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5th Aug 2009, 04:22
Replies: 3,239
Views: 983,634
Posted By WhyIsThereAir

Even ignoring the heat, there is significant fuel...

Even ignoring the heat, there is significant fuel flow, several times the idle and cruise requirements. Ice has a fairly hard time sticking to reasonably smooth tube in high flow conditions. So the...
5th Aug 2009, 02:34
Replies: 33
Views: 15,944
Posted By WhyIsThereAir

Don't care about their own safety

I think there are several things at work here. One of them would be that probably 95% of the pax have not the slightest idea what "severe turbulace" means in terms of things happening in the cabin. ...
4th Aug 2009, 01:55
Replies: 2,015
Views: 606,380
Posted By WhyIsThereAir

Mandating a fare structure is something...

Mandating a fare structure is something governments understand, so it is a possibility. Getting it right could be very difficult in the current environment. Governments are good at making laws, but...
4th Aug 2009, 01:39
Replies: 3,239
Views: 983,634
Posted By WhyIsThereAir

May be a much cheaper and simpler solution than...

May be a much cheaper and simpler solution than heating. Keep the fuel moving. If it is flowing right along, there is a pretty good chance that it isn't going to have time to build up on a decently...
3rd Aug 2009, 06:57
Replies: 2,015
Views: 606,380
Posted By WhyIsThereAir

Training, evaluation, and I think most important...

Training, evaluation, and I think most important management practices.
There is an addendum to the CVR report that goes back and covers the hour from pushback to TO. From my point of view it is...
3rd Aug 2009, 05:41
Replies: 2,015
Views: 606,380
Posted By WhyIsThereAir

Will

What you say sounds plausible, but I don't buy it. The ruddering was violent and appeared to be following roll and in opposition to same, The pullback was more or less linearly increasing. I think he...
3rd Aug 2009, 05:27
Replies: 2,015
Views: 606,380
Posted By WhyIsThereAir

But is it irrational? When was the last time they...

But is it irrational? When was the last time they experienced a real stall? In primary in a single place Piper? Have they ever experienced a real stall in any kind of twin? How about a...
3rd Aug 2009, 05:13
Replies: 3,239
Views: 983,634
Posted By WhyIsThereAir

Doubtless your concern is not yours alone, which...

Doubtless your concern is not yours alone, which is perhaps one reason we don't have "the answer" from the NTSB yet. But keep in mind the current theory isn't just "fuel freezing". That is only part...
3rd Aug 2009, 01:33
Replies: 2,015
Views: 606,380
Posted By WhyIsThereAir

Push or pull?

That seems real reasonable. But read the NTSB description of the Colgan stall training: you do three stalls. One clean, one in landing configuration, and one in takeoff configuration. This last must...
2nd Aug 2009, 07:37
Replies: 2,015
Views: 606,380
Posted By WhyIsThereAir

Control column force

Looking at the charts, it seems pretty clear that someone was pulling back on that column for all they were worth at the end. If I assume a torque tube sort of connection between the right and left...
1st Aug 2009, 02:55
Replies: 2,015
Views: 606,380
Posted By WhyIsThereAir

When I was in highschool a few centuries back, we...

When I was in highschool a few centuries back, we learned that was called "cutthroat competition", and learned from copious examples why you don't do that.

I imagine the modern generation is too...
1st Aug 2009, 01:38
Replies: 2,015
Views: 606,380
Posted By WhyIsThereAir

Now wait a minute here. Let's analyze this...

Now wait a minute here. Let's analyze this statement a bit. They "aren't motivated to learn", they "just want the experience to move on". But if they aren't learning, exactly what experience are they...
1st Aug 2009, 01:14
Replies: 3,239
Views: 983,634
Posted By WhyIsThereAir

Don't know about the thread (I've only scanned...

Don't know about the thread (I've only scanned it) but the last version of the report I read said that yes, ice* blockage in the heat exchanger can cause the symptoms seen. However, it went on to say...
1st Aug 2009, 01:04
Replies: 112
Views: 53,540
Posted By WhyIsThereAir

It occurred to me to wonder if this was a cabin...

