Search found 27052 matches

by Revelation
Wed Dec 08, 2021 2:14 am
Forum: Civil Aviation
Topic: Air Cargo (non-Amazon/DHL) Thread - 2021
Replies: 2832
Views: 401911

Re: Air Cargo (non-Amazon/DHL) Thread - 2021

4. The floor rollers are typically a ball in a cup with full motion. Are these just on the floor panels or are their reinforcement to get the load to the typical floor beams. I thought the 767 floor beams were adequate for freight conversion (but the 777 was not) yet here it looked like beams were ...

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by Revelation
Tue Dec 07, 2021 5:36 pm
Forum: Civil Aviation
Topic: Updated: Boeing's Fatal Flaw, former Chief Technical Pilot indicted
Replies: 478
Views: 57283

Re: Updated: Boeing's Fatal Flaw, former Chief Technical Pilot indicted

But everything to do with an AOA failure I would think. So what's the story? Nobody kept track of AOA failure rate and what happened over 20 years? The four second undocumented rule was used to cover all the failure modes. Convenient, eh? No need for all that costly analysis and testing, one guy sa...

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by Revelation
Mon Dec 06, 2021 11:03 pm
Forum: Civil Aviation
Topic: Airbus A320 Family P2F News and Discussion Thread
Replies: 290
Views: 74118

Re: A321 P2F News and Discussion Thread

ben7x wrote:
Don’t know why one would choose an A320P2F over an A321P2F?

Shorter aircraft is going to be lighter than the longer one, without corresponding reduction in max takeoff weight, therefore can lift more fuel+payload.

If you need volume you go A321, if you need payload and/or range, you go A320.

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by Revelation
Mon Dec 06, 2021 10:56 pm
Forum: Non-Aviation
Topic: F1 - 2021 Season
Replies: 896
Views: 53793

Re: F1 - 2021 Season

Interesting statement, almost reads as a confession that RB can't win on merit so has resort to cheating to have a chance. How does that even remotely resemble the meaning of what I've written? From an NFL perspective, think of it as a Hail Mary pass. Is that cheating? When it involves pushing play...

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by Revelation
Mon Dec 06, 2021 8:06 pm
Forum: Civil Aviation
Topic: Air Cargo (non-Amazon/DHL) Thread - 2021
Replies: 2832
Views: 401911

Re: Air Cargo (non-Amazon/DHL) Thread - 2021

https://twitter.com/AirCanada/status/1467599662907629586 This is a pretty cool time lapse of an AC 767-300ER being converted to a Cargo ship. Its about 2:00 long. So, are they relocating all the systems to the crown, then replacing the main deck floor beams? I thought this is something that was dis...

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by Revelation
Mon Dec 06, 2021 5:21 pm
Forum: Civil Aviation
Topic: Qatar Airways has grounded 13 A350’s at the request of the Qatar Aviation regulator
Replies: 584
Views: 113732

Re: Qatar Airways has grounded 13 A350’s at the request of the Qatar Aviation regulator

https://www.reuters.com/article/airbus-a350-idUSKBN2IL1KM Apparently Delta has seen some issues on their 350s as well. According to sources And EASA is now admitting there is a problem, yet not one that covers the twenty airplanes the Qatari regulator has grounded. The European Union Aviation Safet...

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by Revelation
Mon Dec 06, 2021 5:15 pm
Forum: Non-Aviation
Topic: F1 - 2021 Season
Replies: 896
Views: 53793

Re: F1 - 2021 Season

If it was the old layout I would say that RedBull has got this (very Mexico like in some of the turns). Although Merc has won every race here in the turbo-hybrid era with the exception of 2020 when Lewis has the championship wrapped up and had just recovered from Covid giving Max the win last year....

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by Revelation
Mon Dec 06, 2021 5:01 pm
Forum: Civil Aviation
Topic: Airbus A321XLR Development Production Testing Thread - 2021
Replies: 203
Views: 53139

Re: Airbus A321XLR Development Production Testing Thread - 2021

https://twitter.com/airbus/status/1467844324733997060?s=21 Oh it looks so clean! Love that it has come together. So flight test will start next year right? From the comment section: "Wings for that were built ages ago.". Well, yes, but in the great scheme of things, it hasn't held the air...

