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Search: Posts Made By: infrequentflyer789
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11th Nov 2021, 09:23
Replies: 175
Views: 93,266
Posted By infrequentflyer789

hunbet Pure speculation on my part but I'd...

hunbet

Pure speculation on my part but I'd say it probably happened sometime between the previous flight and the accident flight...
:E

Looks like carbon copy of Ameristar 9363. Not sure what...
13th Aug 2021, 09:36
Replies: 3
Views: 1,645
Posted By infrequentflyer789

Saw the latter stages as I live more or less...

Saw the latter stages as I live more or less under LBA approach. The Typhoon got the attention via the ears, first look out the window was "that looks awfully close to that light on approach" - then...
28th Jun 2021, 14:40
Replies: 70
Views: 42,831
Posted By infrequentflyer789

Wirbelsturm Looking at the tweeted images of...

Wirbelsturm

Looking at the tweeted images of the letter, FAA actually told Boeing that they had in fact failed to even follow their own processes let alone comply with the FAA's.

I would have...
26th May 2021, 23:13
Replies: 76
Views: 22,799
Posted By infrequentflyer789

IcePack But were they actually trained at...

IcePack

But were they actually trained at all in a relevant scenario (whether sim was faithful or not) ? I understood from the report that they were definitely not trained in either stall or UAS...
9th Apr 2021, 11:04
Replies: 24
Views: 15,571
Posted By infrequentflyer789

Yeah, but that's obviously because they are being...

Yeah, but that's obviously because they are being much more careful and much safer which will be more cost effective in the long run because they won't be crashing aircraft.

Well, in theory they...
31st Mar 2021, 15:27
Replies: 850
Views: 844,603
Posted By infrequentflyer789

Still all-eggs-in-one-basket rather than...

Still all-eggs-in-one-basket rather than redundancy - but multiple would carry weight penalties and temptation of making them less crash-survivable and risking all of them not surviving, tradeoff as...
26th Mar 2021, 21:53
Replies: 850
Views: 844,603
Posted By infrequentflyer789

If it helps, this is my attempt at a...

If it helps, this is my attempt at a not-actually-Photoshop overlay:

https://cimg2.ibsrv.net/gimg/pprune.org-vbulletin/768x711/untitled_7fc0ae7a829c0e2c8bab50d1ac98dc03a0d13471.jpg

For rough...
7th Mar 2021, 20:05
Replies: 281
Views: 205,371
Posted By infrequentflyer789

May be some selection bias there - if the flaws...

May be some selection bias there - if the flaws we don't find are the ones on the inside which then lead to big news failures it doesn't follow that they always (or even mostly) fail that way, it may...
9th Feb 2021, 15:47
Replies: 75
Views: 40,049
Posted By infrequentflyer789

PilotLZ If you actually run the numbers on...

PilotLZ

If you actually run the numbers on that strategy it doesn't look so good though.

Using UK figures (self-interest herby declared) the vulnerable number around 10million, (8.7 over 70 +...
27th Jan 2021, 21:40
Replies: 75
Views: 40,049
Posted By infrequentflyer789

I would say the same... except for the fact that...

I would say the same... except for the fact that there are new. more transmissible, variants around since about Nov/Dec. That and the fact that I have heard similar numbers in warnings from personal...
27th Jan 2021, 20:33
Replies: 64
Views: 40,368
Posted By infrequentflyer789

That isn't what the post was referring to, it is...

That isn't what the post was referring to, it is referring to the manual trim being too weak to overcome aero forces (and therefore "locked" both ways) unless the pilot releases the control column...
Forum: Questions
16th Jan 2021, 20:54
Replies: 4
Views: 1,621
Posted By infrequentflyer789

Consider what you are protecting against. If...

Consider what you are protecting against.

If there are two of you sat in row 0 and one has covid, it's a good bet (in my opinion) both will have covid by end of flight, mask or not. Masks cut down...
9th Jan 2021, 18:50
Replies: 850
Views: 844,603
Posted By infrequentflyer789

I'd also throw in XL 888T if we're considering...

I'd also throw in XL 888T if we're considering multiple sensor failure and flight control law degradation.



In theory, IF the other crew member is not disorientated and intervenes in time and...
8th Jan 2021, 17:04
Replies: 724
Views: 318,386
Posted By infrequentflyer789

Thinking along similar lines, I note also that...

Thinking along similar lines, I note also that the deaths caused by Boeing were not in the US and (vast majority) not US citizens.

BP (via US subcontractors) killed 11 on DeepWater Horizon, fine...
Forum: Jet Blast
21st Dec 2020, 21:40
Replies: 40
Views: 14,961
Posted By infrequentflyer789

From the perspective of a susceptible ("extremely...

From the perspective of a susceptible ("extremely clinically vulnerable") person, it looks a little different, the problem is that if the epidemic is growing, those asymptomatic cases multiply to the...
Forum: Jet Blast
21st Dec 2020, 20:32
Replies: 40
Views: 14,961
Posted By infrequentflyer789

Earliest signs of it in the tests have been...

Earliest signs of it in the tests have been traced back to late Sept, but that doesn't mean it was identified back then, or that it was identified as significant and growing. Preliminary paper only...
20th Dec 2020, 18:33
Replies: 151
Views: 101,300
Posted By infrequentflyer789

Debateable whether or not the LiON batteries were...

