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Search: Posts Made By: tdracer
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Forum: Rumours & News
26th Apr 2024, 21:04
Replies: 1,808
Views: 3,090,726
Posted By tdracer

We're not talking about a Hawker - we're talking...

We're not talking about a Hawker - we're talking an A320. Especially since Lauda, most commercial airliners rather robust logic to prevent in-flight deployment since - with big underslung wing...
Forum: Rumours & News
26th Apr 2024, 17:34
Replies: 1,808
Views: 3,090,726
Posted By tdracer

Did the T/Rs actually deploy, or did he just...

Did the T/Rs actually deploy, or did he just command them (I've not read the report)? I know that (from looking at DFDR data), that some pilots will start pulling the T/R piggyback levers before...
Forum: Rumours & News
19th Apr 2024, 18:20
Replies: 1,808
Views: 3,090,726
Posted By tdracer

We need a "like" button added for this sub-forum...

We need a "like" button added for this sub-forum - this post would certainly qualify.

There are some posters on this forum that strenuously object whenever an accident is attributed to "crew...
Forum: Rumours & News
18th Apr 2024, 16:47
Replies: 1,808
Views: 3,090,726
Posted By tdracer

Apparently the warning is inhibited above a...

Apparently the warning is inhibited above a certain airspeed, since no sane person would attempt to land while going that fast. Instead I believe they got the GPWS warning - which of course they...
Forum: Rumours & News
13th Jul 2020, 18:34
Replies: 1,808
Views: 3,090,726
Posted By tdracer

Just a clarification - it wasn't lack of funding...

Just a clarification - it wasn't lack of funding so much as a lack of knowledge of how to determine the health of a system that - by definition - had just failed. When the feds came to us propulsion...
Forum: Rumours & News
2nd Jul 2020, 19:05
Replies: 1,808
Views: 3,090,726
Posted By tdracer

Gums, if you go back 20 or 40 pages (:sad:) there...

Gums, if you go back 20 or 40 pages (:sad:) there is a discussion about the gear up warning. Apparently, above 210 knots, the warning changes from 'Too Low Gear' to the GPWS 'Too Low Terrain' (or...
Forum: Rumours & News
28th Jun 2020, 23:50
Replies: 1,808
Views: 3,090,726
Posted By tdracer

Just a clarification here: The book says don't...

Just a clarification here:
The book says don't do a go-around after the reversers are deployed. BUT, the real world can throw a curve that will cause you to ignore the book (e.g. a large obstacle...
Forum: Rumours & News
25th Jun 2020, 05:01
Replies: 1,808
Views: 3,090,726
Posted By tdracer

Sorry, I wasn't clear - I know the RAT is basic...

Sorry, I wasn't clear - I know the RAT is basic (as it is on everything Boeing currently builds except the 737 - which can be flown without any hydraulics if you need to).
I was specifically asking...
Forum: Rumours & News
25th Jun 2020, 02:23
Replies: 1,808
Views: 3,090,726
Posted By tdracer

Just curious - but is that basic (and automatic)...

Just curious - but is that basic (and automatic) on the A320?
I know on the 757/767 they added hydraulic generator - but that wasn't basic, it was part of the (optional) ETOPS package. They battery...
Forum: Rumours & News
24th Jun 2020, 17:41
Replies: 1,808
Views: 3,090,726
Posted By tdracer

No firsthand knowledge of how Airbus does it, but...

No firsthand knowledge of how Airbus does it, but on most Boeing aircraft the FDR data path is fairly complex, with several systems involved. In short, you don't need to just keep the FDR powered,...
Forum: Rumours & News
23rd Jun 2020, 17:51
Replies: 1,808
Views: 3,090,726
Posted By tdracer

Repeating myself here, but not wanting to force...

Repeating myself here, but not wanting to force people to read (or re-read) all 60+ pages:
There is a picture posted (many pages back) of the CFM56-5 gearbox installation - at the six o'clock...
Forum: Rumours & News
20th Jun 2020, 18:09
Replies: 1,808
Views: 3,090,726
Posted By tdracer

Per a previous post, the "TOO LOW GEAR" alert...

Per a previous post, the "TOO LOW GEAR" alert would have been inhibited due to their airspeed - instead they would have gotten the GPWS alert - which could well have simply been dismissed as a...
Forum: Rumours & News
7th Jun 2020, 22:05
Replies: 1,808
Views: 3,090,726
Posted By tdracer

Once you make the decision to put the gearbox on...

Once you make the decision to put the gearbox on the fan case (and as I noted in a post early in this thread, on a CFM sized engine there simply isn't room to mount it on the core as is done on some...
Forum: Rumours & News
3rd Jun 2020, 02:05
Replies: 1,808
Views: 3,090,726
Posted By tdracer

I don't know about the CFM56-5, but the GE...

I don't know about the CFM56-5, but the GE engines I worked, the FADEC had a "major frame" of between 200ms and 240ms - i.e. it cycled through all the engine control functions every 200ms. So less...
Forum: Rumours & News
2nd Jun 2020, 22:00
Replies: 1,808
Views: 3,090,726
Posted By tdracer

Loma, first off I'd be surprised if the reverser...