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by Revelation
Mon Dec 06, 2021 4:45 pm
Forum: Non-Aviation
Topic: F1 - 2021 Season
Replies: 896
Views: 53793

Re: F1 - 2021 Season

For what its worth, if the last few races have shown anything it's that Hamilton races at a different level when he's pissed off ....... What was it Toto said in Brazil? "They've woken the Lion" They should keep on doing it ...... :) I think a big part of it is the driver, but another par...

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by Revelation
Mon Dec 06, 2021 4:29 pm
Forum: Civil Aviation
Topic: Updated: Boeing's Fatal Flaw, former Chief Technical Pilot indicted
Replies: 478
Views: 57283

Re: Updated: Boeing's Fatal Flaw, former Chief Technical Pilot indicted

Why was MCAS considered part of the speed trim system? Just because it was a computer that took an input to control the stab? That seems rather broad. I thought speed trim took in the input of speed to adjust the stab, while MCAS took in the input of AOA. That seems like a bad assumption that would...

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by Revelation
Mon Dec 06, 2021 3:30 pm
Forum: Non-Aviation
Topic: F1 - 2021 Season
Replies: 896
Views: 53793

Re: F1 - 2021 Season

It is silly, that Verstappen got only a 10 sec penalty; this is the biggest joke et all. So you think it would be fair to punish him more, more than 3 times getting ordered to let your opponent fly by, getting 5 seconds penalty. And moreover, you think it is a worse offence than knocking your oppon...

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by Revelation
Sun Dec 05, 2021 2:47 pm
Forum: Non-Aviation
Topic: F1 - 2021 Season
Replies: 896
Views: 53793

Re: F1 - 2021 Season

I want to see pure racing this weekend and next, not Christian (add in old man Marko) and Toto complaining to each other and the FIA. At least no one forced Max into the wall, it's all on him. That would be a five place grid drop for Verstappen if they do have to take one. From what I've seen grid ...

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by Revelation
Sun Dec 05, 2021 2:40 pm
Forum: Civil Aviation
Topic: Updated: Boeing's Fatal Flaw, former Chief Technical Pilot indicted
Replies: 478
Views: 57283

Re: Updated: Boeing's Fatal Flaw, former Chief Technical Pilot indicted

The main reason to just go with the four second rule would be to save time and money. The main reason was that this was the standard by which the airplane had been previously certified. If it is certifiable it is a safe airplane. Those previous airplanes didn't have MCAS, Their failure modes were f...

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by Revelation
Sat Dec 04, 2021 8:35 pm
Forum: Civil Aviation
Topic: Qatar Airways has grounded 13 A350’s at the request of the Qatar Aviation regulator
Replies: 584
Views: 113732

Re: Qatar Airways has grounded 13 A350’s at the request of the Qatar Aviation regulator

QR leasing 4 77W from CX: These are aircraft that were were returned to the lessor by CX and placed by the lessor with another customer. The way you have written this would suggest CX is leasing the aircraft to QR, the majority of 77Ws CX operated were leased, and many have been returned to lessors...

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by Revelation
Sat Dec 04, 2021 4:01 pm
Forum: Civil Aviation
Topic: Qatar Airways has grounded 13 A350’s at the request of the Qatar Aviation regulator
Replies: 584
Views: 113732

Re: Qatar Airways has grounded 13 A350’s at the request of the Qatar Aviation regulator

IIRC, it was fairly late in the development of the 787s that it was realized that lightning protection had to be added to the automated layup of the fuselage. It struck me at the time that it was kind of late to realize that. Any number of people on and off site (including Airbus) did not think the...

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by Revelation
Sat Dec 04, 2021 3:52 pm
Forum: Civil Aviation
Topic: United seeks donations to purchase its Sustainable Aviation Fuel
Replies: 44
Views: 5164

Re: United seeks donations to purchase its Sustainable Aviation Fuel

Folks this is just a precursor to the real ask - billions in subsidies from the US Treasury to either make or purchase SAF. The CEO's have already gone to the White House to start the process. https://www.reuters.com/article/us-usa-white-house-airlines/airline-ceos-urge-white-house-support-for-gree...

