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Search: Posts Made By: alf5071h
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16th Jul 2022, 21:25
Replies: 242
Views: 71,798
Posted By alf5071h

FullWings, #142 “… you can’t do a meaningful...

FullWings, #142

“… you can’t do a meaningful range/altitude check on a Baro-VNAV approach“.

You are correct.

Some of my previous points were made as a generic guide applying to NPAs without...
16th Jul 2022, 13:45
Replies: 242
Views: 71,798
Posted By alf5071h

Uplinker, The error appears to be incorrect...

Uplinker,

The error appears to be incorrect QNH, which results in erroneous indicated altitude - what the pilots see.

An altitude - range table, based on threshold distance, relates the...
16th Jul 2022, 10:01
Replies: 242
Views: 71,798
Posted By alf5071h

“Possibly red herring …”, best grilled slowly. ...

“Possibly red herring …”, best grilled slowly.

Even if the view is irrelevant in this incident, it is an important contribution to wider thinking and alternative understandings required in modern...
15th Jul 2022, 08:03
Replies: 242
Views: 71,798
Posted By alf5071h

Altitude - Distance

Isn't the point that whilst altitude is checked first, the distance has to be from the runway / threshold.

The intent is to achieve some independence from the FMS, ideally from DME, or if not,...
15th Jul 2022, 06:38
Replies: 83
Views: 10,613
Posted By alf5071h

The rule in architecture is that form (type and...

The rule in architecture is that form (type and shape of building) follows function.
Fit for Function.
12th Jul 2022, 17:56
Replies: 242
Views: 71,798
Posted By alf5071h

FD #23 “… please, get a rough GPS-alt vs....

FD #23
“… please, get a rough GPS-alt vs. Baro-alt comparator for gross errors?“
Yes !
The point of question #7 is that depending on the particular ‘TAWS’ vendor, (maybe software standard), some...
12th Jul 2022, 09:53
Replies: 242
Views: 71,798
Posted By alf5071h

Question From the initial report:- “Particular attention...

From the initial report:- “Particular attention will be given, but not limited, to the analysis of the following points: - non-activation of TAWS alert, …”

Which ‘TAWS’ system (generic term) is...
Replies: 13
Views: 1,494
Posted By alf5071h

The recordings from the EASA Safety Week 2022,...

The recordings from the EASA Safety Week 2022, which included SMS / Resilience, are now available online:
https://www.youtube.com/playlist?list=PLYhk72r7SyLJYRwD-J-yCeA5MJHZ3cXUY

There did not...
24th May 2022, 14:02
Replies: 8,335
Views: 5,840,295
Posted By alf5071h

Switchblade. ...

Switchblade.

https://www.army-technology.com/projects/switchblade-tactical-missile-system/

Variants. Explosive warhead.
24th May 2022, 08:20
Replies: 358
Views: 159,461
Posted By alf5071h

InnerLoop, welcome. #357 a good example of how to...

InnerLoop, welcome. #357 a good example of how to start Pprune activity; now you have to maintain that quality.

A question to ask is where does the mis ‘conception’ of flying originate. Perhaps...
22nd May 2022, 16:17
Replies: 83
Views: 29,385
Posted By alf5071h

Further observations from the safety statistics. ...

Further observations from the safety statistics.

A comparison between different generations of aircraft strongly suggests that technology has improved safety. However, as the new generation...
22nd May 2022, 09:42
Replies: 83
Views: 29,385
Posted By alf5071h

“… some sort of parallel universe a few years ago...

“… some sort of parallel universe a few years ago - one in which pilots don't know how to fly, or scan their instruments?”
“… no aircraft accidents in history prior to 2015, and no recorded...
20th May 2022, 09:31
Replies: 358
Views: 159,461
Posted By alf5071h

zamboni, “… just as with cars”. This is not...

zamboni, “… just as with cars”.
This is not necessarily the future of aviation.

Cars aim for the complete works - driverless; with hard lessons being learnt so far, accidents, fatalities. And...
19th May 2022, 06:33
Replies: 35
Views: 8,187
Posted By alf5071h

nonsence, #32, an invalid contribution. The...

nonsence, #32, an invalid contribution. The wheels are down!

Anyone from the ancient Valley Hawk era, who met an ‘experimental’ HS 748 in mid Wales - at (very) low level?
19th May 2022, 06:25
Replies: 358
Views: 159,461
Posted By alf5071h

Uplinker, “exactly” … exactly. :ok: “If the...

Uplinker, “exactly” … exactly. :ok:
“If the automatics are not doing what is required,” this requires a plan, the knowledge of what is required; and then an awareness that the current situation is...
18th May 2022, 14:23
Replies: 35
Views: 8,187
Posted By alf5071h

Context, the height of the window

https://cimg3.ibsrv.net/gimg/pprune.org-vbulletin/1530x916/ecd8e874_af01_4f62_a3a4_27b4462f2e7a_a6f5c914056ce37edd44d1d8bb75dca745207dce.jpeg
13th May 2022, 17:37
Replies: 83
Views: 29,385
Posted By alf5071h

vilas, First how can you explain knowledge of...

vilas,
First how can you explain knowledge of the extent or quality of the crews ‘ignorance’.
Unlikely, pure speculation based on your assessment of the event with hindsight. False reasoning from...
13th May 2022, 14:24
Replies: 83
Views: 29,385
Posted By alf5071h

This thread is an example of how language can...