Debateable whether or not the LiON batteries were a new or advancing technology, certainly to an outside observer they look like an extant tech that was new to transport aircraft, and was thought at...
2nd Dec 2020, 13:44
Replies: 724
Views: 318,386
Posted By infrequentflyer789

oldchina Boeing was fully caught up by 1995...

oldchina

Boeing was fully caught up by 1995 with, arguably, a better FBW system having learned from Airbus's FBW launch. All they had to do was spread that 777 platform across the size range, as...
1st Dec 2020, 23:48
Replies: 724
Views: 318,386
Posted By infrequentflyer789

Even if we leave aside the "in principle" and the...

Even if we leave aside the "in principle" and the regs, the fundamental problem remains: "no new (sim) training" was part of the design.

Training could not have substituted for MCAS, could not...
18th Nov 2020, 15:29
Replies: 49
Views: 21,588
Posted By infrequentflyer789

BP: So, $25 billion eh? Y'all want me to carry on...

BP: So, $25 billion eh? Y'all want me to carry on holding this beer Mr Boeing?
Forum: Tech Log
29th Oct 2020, 18:13
Replies: 55
Views: 7,176
Posted By infrequentflyer789

Or you could put strap a really big, uncompressed...

Or you could put strap a really big, uncompressed H2 tank on top. Would add massive drag, so speeds would be limited, but on the other hand it would provide lift. Might take longer to get from A to B...
Forum: Tech Log
28th Oct 2020, 18:30
Replies: 35
Views: 14,471
Posted By infrequentflyer789

Agree but for a couple of pedantic nitpicks: On...

Agree but for a couple of pedantic nitpicks: On ET I am pretty sure MCAS only appeared when autopilot disengaged (it was engaged for half a minute), which I think was after flaps up. Also, MCAS...
27th Oct 2020, 20:09
Replies: 90
Views: 20,833
Posted By infrequentflyer789

Well negative test kind of sort of proves that...

Well negative test kind of sort of proves that you are not actually shedding virus right now. If the tests are reasonably accurate they may be good enough to clear you for entering airport and flight...
20th Oct 2020, 09:54
Replies: 129
Views: 41,520
Posted By infrequentflyer789

Sloppy math behind the presentation too...

Sloppy math behind the presentation too apparently. Latest seems to be that one of the authors of the original research objected to the way it's been used/presented, declined to take part in the...
18th Oct 2020, 20:41
Replies: 724
Views: 318,386
Posted By infrequentflyer789

RetiredBA/BY Easy to look him up, quoting...

RetiredBA/BY

Easy to look him up, quoting from the accident report (my bold):The captain, age 57, was hired by Pacific Southwest Airlines on February 25, 1980. Before this, he flew McDonnell...
6th Oct 2020, 09:01
Replies: 51
Views: 41,323
Posted By infrequentflyer789

Or if you are already dying - air ambulance units...

Or if you are already dying - air ambulance units are already testing these things for mountain rescue, see https://www.greatnorthairambulance.co.uk/our-work/news/the-jet-suit-paramedic/

I'm not...
27th Sep 2020, 16:24
Replies: 724
Views: 318,386
Posted By infrequentflyer789

ET final is not out yet (pretty sure),...

ET final is not out yet (pretty sure), preliminary report is available via archive.org if official site not working (I have it and can send it, if I can attach to PMs, but the archive link should...
27th Sep 2020, 14:59
Replies: 129
Views: 41,520
Posted By infrequentflyer789

Crew are being quarantined some places, not...

Crew are being quarantined some places, not optionally. Pilots may get away with it (not as dumb as it sounds - being in prolonged contact with anyone not also on flight deck is/should-be unlikely)....
26th Sep 2020, 15:26
Replies: 724
Views: 318,386
Posted By infrequentflyer789

DaveReidUK Can't recall if it was a third...

DaveReidUK

Can't recall if it was a third AOA vane or a third AOA source, but I think it is the latter, in which case I guess it could be synthetic provided the calculation is independent of the...
24th Sep 2020, 10:09
Replies: 724
Views: 318,386
Posted By infrequentflyer789

tdracer I am guessing this was before the ET...

tdracer

I am guessing this was before the ET FDR traces were released, be interesting if you asked now and they all said that the first thing they'd do was get the a/c back in trim and then turn...
21st Sep 2020, 14:29
Replies: 129
Views: 41,520
Posted By infrequentflyer789

Thanks, this is the paper referred to in various...

Thanks, this is the paper referred to in various news articles this morning that I was struggling to find a link to.

In summary: :mad::mad:

Paper looks pretty thorough, on first read through...
20th Sep 2020, 23:57
Replies: 724
Views: 318,386
Posted By infrequentflyer789

Nope, engineers usually can't and don't overrule...

Nope, engineers usually can't and don't overrule management cost decisions, they can't reassign budgets or move funding.

They can, and should, refuse to do what is unacceptable when asked, that is...
Forum: Jet Blast
20th Sep 2020, 11:34
Replies: 167
Views: 64,491
Posted By infrequentflyer789

Joe le Taxi Yes, most people survive covid...

Joe le Taxi

Yes, most people survive covid (some admittedly permanently disabled, but we don't know how many yet so lets forget about them). Yes most people dying of covid are old - but same for...
15th Sep 2020, 14:02
Replies: 129
Views: 41,520
Posted By infrequentflyer789

Bindair Dundat Interesting, how Boeing must...

Bindair Dundat

Interesting, how Boeing must wish the World had done it your way over MAX and MCAS. Read the accident reports, decide there is no solution in there, and that the solution is to...
15th Sep 2020, 11:51
Replies: 151
Views: 101,300
Posted By infrequentflyer789

Joe_K Not sure that's the right link for the...

Joe_K

Not sure that's the right link for the quote, this one definitely has it:...
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