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by Revelation
Sat Dec 04, 2021 3:37 pm
Forum: Civil Aviation
Topic: Updated: Boeing's Fatal Flaw, former Chief Technical Pilot indicted
Replies: 478
Views: 57283

Re: Updated: Boeing's Fatal Flaw, former Chief Technical Pilot indicted

I still doubt there was much argument. That would bring in aoa failure showing up as a multiple failures. IMHO things were kept very quiet to avoid that very issue - it is ok as is, so it will still be ok with tweaks, nothing to see here, move along. I've sen similar things in my engineering career...

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by Revelation
Sat Dec 04, 2021 3:11 pm
Forum: Civil Aviation
Topic: Updated: Reuters: Airbus launches A350 freighter
Replies: 1833
Views: 310484

Re: Updated: Reuters: Airbus launches A350 freighter

There are quite a few questions up thread on how Airbus managed to achieve the published A350F weights or differentials https://tinyurl.com/2p8c4afj . Leeham https://tinyurl.com/4zvkb72r claims a big reduction in weight compared to an A350-1000: A big portion of the 46t increase in payload over the...

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by Revelation
Sat Dec 04, 2021 2:58 pm
Forum: Civil Aviation
Topic: Updated: Boeing's Fatal Flaw, former Chief Technical Pilot indicted
Replies: 478
Views: 57283

Re: Updated: Boeing's Fatal Flaw, former Chief Technical Pilot indicted

You aren't going to see a paper trail for the question that you are asking. I was suggesting that Congress use the paper trail to find the individuals to interview, something they apparently did not do. The E-UM(s) responsible for finding compliance, as MCAS had been delegated to Boeing, would have...

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by Revelation
Fri Dec 03, 2021 9:31 pm
Forum: Civil Aviation
Topic: First Pratt A320neo Engine Update Since 2016: Disappointing?
Replies: 30
Views: 6020

Re: First Pratt A320neo Engine Update Since 2016: Disappointing?

Would this mean that they are pretty much done making GTF upgrades for the current aircraft generation? Seems that way to me, how else should it be read? By the way, they state that the Advantage will be 100% compatible with SAF: The whole point of SAF is to minimize what the aviation industry has ...

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by Revelation
Fri Dec 03, 2021 8:57 pm
Forum: Civil Aviation
Topic: Updated: Boeing's Fatal Flaw, former Chief Technical Pilot indicted
Replies: 478
Views: 57283

Re: Updated: Boeing's Fatal Flaw, former Chief Technical Pilot indicted

There is something about Chief Engineer mentioned just above, and basically he knew nothing about the situation. While his actions are (criminally?) negligent, I don't see anyone above him to be really in the know of technical details. So it would fall on lower level engineering... Right, I mean fo...

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by Revelation
Fri Dec 03, 2021 8:36 pm
Forum: Civil Aviation
Topic: Updated: Boeing's Fatal Flaw, former Chief Technical Pilot indicted
Replies: 478
Views: 57283

Re: Updated: Boeing's Fatal Flaw, former Chief Technical Pilot indicted

The key decision makers were the Flight Controls and Stability & Control engineers that brought the MCAS change forward to Change Board for approval. It would have been Flight Controls and S&C responsibility to have coordinated the change with affected functions and organizations, which wou...

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by Revelation
Fri Dec 03, 2021 8:28 pm
Forum: Civil Aviation
Topic: Updated: Boeing's Fatal Flaw, former Chief Technical Pilot indicted
Replies: 478
Views: 57283

Re: Updated: Boeing's Fatal Flaw, former Chief Technical Pilot indicted

And what would that change, after all? It is possibly possible to put someone (two, ten ones) behind the bars. Would it resurrect those who died? Would it help MAX to be a better plane? Would it make future planes safer? Any follow up is only as good as it would make for some better future. Putting...

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by Revelation
Fri Dec 03, 2021 8:09 pm
Forum: Civil Aviation
Topic: First Pratt A320neo Engine Update Since 2016: Disappointing?
Replies: 30
Views: 6020

Re: First Pratt A320neo Engine Update Since 2016: Disappointing?

I could throw around some theories but basically clutching at straws: My straw clutching thoughts are more focused on the management/customer/money side of things. Maybe the EIS problems then COVID mean the program has higher expenditures and lower revenue than planned. Maybe market share is lower ...

