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by Faro
Sat Aug 17, 2019 12:47 pm
Forum: Civil Aviation
Topic: Boeing rolls out 787-9 in "Dreams take flight" livery
Replies: 41
Views: 7323

Re: Boeing rolls out 787-9 in "Dreams take flight" livery

Beautiful..best of luck for B with showing her off...


Faro

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by Faro
Thu Aug 15, 2019 7:27 pm
Forum: Civil Aviation
Topic: Confirmed: 777X First Flight Delayed Due GE9X Issues
Replies: 300
Views: 66872

Re: Confirmed: 777X First Flight Delayed Due GE9X Issues

The vibration stresses that this induces on the engine must surely have been ascertained and dampened down to a very high degree of precision by GE; a problem with insufficient stall margin is a distinct possibility, as well as too small a blade count or incompatible blade count rows as Lightsaber ...

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by Faro
Thu Aug 15, 2019 10:41 am
Forum: Civil Aviation
Topic: Confirmed: 777X First Flight Delayed Due GE9X Issues
Replies: 300
Views: 66872

Re: Confirmed: 777X First Flight Delayed Due GE9X Issues

Something is still missing . . an engine can be changed in less than a day . . if it was premature wear, the initial flight test could be done with six engines. One pair flying, one pair being disassembled, one pair being reassembled. The FADEC could be programmed to not permit max thrust. They cou...

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by Faro
Thu Aug 15, 2019 10:10 am
Forum: Civil Aviation
Topic: Boeing delays 777-8X entry into service
Replies: 141
Views: 21843

Re: Boeing delays 777-8X entry into service

All things considered this is quite a rational business decision by B. In fact I suspect they actually decided to cancel the 778 outright but will announce it in stages to save face somewhat. They need the resources for the 737MAX which still has no crystal-clear visibility on its return to service ...

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by Faro
Sat Jul 27, 2019 5:50 pm
Forum: Technical/Operations
Topic: Hydrogen Power
Replies: 7
Views: 1680

Re: Hydrogen Power

A very very hazardous fuel to handle in the field...and you are proscribed from having any accidents under 5,000 ft over the entire lifetime of your entire fleet...


Faro

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by Faro
Sat Jul 20, 2019 10:22 am
Forum: Travel, Polls & Preferences
Topic: Why was there an innovation drought during the 1990's and 2000's?
Replies: 14
Views: 2072

Re: Why was there an innovation drought during the 1990's and 2000's?

Jet engine innovation tho :checkmark: :checkmark: Since the advent of the widebody, advances in airliner technology are largely advances in fuel efficiency...and advances in fuel efficiency are 80% advances in engine technology... So long as you are stuck with wing-and-tube, don't expect anything r...

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by Faro
Fri Jul 19, 2019 12:08 pm
Forum: Civil Aviation
Topic: Boeing Expects a $5.6 Billion Hit for 737 Max Disruptions
Replies: 128
Views: 13763

Re: Boeing Expects a $5.6 Billion Hit for 737 Max Disruptions

No. Garuda's 4.9 billion would have fully contributed to Boeings revenue but only part of it - say 10 % or 490 million - would have been profits. Those 490 million are the actual loss. Even then, there's a high chance that those slots will be taken up by someone else. So the direct impact on Boeing...

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by Faro
Fri Jul 19, 2019 10:25 am
Forum: Civil Aviation
Topic: Boeing Expects a $5.6 Billion Hit for 737 Max Disruptions
Replies: 128
Views: 13763

Re: Boeing Expects a $5.6 Billion Hit for 737 Max Disruptions

Does this include the 4.9 billion order from Garuda Indonesia that was cancelled? or is this just costs in general, so its 4.9billion on top of the 5.6billion? Er, no. The $4.9billion Garuda order would have yielded a theoretical profit at some future date as each individual aircraft was delivered,...

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by Faro
Fri Jul 19, 2019 10:03 am
Forum: Civil Aviation
Topic: How Little Cargo Revenue Really Matters For DL And UA
Replies: 88
Views: 10249

Re: How Little Cargo Revenue Really Matters.

Using US airlines, who are notoriously inept at making cargo a significant part of their portfolio, is not an example giving the correct perspective. Lufthansa, for example, derives 7% of their revenue from logistics, for Singapore Airlines it's around 5%, and for Emirates it's around 14%. Cargo ma...

