because the protections are gone. Look at the BEA report - every one of the 30+ unreliable airspeed incidents documented included swtich to alternate law.

That means the protections...
Forum: Tech Log
17th Mar 2010, 15:05
Replies: 3,893
Views: 1,537,994
Posted By infrequentflyer789

BEA 2nd report lists almost 40 uA/S (due to...

BEA 2nd report lists almost 40 uA/S (due to pitot) incidents on 330/340. All (apart from 447) involved loss of automatics and reversion to alternate law... and not crashing.

Across this thread...
Forum: Tech Log
11th Mar 2010, 11:16
Replies: 3,893
Views: 1,537,994
Posted By infrequentflyer789

See eg....

See eg. http://www.pprune.org/rumours-news/395105-af-447-search-resume-post5541860.html#post5541860

VS is the yellow diamond. See also page 37 of the first BEA report, and also annex 4 of the...
Forum: Tech Log
11th Mar 2010, 10:56
Replies: 3,893
Views: 1,537,994
Posted By infrequentflyer789

Only a vertical distance, in the sense of top of...

Only a vertical distance, in the sense of top of the ocean and bottom. 447 VS was found in the middle of the debris field (see back of first BEA report). 587 was found a few miles back from the...
Forum: Tech Log
5th Mar 2010, 22:00
Replies: 3,893
Views: 1,537,994
Posted By infrequentflyer789

I agree on the composites - I suspect we still...

I agree on the composites - I suspect we still have much to learn there. It took some painful lessons before we figured out how to make aircraft (safely) out of aluminium...

I agree on the...
Forum: Tech Log
4th Mar 2010, 16:57
Replies: 3,893
Views: 1,537,994
Posted By infrequentflyer789

To be fair, in what state it hit, could be very...

To be fair, in what state it hit, could be very important in determining what precipitated, or at least in eliminating some possibilities.

Specifically, if the fall was precipitated by VS...
Forum: Tech Log
26th Feb 2010, 23:08
Replies: 3,893
Views: 1,537,994
Posted By infrequentflyer789

As far as I can see they've stopped using...

As far as I can see they've stopped using "flight" in that context in the second report - very likely because it wasn't understood. It was a translation of the french that may make more sense in...
Forum: Tech Log
26th Feb 2010, 10:49
Replies: 3,893
Views: 1,537,994
Posted By infrequentflyer789

Not sure where to even start on that lot, but I...

Not sure where to even start on that lot, but I must say I am really pleased that between Spiegel and the Union, the flight recorders have been recovered and told them exactly what happened. That...
Forum: Tech Log
24th Feb 2010, 23:15
Replies: 3,893
Views: 1,537,994
Posted By infrequentflyer789

This was in the first report (at least). To...

This was in the first report (at least). To quote the section on the VS (my emphasis added):


By the time you've gone via french, german and english, "flew away to the front" is about right.
Forum: Tech Log
24th Feb 2010, 22:57
Replies: 3,893
Views: 1,537,994
Posted By infrequentflyer789

Possibly, although the conclusion is still the...

Possibly, although the conclusion is still the same in the second report, and there may have been supporting information not included in the first report but available to the investigators. I think...
Showing results 1 to 23 of 23


 
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