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by Revelation
Fri Dec 03, 2021 7:41 pm
Forum: Civil Aviation
Topic: Qatar Airways has grounded 13 A350’s at the request of the Qatar Aviation regulator
Replies: 584
Views: 113732

Re: Qatar Airways has grounded 13 A350’s at the request of the Qatar Aviation regulator

https://livefromalounge.com/qatar-airwa ... -aircraft/

Wonder it the cost of this will eventually end up on Airbus's tab?
-->

QR leasing 4 77W from CX:

https://livefromalounge.com/qatar-airwa ... -aircraft/

Wonder it the cost of this will eventually end up on Airbus's tab?

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by Revelation
Fri Dec 03, 2021 7:37 pm
Forum: Civil Aviation
Topic: Updated: Boeing's Fatal Flaw, former Chief Technical Pilot indicted
Replies: 478
Views: 57283

Re: Updated: Boeing's Fatal Flaw, former Chief Technical Pilot indicted

But the change appears to have been inadvertently hidden from the FAA human factors regulators and hidden from the technical pilots who would have been the ones to challenge the hazardous classification. Or maybe it was not inadvertent, but we'll never know because Boeing has managed to keep the ke...

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by Revelation
Fri Dec 03, 2021 6:46 pm
Forum: Civil Aviation
Topic: Airbus A321XLR Development Production Testing Thread - 2021
Replies: 203
Views: 53139

Re: Airbus A321XLR Development Production Testing Thread - 2021

Yes, 1% improvement is indeed not very overwhelming. Feels like people not wanting to risk the status quo even further and keep something for later use. Why leave it for future use? They said they knew approaches back in 2017 that would pay off, they are behind on market share, they don't have a mo...

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by Revelation
Fri Dec 03, 2021 6:11 pm
Forum: Civil Aviation
Topic: Updated: Boeing's Fatal Flaw, former Chief Technical Pilot indicted
Replies: 478
Views: 57283

Re: Updated: Boeing's Fatal Flaw, former Chief Technical Pilot indicted

They will continue to stall like they have been doing. They sure don't want congress knowing the truth. Then Congress can stall on the next set of payments for KC-46, F-15 EX, etc. What does the FAA stalling Congress have to do with the KC-46, F-15EX? Good point, I had a brain fart. Congress also c...

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by Revelation
Fri Dec 03, 2021 5:00 pm
Forum: Civil Aviation
Topic: Airbus A321XLR Development Production Testing Thread - 2021
Replies: 203
Views: 53139

Re: Airbus A321XLR Development Production Testing Thread - 2021

I'm not sure if it's in the aviationweek article, but Leehamnews indicated a 2-4% SFC improvement a few months back: https://leehamnews.com/2020/03/30/pratt-whitney-committed-to-advanced-gtf-for-airbus/ And in 2017 Pratt were talking 5-7% for the mid-2020s, now we are getting 1% for 2024. Ref: http...

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by Revelation
Fri Dec 03, 2021 4:43 pm
Forum: Civil Aviation
Topic: Saudia 2022 Wide-body Order: 787,777X,A350
Replies: 27
Views: 7486

Re: Saudia 2022 Wide-body Order: 787,777X,A350

Shame not to see the A330neo in the running. I agree, it keeps getting eliminated in the early rounds, and I'm not sure why. It is more than adequate for "regional" use, and in this case no problem with EU, Africa, Asia, Oceana, given where Saudi is positioned. Maybe it is the predictive ...

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by Revelation
Fri Dec 03, 2021 4:36 pm
Forum: Civil Aviation
Topic: Updated: Boeing's Fatal Flaw, former Chief Technical Pilot indicted
Replies: 478
Views: 57283

Re: Updated: Boeing's Fatal Flaw, former Chief Technical Pilot indicted

It appears that some member of the US Congress are asking for more details on the Boeing 737 Max oversight by the FAA. We will see if this amounts to anything or not. For details go to https://www.reuters.com/business/aerospace-defense/us-lawmakers-ask-faa-detail-boeing-737-max-oversight-2021-11-29...

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by Revelation
Fri Dec 03, 2021 4:32 pm
Forum: Civil Aviation
Topic: First Pratt A320neo Engine Update Since 2016: Disappointing?
Replies: 30
Views: 6020

Re: First Pratt A320neo Engine Update Since 2016: Disappointing?

Is it possible that P & W has indeed already introduced some of the originally intended PiP as part of its efforts to address the reliability issues? Possible, but in today's green-washed world, I think we'd hear about any detectable improvement in fuel burn as it happened. I also think the cur...