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by Faro
Wed Jul 17, 2019 7:08 pm
Forum: Technical/Operations
Topic: Main reasons why long range planes are often used on rather short to medium routes?
Replies: 20
Views: 2646

Re: Main reasons why long range planes are often used on rather short to medium routes?

Those specific kgs tell the story. Thanks And raise a lot more new questions. 25 kg/ 90min = 133 kg/ 8 hours. So 200 kg/ 8 hours can't be explained with "burn fuel to carry fuel" alone. The lower cruise altitude seem to matter a lot. No wonder the range figures on paper are so extreme mor...

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by Faro
Mon Jul 15, 2019 6:44 pm
Forum: Civil Aviation
Topic: Etihad Financial Problems
Replies: 20
Views: 5923

Re: Etihad Financial Problems

EY’s root financial problem is having shareholders with very deep and bounteous pockets...so when they chose to model themselves after the defunct Swissair business model...investing in a wide range of non-controlling or quasi-controlling interests in other international carriers in order to form an...

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by Faro
Sun Jul 14, 2019 2:43 pm
Forum: Technical/Operations
Topic: 737MAX: What are the Regulatory Limits of MCAS?
Replies: 2
Views: 769

737MAX: What are the Regulatory Limits of MCAS?

What FAR governs longitudinal stability in the stall regime? And what specific provision therein would a MCAS-style software solution to such stability have to comply with? When would this software approach be deemed inadequate and have to be complemented/replaced by a physical fix?


Faro

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by Faro
Sun Jul 14, 2019 2:11 pm
Forum: Civil Aviation
Topic: IAG 737 Max Order Is Prompted by More Than Just Price: CEO
Replies: 151
Views: 23089

Re: IAG 737 Max Order Is Prompted by More Than Just Price: CEO

Ordering a plane with no airworthiness is just a stupid move. Ordering a plane with over half a trillion USD in orders is much less so...Boeing, the FAA, CFM, the state of Washington, the Federal Government and everybody and their uncle will make sure that the MAX is safely certified...have no doub...

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by Faro
Sat Jul 13, 2019 9:40 am
Forum: Civil Aviation
Topic: IAG 737 Max Order Is Prompted by More Than Just Price: CEO
Replies: 151
Views: 23089

Re: IAG 737 Max Order Is Prompted by More Than Just Price: CEO

What else is he going to say? We don't really like the MAX but Boeing gave us a price we couldn't refuse? :checkmark: :checkmark: Exactly...he just came up with any random reason...would have been better not to say anything at all... Although in all fairness...I am sure the MAX will be as safe as a...

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by Faro
Fri Jul 12, 2019 10:00 am
Forum: Technical/Operations
Topic: Did/Does the 779X need a new wing? and does it need to be so big?
Replies: 47
Views: 6606

Re: Did/Does the 779X need a new wing? and does it need to be so big?

For reference the GE9X is shown as adding an extra 3t per aircraft and has a slightly higher diameter for aero purposes. Very interesting...I know GE have said that the GE9X will be "slightly heavier" than the GE90-115B, but did not quote any figures...do you have a reference for the extr...

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by Faro
Fri Jul 12, 2019 9:33 am
Forum: Technical/Operations
Topic: Retread Tires on Commercial Planes
Replies: 22
Views: 2224

Re: Retread Tires on Commercial Planes

Are tires really #3 operating expense after fuel and labor. What are hrly costs of those turbines not including fuel. I recall a thread where MX people confirmed that tires were in any case the No 1 spare part in terms of inventory rotation...a lot of movement with all that rubber-smoke generation ...

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by Faro
Sun Jun 23, 2019 6:51 pm
Forum: Technical/Operations
Topic: GE9X Record Breaker
Replies: 60
Views: 9775

Re: GE9X Record Breaker

Funny that they should do this when the engine is rated at circa 105K lbs thrust for operational use. My guess is they simply did it because they could.

I severely doubt whether GE will provide a thrust bump option up to that level of thrust, among others because of Mvca / Mvcg considerations.


Faro

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by Faro
Thu Jun 20, 2019 4:17 pm
Forum: Civil Aviation
Topic: IAG sign LOI for 200 B737 Max
Replies: 344
Views: 43805

Re: IAG sign LOI for 200 B737 Max

And one that knows how to get a very meaningful discount from Boeing... You would be surprised by how expensive 737 MAX are. In addition the guys in Seattle are quite disciplined managing the backlog thus protecting 737's value in the long run. For this large an order at this time required a discou...