This thread is an example of how language can frame issues, biasing opinion, leading inappropriate conclusions.
The thread title ‘757 Near Stall’ does not relate to the safety investigation...
8th May 2022, 06:40
Replies: 49
Views: 13,838
Posted By alf5071h

“Perhaps Airbus should open an office nearby. ...

“Perhaps Airbus should open an office nearby.
Boeing's recent performance on military projects is not great in every instance.”

Like Airbus Americas Inc HQ USA
2550 Wasser Terrace #9100,...
3rd May 2022, 07:57
Replies: 180
Views: 88,658
Posted By alf5071h

Re safety concerns (comfort level) #179, the...

Re safety concerns (comfort level) #179, the study - ‘Distress call from the flight deck: Cross-Cultural survey of aviation professionals reveals perception that flight safety is decreasing’,...
Forum: Tech Log
2nd May 2022, 13:42
Replies: 7
Views: 1,048
Posted By alf5071h

I overlooked two important reports:- ...

I overlooked two important reports:-

https://web.archive.org/web/20200717054958if_/https://www.ise.ncsu.edu/wp-content/uploads/2017/02/Bainbridge_1983_Automatica.pdf

and 30 yrs later
...
Forum: Tech Log
1st May 2022, 19:13
Replies: 7
Views: 1,048
Posted By alf5071h

Prober, the links below might be a bit heavy for...

Prober, the links below might be a bit heavy for a school project. The debate is open, continuous; and without solution until it happens!

There could be greater value in debating the issues, man...
1st May 2022, 15:32
Replies: 180
Views: 88,658
Posted By alf5071h

Uplinker, #170, I appreciate your comments and in...

Uplinker, #170, I appreciate your comments and in principle, agree.

You identify a key aspect, the inability to understand after the fact; the human element, human factors, ourselves. There are...
27th Apr 2022, 07:52
Replies: 180
Views: 88,658
Posted By alf5071h

The adverse human view continues, ‘aircrew’, …...

The adverse human view continues, ‘aircrew’, … ‘error’ - a definition after the fact.
Similarly human activities, ‘monitor’, ‘blindly following’, ‘continuing to maintain’, describe what is assumed...
26th Apr 2022, 14:42
Replies: 180
Views: 88,658
Posted By alf5071h

Understanding incidents and accidents can be...

Understanding incidents and accidents can be biased by the initial framing.
Statements using ‘crews’, ‘pilot’, ‘they’, are more likely to be interpreted as ‘pilot bashing’, human factors at the...
25th Apr 2022, 08:09
Replies: 74
Views: 21,913
Posted By alf5071h

Krystal, #6 “The only reason for those...

Krystal, #6

“The only reason for those wrinkles, and they are excessive, is poor application technique. Once the patch is cut to size, and in place, you simply ensure even pressure is applied and...
24th Apr 2022, 16:03
Replies: 56
Views: 3,676
Posted By alf5071h

“Earthflight” + video; AA

“Earthflight” + video; AA
24th Apr 2022, 07:43
Replies: 74
Views: 21,913
Posted By alf5071h

How might the wrinkles affect the drag profile....

How might the wrinkles affect the drag profile. Or lift characteristics, stalling speed, Mach trim ?

Are the wrinkles proportional to wing flexing;- effect of mass, manoeuvre, thence control...
24th Apr 2022, 06:37
Replies: 180
Views: 88,658
Posted By alf5071h

vilas, was this a question or a statement ? ...

vilas, was this a question or a statement ?

Either way you will be surprised when realising the futility of the view, hopefully after a minor surprise; and not if but when.
Forum: Tech Log
14th Apr 2022, 06:49
Replies: 11
Views: 1,111
Posted By alf5071h

seagull, jt; for directional interest....

seagull, jt; for directional interest. https://arc.aiaa.org/doi/pdf/10.2514/1.C035222

And the more we rely on (training) simulation, the less realistic the results.
Forum: Tech Log
13th Apr 2022, 17:37
Replies: 68
Views: 64,105
Posted By alf5071h

Every question asked should trigger other...

Every question asked should trigger other thoughts (idiots rarely ask questions).

If lesser performance aircraft, higher DH, were required to fly a GA from below DH, i.e. a rejected landing...
13th Apr 2022, 14:56
Replies: 358
Views: 159,461
Posted By alf5071h

This issue should have been identified during...

This issue should have been identified during design, (system specification and vendor build) and/or manufacturer checking and testing.
Perhaps Boeing did not know of this, neither the FAA -...
7th Apr 2022, 18:07
Replies: 573
Views: 966,948
Posted By alf5071h

A simpler view of why the recorders have been...

A simpler view of why the recorders have been sent to the US is to apply the original manufacturers flight test data calibrations. An important activity at the time of download given that it might be...
7th Apr 2022, 17:56
Replies: 180
Views: 88,658
Posted By alf5071h

Thank you ekhard et al; thus my translation is...

Thank you ekhard et al; thus my translation is that a pilot (PF) has hands on stick and throttle, crew push buttons.

And for, and in-between these states the critical need to understand the...
7th Apr 2022, 13:51
Replies: 180
Views: 88,658
Posted By alf5071h

Pilots control aircraft, Crews command...

Pilots control aircraft,

Crews command systems,

Which applies in this incident ?

Were there any changes between command and control or vice versa, when, why, how ?
Showing results 1 to 35 of 1000
 


 
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