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by Revelation
Fri Dec 03, 2021 3:54 pm
Forum: Civil Aviation
Topic: Updated: Boeing's Fatal Flaw, former Chief Technical Pilot indicted
Replies: 478
Views: 57283

Re: Fresh Air interview: decline of Boeing as an Engineering leader

Im about a 1/3 way through the book, this is a must read for anutters. How Boeing (and Im sure many other companies) got totally messed up by the Welch GE view of providing shareholder value and not concentrating on their products will be something they teach in biz schools in the future, along wit...

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by Revelation
Fri Dec 03, 2021 4:09 am
Forum: Civil Aviation
Topic: Boeing 737MAX Return to Service Thread 2021
Replies: 105
Views: 56847

Re: Boeing 737MAX Return to Service Thread 2021

Reuters now reports: In the next stage, the planes will need to be modified and removed from storage and pilots will require additional training, CAAC official Yang Zhenmei told reporters. "And then after obtaining the supplementary approval for operation, it is expected airlines will resume co...

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by Revelation
Thu Dec 02, 2021 11:28 pm
Forum: Civil Aviation
Topic: United seeks donations to purchase its Sustainable Aviation Fuel
Replies: 44
Views: 5164

Re: United seeks donations to purchase its Sustainable Aviation Fuel

Same old recipe: Capitalize profits, socialize losses...

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by Revelation
Thu Dec 02, 2021 11:25 pm
Forum: Civil Aviation
Topic: Emirates Network & Fleet Discussion - 2021
Replies: 794
Views: 94724

Re: Emirates Network & Fleet Discussion - 2021

Western727 wrote:
I wonder how the Omicron variant will impact this and other routes.

Some recent thoughts from EK's CEO:

Emirates says Omicron could bring ‘significant traumas’ for aviation industry

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by Revelation
Thu Dec 02, 2021 8:59 pm
Forum: Non-Aviation
Topic: As Boeing's stock falls, is it time for investors to buy?
Replies: 39
Views: 3727

Re: As Boeing's stock falls, is it time for investors to buy?

Boeing is not suffering from a secular change of people not flying. On the contrary, nations are becoming more affluent and air travel more affordable hence the demand for air travel is not declining, just the opposite. There are no macro factors affecting Boeing. Boeing is suffering at least in th...

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by Revelation
Thu Dec 02, 2021 8:45 pm
Forum: Non-Aviation
Topic: As Boeing's stock falls, is it time for investors to buy?
Replies: 39
Views: 3727

Re: As Boeing's stock falls, is it time for investors to buy?

I still think a significant portion of IBM problems stems from closing III-V program in 1990, if I remember correctly. So they couldn't cash on internet boom. And a few high-profile decisions, like microchannel architecture, made life difficult for them. It is hard to draw direct comparison from th...

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by Revelation
Thu Dec 02, 2021 7:52 pm
Forum: Non-Aviation
Topic: As Boeing's stock falls, is it time for investors to buy?
Replies: 39
Views: 3727

Re: As Boeing's stock falls, is it time for investors to buy?

The larger issue here is that Boeing is a critical technology company whose performance (or lack of it) has a significant impact on the US economy. How much longer can Boeing issue debt to try to keep a business of their massive size running before the potential bondholders say, "No mas! No ma...

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by Revelation
Thu Dec 02, 2021 7:43 pm
Forum: Civil Aviation
Topic: First Pratt A320neo Engine Update Since 2016: Disappointing?
Replies: 30
Views: 6020

Re: First Pratt A320neo Engine Update Since 2016: Disappointing?

Thrust is more important at this point. Its still got better fuel burn than the LEAP even without any PIP's Has this been quantified? I have in years past posted questions about this and no one answers. If this was the case the LEAP market share of A320 orders would be lower. Depends on maintenance...

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by Revelation
Thu Dec 02, 2021 6:19 pm
Forum: Civil Aviation
Topic: Airbus pushed for A220-500, replacing A320CEO / 737-800.. ?
Replies: 291
Views: 51342

Re: Airbus pushed for A220-500, replacing A320CEO / 737-800.. ?