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by Faro
Wed Jun 19, 2019 2:24 pm
Forum: Civil Aviation
Topic: Air France delays A380 cabin refit; future of fleet under study
Replies: 147
Views: 22102

Re: Air France delays A380 cabin refit; future of fleet under study

How on earth can new seats cost 50 million Euros per aircraft? Surely they could find suppliers that charge reasonable prices for this stuff. It's not as if most of these seats are even particularly comfortable or advanced. You might want to check out Swiss blog post detailing their recent A340 cab...

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by Faro
Tue Jun 18, 2019 12:07 pm
Forum: Civil Aviation
Topic: Confirmed: 777X First Flight Delayed Due GE9X Issues
Replies: 300
Views: 66872

Re: Rumour: 777X First Flight Likely Delayed Due GE9X Issues

My understanding is that a stator-vane actuator redesign was already implemented just before the first GE9X was flight tested.

The question now is whether this latest problem is with this redesign or with some other aspect of the actuator?


Faro

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by Faro
Tue Jun 18, 2019 12:03 pm
Forum: Civil Aviation
Topic: Confirmed: 777X First Flight Delayed Due GE9X Issues
Replies: 300
Views: 66872

Re: Rumour: 777X First Flight Likely Delayed Due GE9X Issues

Message to Moderators Both Boeing and GE have now announced delays with the GE9X and 777X first flight, at least until the fall: https://www.reuters.com/article/us-boeing-777x/boeings-777x-faces-engine-snags-questions-rise-over-delivery-goal-idUSKCN1T62KU https://www.flightglobal.com/news/articles/...

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by Faro
Mon Jun 10, 2019 2:04 pm
Forum: Civil Aviation
Topic: Confirmed: 777X First Flight Delayed Due GE9X Issues
Replies: 300
Views: 66872

Re: 777X First Flight Delayed to Year End Due GE9X Issues

“...including pieces of a variable stator-vane assembly which broke free...”


At 01:50 in the following video news report:

https://youtu.be/R9vwqHKx-QM


Seems rather worrying...


Faro

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by Faro
Mon Jun 10, 2019 1:55 pm
Forum: Civil Aviation
Topic: Confirmed: 777X First Flight Delayed Due GE9X Issues
Replies: 300
Views: 66872

Confirmed: 777X First Flight Delayed Due GE9X Issues

https://www.fool.com/investing/2019/06/08/the-revolutionary-boeing-777x-jet-is-running-behin.aspx Apparently issues with the GE9X stator actuation mechanism which was the object of a re-design recently. First flight slated before the year end instead of end of June, with EIS for late 2020 or possib...

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by Faro
Sat Jun 08, 2019 5:05 pm
Forum: Travel, Polls & Preferences
Topic: One-stop or triangle flights by US carriers
Replies: 27
Views: 2465

Re: One-stop or triangle flights by US carriers

ET also do ADD-GVA-VIE.


Faro

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by Faro
Thu Jun 06, 2019 9:53 am
Forum: Technical/Operations
Topic: Bleed AIr Off the Low Pressure Compressor?
Replies: 17
Views: 3311

Re: Bleed AIr Off the Low Pressure Compressor?

The air to have high enough pressure and temperature to actually power the air cycle machines in the packs. My guess is you wouldn't get what you need from the low-pressure compressor (fan). I can only speak for the Rolls-Royce Trent 772 and Trent XBW. They take bleed air from the intermediate pres...

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by Faro
Thu Jun 06, 2019 9:16 am
Forum: Technical/Operations
Topic: Prevalence of Ground Electric Power Supply
Replies: 10
Views: 1976

Prevalence of Ground Electric Power Supply

In major airports with jetway parking stands, is ground electric power supply usually provided and used by airliners during power-on and start-up? Or is the APU the usual resource used to provide start-up power after being powered on by battery power? What about secondary airports and the like? Is t...

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by Faro
Thu Jun 06, 2019 9:09 am
Forum: Technical/Operations
Topic: Bleed AIr Off the Low Pressure Compressor?
Replies: 17
Views: 3311

Bleed AIr Off the Low Pressure Compressor?

I understand that the function of the air conditioning packs is to lower the temperature of the air coming off the high pressure compressor and reduce its pressure in order to transform it into cabin air. Why in that case not bleed that air off the low pressure compressor, thereby taking lower-tempe...

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by Faro
Thu Jun 06, 2019 8:49 am
Forum: Civil Aviation
Topic: What does the Rumored 6T MTOW Increase for the 787-10 Mean for the A359?
Replies: 161
Views: 23791

Re: What does the Rumored 6T MTOW Increase for the 787-10 Mean for the A359?