Loma, first off I'd be surprised if the reverser moved much - there are locking actuators that shouldn't unlock in the absence of hydraulic pressure. The stowed prox sensors may go 'target far', but...
Forum: Rumours & News
2nd Jun 2020, 02:34
Replies: 1,808
Views: 3,090,726
Posted By tdracer

Not quite apples to apples - on the Gimli Glider...

Not quite apples to apples - on the Gimli Glider they told the crew they had xxxxx kilos of fuel, when in fact they had that many pounds of fuel.

My first semester of college, pocket calculators...
Forum: Rumours & News
30th May 2020, 07:26
Replies: 1,808
Views: 3,090,726
Posted By tdracer

Dude, did you actually read the posts in...

Dude, did you actually read the posts in question?:ugh::ugh: :ugh: NO ONE ever blamed the non-moving throttles. The entire throttle discussion was a thread drift regarding the Asiana (NOT Korean)...
Forum: Rumours & News
29th May 2020, 22:35
Replies: 1,808
Views: 3,090,726
Posted By tdracer

PJ, did you read my followup post #900 where I...

PJ, did you read my followup post #900 where I pointed out I was referring to the Asiana crash in SFO? Particularly this part?
Forum: Rumours & News
29th May 2020, 21:40
Replies: 1,808
Views: 3,090,726
Posted By tdracer

Sorry homebuilt - that was part of a thread drift...

Sorry homebuilt - that was part of a thread drift that started several pages back where this was compared to the Asiana 777 crash at SFO (horribly botched approach under near ideal weather conditions...
Forum: Rumours & News
29th May 2020, 20:58
Replies: 1,808
Views: 3,090,726
Posted By tdracer

A comprehensive differences training would...

A comprehensive differences training would include a solid understanding of the automatics (and other systems) and how they should be used, because the Airbus and Boeing automatics are quite...
Forum: Rumours & News
29th May 2020, 03:59
Replies: 1,808
Views: 3,090,726
Posted By tdracer

Apologies for the thread drift, but I think the...

Apologies for the thread drift, but I think the NTSB and FAA largely missed this contributing aspect of a recent transfer from an Airbus to a Boeing. SOP for doing an A/T landing in a Boeing is to...
Forum: Rumours & News
27th May 2020, 20:10
Replies: 1,808
Views: 3,090,726
Posted By tdracer

So, if the data that they crossed the threshold...

So, if the data that they crossed the threshold at 210 knots (and where still over 190 when engine nacelles impacted) is correct, they never would have gotten the "TOO LOW GEAR" warning - just the...
Forum: Rumours & News
25th May 2020, 07:23
Replies: 1,808
Views: 3,090,726
Posted By tdracer

How is that going to help, when on nearly all...

How is that going to help, when on nearly all 'low wing' installations the engines extend well below the bottom of the fuselage? What you're proposing is not meaningfully different than the fixed...
Forum: Rumours & News
25th May 2020, 02:33
Replies: 1,808
Views: 3,090,726
Posted By tdracer

Anything "exposed" that is capable of absorbing a...

Anything "exposed" that is capable of absorbing a wheels up landing while protecting the engines is going to have a huge weight and drag impact - which of course turns into a large fuel burn impact....
Forum: Rumours & News
25th May 2020, 01:50
Replies: 1,808
Views: 3,090,726
Posted By tdracer

The focus on engine component separation is...

The focus on engine component separation is 'engine to engine' isolation - i.e. any single mechanical failure will only affect one engine. Separation wise, this is mainly applied to cross engine...
Forum: Rumours & News
24th May 2020, 22:46
Replies: 1,808
Views: 3,090,726
Posted By tdracer

There are numerous design considerations that...

There are numerous design considerations that going into the design and location of the gearbox and other accessories (cross-engine debris, cooling, fire protection being just a few) - and as DR...
Forum: Rumours & News
24th May 2020, 01:46
Replies: 1,808
Views: 3,090,726
Posted By tdracer

OK, fair enough - perhaps I should have said...

OK, fair enough - perhaps I should have said "It's pretty much established from the ATC recordings that a warning was going off during their first, rushed, approach." It still means basically the...
Forum: Rumours & News
24th May 2020, 00:24
Replies: 1,808
Views: 3,090,726
Posted By tdracer

It's pretty much established from the ATC...

It's pretty much established from the ATC recordings that the overspeed warning was going off during their first, rushed, approach.
As I noted in a previous post, humans have an incredible...
Forum: Rumours & News
22nd May 2020, 22:30
Replies: 1,808
Views: 3,090,726
Posted By tdracer

Never underestimate the ability of the human mind...

Never underestimate the ability of the human mind to filter out certain sounds - especially during high stress/high workload situations (perhaps worrying about another, unrelated, issue).
Allegedly...
Showing results 1 to 29 of 29


 
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