They say, we will see the A220-500, when the production rate is up to 14 per year? OK, so we will see it around 2024 or 2025. I guess that is just your opinion, since I just quoted where Airbus CCO Scherer just said no date for a stretch exists. I guess QR would disagree about your characterization...

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by Revelation
Thu Dec 02, 2021 6:10 pm
Forum: Civil Aviation
Topic: Qatar Airways has grounded 13 A350’s at the request of the Qatar Aviation regulator
Replies: 584
Views: 113732

Re: Qatar Airways has grounded 13 A350’s at the request of the Qatar Aviation regulator

According to Wikipedia, there have been 443 A350s delivered so far. Is it safe to assume that all of them will need the fix, whatever it is? No one knows what "the fix" will be. I would not automatically assume every plane needs a "fix". It could be more a preventative approach ...

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by Revelation
Thu Dec 02, 2021 6:03 pm
Forum: Civil Aviation
Topic: Boeing 737MAX Return to Service Thread 2021
Replies: 105
Views: 56847

Re: Boeing 737MAX Return to Service Thread 2021

Things can't be tht bad or Boeing orders would have been cancelled and Airbus ordered in their place Airbus can't keep up with that level of demand Nor can customers cancel orders easily. Boeing has indicated the bulk of the compensation payments have been made, and usually the compensation payment...

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by Revelation
Thu Dec 02, 2021 5:57 pm
Forum: Civil Aviation
Topic: COVID-19 News and Reference Thread
Replies: 844
Views: 571972

Re: COVID-19 News and Reference Thread

Emirates CEO expresses concerns related to Omicron:

Emirates says Omicron could bring ‘significant traumas’ for aviation industry

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by Revelation
Thu Dec 02, 2021 5:49 pm
Forum: Civil Aviation
Topic: Airbus pushed for A220-500, replacing A320CEO / 737-800.. ?
Replies: 291
Views: 51342

Re: Airbus pushed for A220-500, replacing A320CEO / 737-800.. ?

He is refusing to develop the -500 variant, at small variable cost (a profitable decision) until the A220 PROGRAM is profitable without the 500. Sorry, he is not saying he will develop the 500 anytime soon. He is being completely asinine You are responding to a 2 week old quote in this thread where...

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by Revelation
Thu Dec 02, 2021 5:17 pm
Forum: Non-Aviation
Topic: As Boeing's stock falls, is it time for investors to buy?
Replies: 39
Views: 3727

Re: As Boeing's stock falls, is it time for investors to buy?

I would wait for signs that the 'curse' is ending and that Boeing has at least plateau'd even watch to see some new green shoots coming up out of the ashes. One might miss the bottom on the stock, but is better than sliding down another hill when they faceplant again. I really like Boeing and I bel...

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by Revelation
Thu Dec 02, 2021 5:04 pm
Forum: Civil Aviation
Topic: First Pratt A320neo Engine Update Since 2016: Disappointing?
Replies: 30
Views: 6020

Re: First Pratt A320neo Engine Update Since 2016: Disappointing?

I would imagine the official launch of the XLR in 2019 shifted Pratt’s immediate focus from improving fuel burn of the PW1100G to increasing thrust. Incremental fuel burn improvements would likely have taken a back seat to getting an engine with enough thrust on the wing of the XLR in time for EIS....

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by Revelation
Thu Dec 02, 2021 4:11 pm
Forum: Civil Aviation
Topic: Boeing 737MAX Return to Service Thread 2021
Replies: 105
Views: 56847

Re: Boeing 737MAX Return to Service Thread 2021

Yes, this is true. But at least better than yesterday and the next thing now is just to clear the airspace which HOPEFULLY will follow imminently. But yes China is taking its sweet time. Is this also an indication that US-China relations are beginning to thaw? I don't think so. Boeing earlier said ...

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by Revelation
Thu Dec 02, 2021 4:07 pm
Forum: Civil Aviation
Topic: First Pratt A320neo Engine Update Since 2016: Disappointing?
Replies: 30
Views: 6020

First Pratt A320neo Engine Update Since 2016: Disappointing?

Way back in 2014 we read of a future PIP for the Pratt A320neo engine: Pratt & Whitney is developing an upgrade for the PW1100G geared turbofan that should reduce fuel consumption by 3% after 2019. Ref: https://www.flightglobal.com/pratt-plans-performance-upgrade-for-a320neo-engine/112440.articl...

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