I thought the 787 landing equipment is already maxed out! That's my understanding too...the landing gear it seems can take no more. But if it is at all possible, remains the fact that 6 tons is huge...assuming that it would all go into fuel to prolong range, where is that extra fuel storage space g...

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by Faro
Mon May 06, 2019 12:38 pm
Forum: Civil Aviation
Topic: Vox: The real reason Boeing's new plane crashed twice
Replies: 17
Views: 5617

Re: Vox: The real reason Boeing's new plane crashed twice

Is Vox a household name now?...does everyone know what exactly it is?...to my mind, it should be preceded by "the YouTube Channel"...

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by Faro
Sat Mar 30, 2019 12:03 pm
Forum: Civil Aviation
Topic: Your advice to Boeing for the upcoming Paris Air Show ?
Replies: 94
Views: 10319

Re: Your advice to Boeing for the upcoming Paris Air Show ?

Admit fault before the investigations have concluded? That would be incredibly foolish. Of course you'd think that, your tireless efforts to exonerate Boeing and blame anything or anyone else has been impressive in the three threads. Even the most diehard Boeing fan cannot deny that the absolutely ...

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by Faro
Fri Mar 29, 2019 3:53 pm
Forum: Civil Aviation
Topic: Your advice to Boeing for the upcoming Paris Air Show ?
Replies: 94
Views: 10319

Re: Your advice to Boeing for the upcoming Paris Air Show ?

Be pro-active...don’t muck around...make LH an offer they really really can’t refuse for their 100 narrowbody requirement NOW...and announce the MAX order in Paris...just do it for God’s sake...ACT!... Faro You mean like offering LH US$100 milion for each Max they take ? I mean doing a Ryanair/738 ...

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by Faro
Fri Mar 29, 2019 1:42 pm
Forum: Civil Aviation
Topic: Your advice to Boeing for the upcoming Paris Air Show ?
Replies: 94
Views: 10319

Re: Your advice to Boeing for the upcoming Paris Air Show ?

Be pro-active...don’t muck around...make LH an offer they really really can’t refuse for their 100 narrowbody requirement NOW...and announce the MAX order in Paris...just do it for God’s sake...ACT!...

Faro

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by Faro
Thu Mar 28, 2019 12:00 pm
Forum: Civil Aviation
Topic: LH to order 100 B737MAX or A320NEO next year
Replies: 211
Views: 35404

Re: LH to order 100 B737MAX or A320NEO next year

If LH orders the MAX, then Airbus must have royally screwed up. I just don't see that happening. Boeing has a dire, pressing incentive to sell the MAX to LH that Airbus doesn't have with the A32X, ie to salvage the public image of the MAX. That incentive can be translated into a hard cash discount....

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by Faro
Thu Mar 28, 2019 9:24 am
Forum: Civil Aviation
Topic: Why Are Bus Boardings so Common in Europe and so Rare in the USA?
Replies: 188
Views: 21432

Re: Why Are Bus Boardings so Common in Europe and so Rare in the USA?

Woudl it be fair to say that, by and large, 'richer' airports use buses less?

That in any case is my distinct impression. Gates with direct jetbridge access are expensive installations...


Faro

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by Faro
Wed Mar 27, 2019 10:52 am
Forum: Travel, Polls & Preferences
Topic: Could the US eventualy end up with just 3 major flag carriers
Replies: 29
Views: 3940

Re: Could the US eventualy end up with just 3 major flag carriers

Max Q wrote:
It’s already happened


There’s United, American, Delta and the rest



Correct today.

Remains to be seen whether in the future we will get the likes of AS, B6 and WN significantly expanding abroad...


Faro

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by Faro
Wed Mar 27, 2019 10:20 am
Forum: Civil Aviation
Topic: LH to order 100 B737MAX or A320NEO next year
Replies: 211
Views: 35404

Re: LH to order 100 B737MAX or A320NEO next year

I'd say 737's for LH is improbable but not impossible. If Boeing gives them a sweetheart deal then it will be very hard for LH to say no and for Airbus to match the price. And if they are allowed to convert to NMA then it will be even harder to refuse. Given the MAX's media image at the moment, B w...

