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Search: Posts Made By: ross_M
Showing results 1 to 35 of 294
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Forum: Tech Log
24th Jul 2014, 15:51
Replies: 2,133
Views: 1,674,614
Posted By ross_M

I'm not sure I buy that argument entirely. Yes,...

I'm not sure I buy that argument entirely. Yes, the non-specialist compromise design might capture a major chunk of the market. But that doesn't mean that the niche market doesn't exist: Monster cars...
Forum: Tech Log
23rd Jul 2014, 17:29
Replies: 2,133
Views: 1,674,614
Posted By ross_M

Exclamation Article: Researchers now know why Concorde was doomed to fail

I think this article is pretty wacky but the source seemed legit (Duke University / University of Toulouse Professors writing in Journal of Applied Physics) so thought I'd put it out there for...
Forum: Tech Log
8th Dec 2013, 17:28
Replies: 6
Views: 4,251
Posted By ross_M

Gotcha! So 5% is an overly conservative estimate....

Gotcha! So 5% is an overly conservative estimate. It'd be hard or well almost impossible to approach that ratio in any reasonable scenario.

Thanks!
Forum: Tech Log
8th Dec 2013, 16:59
Replies: 6
Views: 4,251
Posted By ross_M

Duh! Stupid me. That's how they get that...

Duh! Stupid me.

That's how they get that number. Interesting. Order of magnitude does 5% make sense though? I know it'll vary between aircraft but is the ratio of total hydraulic fluid inventory...
Forum: Tech Log
8th Dec 2013, 14:32
Replies: 6
Views: 4,251
Posted By ross_M

Skydrol contamination in Fuel

I saw this quote in a FAQ on the Skydrol website. I was wondering how do they figure that 5% contamination is a worst case scenario?

Skydrol.com - Frequently Asked Questions...
Forum: Rumours & News
16th Jul 2013, 16:44
Replies: 2,403
Views: 2,196,797
Posted By ross_M

Interesting. An uncanny similarity (Wiki...

Interesting. An uncanny similarity (Wiki excerpted):

(1) Captain Asoh was a veteran pilot with roughly 10,000 hours of flight time

(2) His first officer, Captain Joseph Hazen, had similar...
Forum: Rumours & News
16th Jul 2013, 06:12
Replies: 2,403
Views: 2,196,797
Posted By ross_M

They were not forced into accepting it, were...

They were not forced into accepting it, were they? They could have refused the visual. Knowing your limitations is fundamental to any critical Maneuver.

Obviously, a visual into SFO, is not...
Forum: Rumours & News
16th Jul 2013, 05:41
Replies: 2,403
Views: 2,196,797
Posted By ross_M

Exactly! Well said. Many professions have...

Exactly! Well said.

Many professions have shifts where end-of-shift fatigue's an issue. But professionals handle this every day. We don't let a trucker excuse a crash because it was "end of...
Forum: Rumours & News
16th Jul 2013, 02:27
Replies: 2,403
Views: 2,196,797
Posted By ross_M

I think they got off too easy. Compare this...

I think they got off too easy.

Compare this to the shipping accident where Cosco Busan crashed into SFO Bay Bridge in 2007. That crew was held on US soil, without charges, for more than six...
Forum: Rumours & News
15th Jul 2013, 13:49
Replies: 2,403
Views: 2,196,797
Posted By ross_M

Nice list! :ok: I'll add some, perhaps less...

Nice list! :ok:

I'll add some, perhaps less important, points:

5. General sense of unease in Flight Crew about visual ops. (Speculative, but should be tested. Perhaps by throwing visual...
Forum: Rumours & News
15th Jul 2013, 10:51
Replies: 2,403
Views: 2,196,797
Posted By ross_M

+1 For those who want to stop discussing...

+1

For those who want to stop discussing this till the official report is out: Fine. But if any system changes are going to result, the sooner the better.

The media, policy-makers and general...
Forum: Rumours & News
15th Jul 2013, 08:43
Replies: 2,403
Views: 2,196,797
Posted By ross_M

Is there a mandatory requirement to that effect...

Is there a mandatory requirement to that effect (relief crews on flight deck for landings)? I am curious.

How many airlines' internal SOP's mandate it?
Forum: Rumours & News
14th Jul 2013, 18:12
Replies: 2,403
Views: 2,196,797
Posted By ross_M

I think pilots get off too easily sometimes. ...

I think pilots get off too easily sometimes.

If this hull loss were proven to be nothing but pilot error (speculatively , but not totally outside the realm of possibility) how is it very...
Forum: Rumours & News
14th Jul 2013, 17:49
Replies: 2,403
Views: 2,196,797
Posted By ross_M

Enough said. :D PS. I hope that effect...

Enough said. :D

PS. I hope that effect didn't last for mere seconds.
Forum: Rumours & News
14th Jul 2013, 14:48
Replies: 2,403
Views: 2,196,797
Posted By ross_M

In some ways I think this crash is unique because...

In some ways I think this crash is unique because

(1) We have a hull loss with fatalities.
(2) So far as we can guess right now, some degree of pilot error was involved. Perhaps gross error, or...
Forum: Rumours & News
14th Jul 2013, 14:29
Replies: 2,403
Views: 2,196,797
Posted By ross_M

Frankly, sounds like an overreaction. That joke /...

Frankly, sounds like an overreaction. That joke / prank may have been silly but I didn't think it was horrendously out of place or offensive or anything (compared to the baseline on american TV). The...
Forum: Rumours & News
14th Jul 2013, 10:49
Replies: 2,403
Views: 2,196,797
Posted By ross_M

But an this incident like Asiana, does it not...