It occurred to me to wonder if this was a cabin overpressure 'pop top' that was designed to break out in the case of a severe overpressure. There is little doubt that the skin separated at the point...
Forum: Tech Log
31st Jul 2009, 01:46
Replies: 4,594
Views: 2,851,007
Posted By WhyIsThereAir

The probes I've seen (not a large number, but a...

The probes I've seen (not a large number, but a few) don't appear to have any formal temperature senesing such as a thermocouple or thermistor in them. However, that doesn't mean they don't have a...
Forum: Tech Log
30th Jul 2009, 11:13
Replies: 4,594
Views: 2,851,007
Posted By WhyIsThereAir

So, I take it you know exactly where the ice is...

So, I take it you know exactly where the ice is forming on or in the probe, and can tell Thales and Goodyear exactly what is wrong with their designs so they can fix them post haste? Or does "only...
30th Jul 2009, 03:12
Replies: 78
Views: 21,502
Posted By WhyIsThereAir

So what's the problem? He landed in a crab,...

So what's the problem? He landed in a crab, either because of the xwind or to give the camera drones a nice show. Hardly anything flexed, and I didn't see anything fall off or bend permanently.
...
29th Jul 2009, 22:14
Replies: 112
Views: 53,540
Posted By WhyIsThereAir

If it doesn't say NO STEP and you need to stand...

If it doesn't say NO STEP and you need to stand there to maintain the aircraft, standing there doesn't seem to be an unreasonable thing to do. Maybe that is why there was that bonded panel on the...
28th Jul 2009, 08:12
Replies: 42
Views: 15,641
Posted By WhyIsThereAir

Well no. It is usually a sign of boneheaded...

Well no. It is usually a sign of boneheaded management, where the managers have no comprehension that flying a plane is any different than chewing out an employee. If the managers don't konw what...
Forum: Tech Log
14th Jul 2009, 00:41
Replies: 4,594
Views: 2,851,007
Posted By WhyIsThereAir

JD -

Yes. And the same holds in English: it is generally assumed that the final point is included if it has not been specified one way or the other. So those that want to lambast the BEA for 'lying about...
Forum: Tech Log
13th Jul 2009, 20:23
Replies: 4,594
Views: 2,851,007
Posted By WhyIsThereAir

"- .1/FLR/FR0906010211 34123406IR2...

"- .1/FLR/FR0906010211 34123406IR2 1,EFCS1X,IR1,IR3,,,,ADIRU2 (1FP2),HARD"

As I read the section on analyzing ACARS messages in the BEA preliminary report, I read it that "identifiers" indicate...
Forum: Tech Log
13th Jul 2009, 20:17
Replies: 4,594
Views: 2,851,007
Posted By WhyIsThereAir

The statement is not erroneous. Up to (but not...

The statement is not erroneous. Up to (but not including) the the last point there is no sign of deviation. At the last point there is a sign of deviation.

There, how's that for showing that the...
Forum: Tech Log
11th Jul 2009, 17:32
Replies: 4,594
Views: 2,851,007
Posted By WhyIsThereAir

> There was a suggestion in the earlier thread...

> There was a suggestion in the earlier thread that the IB crew were privy to AF taking 2000 kg additional fuel. Viz,

I read the report of the IB crew as saying they had decided to take on the...
Forum: Tech Log
11th Jul 2009, 15:54
Replies: 4,594
Views: 2,851,007
Posted By WhyIsThereAir

In theory, yes. There is a section in the...

In theory, yes. There is a section in the preliminary report describing very generally the activities of the pilots for the preceeding day or so. Whether that study was (or could have been) deep...
Forum: Tech Log
11th Jul 2009, 12:19
Replies: 4,594
Views: 2,851,007
Posted By WhyIsThereAir

I don't know that there is enough information...

I don't know that there is enough information publically available to make thinking possible. Simply going by the route map in the report, yes, there does seem to be some deviation in the 02:10...
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