But an this incident like Asiana, does it not have a fairly lasting effect on the bottom line? Compensations apart, does it hurt operating revenues?

Or not? Maybe, the flying public is forgetful...
Forum: Rumours & News
14th Jul 2013, 08:10
Replies: 2,403
Views: 2,196,797
Posted By ross_M

Here's an empirical question: From past crash /...

Here's an empirical question: From past crash / accident / incident data or FAA / NTSB stats. (or equivalent foreign stats) is there any correlation between the number of hours flown versus...
Forum: Rumours & News
14th Jul 2013, 07:10
Replies: 2,403
Views: 2,196,797
Posted By ross_M

I was thinking of that too! Maybe, instead...

I was thinking of that too!

Maybe, instead of 10,000 hour pilot we ought to be taking of 2000-landing-pilot etc.
Forum: Rumours & News
14th Jul 2013, 06:35
Replies: 2,403
Views: 2,196,797
Posted By ross_M

I'm no expert, but I doubt that.

I'm no expert, but I doubt that.
Forum: Rumours & News
14th Jul 2013, 04:34
Replies: 2,403
Views: 2,196,797
Posted By ross_M

My unsaid assumption was trainer craft time being...

My unsaid assumption was trainer craft time being cheaper than sim time.

Not true? I don't know.
Forum: Rumours & News
14th Jul 2013, 03:43
Replies: 2,403
Views: 2,196,797
Posted By ross_M

Would a requirement to have flying "by hand" time...

Would a requirement to have flying "by hand" time in cheaper trainer aircraft help any? Just curious.

Reading the past posts, one summary could be:

1. Safety etc. is pushing airlines to...
Forum: Rumours & News
11th Jul 2013, 17:56
Replies: 2,403
Views: 2,196,797
Posted By ross_M

Since when?

Since when?
Forum: Rumours & News
11th Jul 2013, 17:04
Replies: 2,403
Views: 2,196,797
Posted By ross_M

That's full circle: An article that's almost...

That's full circle: An article that's almost entirely an email snippet he mooched off here now gets mentioned at a later point in the same thread.
Forum: Rumours & News
11th Jul 2013, 12:55
Replies: 2,403
Views: 2,196,797
Posted By ross_M

Out of curiosity, how many gallons of fuel...

Out of curiosity, how many gallons of fuel remaining did they have in their tanks? Anyone know?
Forum: Rumours & News
11th Jul 2013, 12:30
Replies: 2,403
Views: 2,196,797
Posted By ross_M

"Relatively short" relative to what? If 90 secs...

"Relatively short" relative to what? If 90 secs is "relatively short" for an evac. order to be issued, what would you say is typical?
Forum: Rumours & News
11th Jul 2013, 11:31
Replies: 2,403
Views: 2,196,797
Posted By ross_M

Another example of the deference to authority...

Another example of the deference to authority syndrome? Captain's in command and if he doesn't order we sit tight. No matter how odd things seem.
Forum: Rumours & News
11th Jul 2013, 11:27
Replies: 2,403
Views: 2,196,797
Posted By ross_M

And if someone did shine a l@ser it'd be odd he...

And if someone did shine a l@ser it'd be odd he said nothing to ATC about it nor if no exclamation shows up on CVR.

Besides isn't most of that approach over the sea?
Forum: Rumours & News
11th Jul 2013, 08:15
Replies: 2,403
Views: 2,196,797
Posted By ross_M

Fair enough. Which is why I shouldn't compare...

Fair enough. Which is why I shouldn't compare these 90 secs. to some idealistic, hypothetical metric of mine.

But, what might make sense is to compare this crew to previous hull losses with...
Forum: Rumours & News
11th Jul 2013, 07:16
Replies: 2,403
Views: 2,196,797
Posted By ross_M

The sequence may be right. But was the speed of...

The sequence may be right. But was the speed of execution right?

90 secs to complete an emergency evac. checklist? Sounds long.
Forum: Rumours & News
11th Jul 2013, 05:34
Replies: 2,403
Views: 2,196,797
Posted By ross_M

This bit is a bit concerning, if true: ...

This bit is a bit concerning, if true:

"Earlier, federal safety officials said one of the pilots on the flight initially told the crew not to evacuate passengers after it crashed.

The National...
Forum: Rumours & News
10th Jul 2013, 08:05
Replies: 2,403
Views: 2,196,797
Posted By ross_M

If so, my bad. Sorry, missed that bit. But...

If so, my bad. Sorry, missed that bit.

But even if so, if FLCH set to zero is potentially a likely disaster scenario (as it seems from the discussion here; perhaps not the culprit in this case.)...
Forum: Rumours & News
10th Jul 2013, 08:00
Replies: 2,403
Views: 2,196,797
Posted By ross_M

Air Line Pilots Association issued this...

Air Line Pilots Association issued this statement. They don't seem to be liking NTSB's daily conferences much.

The Air Line Pilots Association said it was "stunned by the amount of operational...
Forum: Rumours & News
10th Jul 2013, 07:16
Replies: 2,403
Views: 2,196,797
Posted By ross_M

To me it increasingly seems that allowing FLCH to...

To me it increasingly seems that allowing FLCH to accept flight level 000 (or similar very low numbers) is nothing sort of a serious systems-design bug.

In critical systems, if you make it...
Forum: Rumours & News
9th Jul 2013, 15:26
Replies: 2,403
Views: 2,196,797
Posted By ross_M

Does the ATC have an incentive to favor a visual...

Does the ATC have an incentive to favor a visual (when ILS is up and running).

Just curious. Is there any hidden work-load aspects that are incentivising this.

How often do crews refuse an...
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