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by Faro
Wed Mar 27, 2019 9:41 am
Forum: Civil Aviation
Topic: LH to order 100 B737MAX or A320NEO next year
Replies: 211
Views: 35404

Re: LH to order 100 B737MAX or A320NEO next year

In fact, not just LH but any airline in need of an appreciable number of narrowbody jets would be insane not to consider a deep-discounted purchase of MAX's at the moment. The only non-commercial assumption that they need to adopt is that B will one day resolve the current MAX issues. I for one thin...

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by Faro
Wed Mar 27, 2019 9:08 am
Forum: Civil Aviation
Topic: LH to order 100 B737MAX or A320NEO next year
Replies: 211
Views: 35404

Re: LH to order 100 B737MAX or A320NEO next year

Haha. Why would they order MAX. That is a laugh. NMA I can see... Once the MCAS/certification issues are sorted --and they will eventually be sorted-- they'll order it if the price is right. In fact this would be a singularly opportune moment for B to bounce back with the MAX: make LH a monetary pr...

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by Faro
Tue Mar 26, 2019 10:43 am
Forum: Technical/Operations
Topic: How much time and money would longer landing gear have cost Boeing?
Replies: 10
Views: 1928

Re: How much time and money would longer landing gear have cost Boeing?

Fair chance they would have had to re-design the wing-box or --bits of the wing-box-- if the MLG bay was in any way moved from its present location to accomodate a longer gear strut...and once you start fiddling with the wing-box, you're likely in new regulatory territory...


Faro

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by Faro
Fri Mar 22, 2019 7:53 am
Forum: Technical/Operations
Topic: MAX certification: new systemic issues identified
Replies: 109
Views: 11130

Re: MAX certification: new systemic issues identified

So the Secretary of Transport has asked DoT Inspector General to reviewnthe certification process. A Washington grand jury has issued a subpoena for documents. Canada and the EU have announced their own reviews. Now it has been reported that the FBI is supporting the DoT enquire. Meanwhile a congre...

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by Faro
Mon Mar 18, 2019 3:34 pm
Forum: Civil Aviation
Topic: Has grandfathering been taken too far?
Replies: 362
Views: 14507

Re: Boeing 777-8/-9 Grandfathering Certification, 777X or 7X7?

Anyone who wants to contribute intelligently to this discussion needs to read and understand this FAA Advisory Circular. https://www.faa.gov/documentLibrary/media/Advisory_Circular/AC_21.101-1B.pdf Just some light bedtime reading there. A particular quality about US legal and administrative documen...

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by Faro
Mon Mar 18, 2019 3:25 pm
Forum: Civil Aviation
Topic: Has grandfathering been taken too far?
Replies: 362
Views: 14507

Re: Boeing 777-8/-9 Grandfathering Certification, 777X or 7X7?

But, most of all, the FAA need to bring back in-house the vast majority of authorisations it signed over to Boeing. As has been demonstrated with both the 787 and 737 Max, Boeing are not to be trusted to do their own certification work. Yes, with the MAX MCAS issue, this can become a serious matter...

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by Faro
Sun Mar 17, 2019 8:11 am
Forum: Technical/Operations
Topic: Is there a problem with Boeing’s engineering team?
Replies: 33
Views: 3797

Re: Is there a problem with Boeing’s engineering team?

I think this is a bit overblown. Of those examples: 787: new battery tech, difficult to diagnose failure mode, things happen with new hardware KC46: I'm sure a large part of this is due to military procurement nonsense 748 stab tank: problem, but not a p1 adoption blocker, LH was able to live with ...

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by Faro
Sun Mar 17, 2019 7:51 am
Forum: Civil Aviation
Topic: 737Max Impact on 797 Launch
Replies: 133
Views: 20156

Re: 737Max Impact on 797 Launch

While we know very little about what Boeing has planned for the MOM/797, you can bet that the concept is developed enough at this point that Boeing isn't going to toss it aside to replace it with a clean-sheet 737 replacement, especially when there are over 4,000 737 MAX orders on the books. Boeing...

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by Faro
Sun Mar 17, 2019 7:43 am
Forum: Civil Aviation
Topic: 737Max Impact on 797 Launch
Replies: 133
Views: 20156

Re: 737Max Impact on 797 Launch

Cash. If the ET accident proves to have been due to MCAS and if B’s MCAS tweak is not enough to rectify matters to the regulators’ satisfaction, B is looking at a potentially significant shortfall in their operating cashflow projections. That’s two big ifs. Should they find themselves in that posit...

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by Faro
Sat Mar 16, 2019 8:54 pm
Forum: Civil Aviation
Topic: 737Max Impact on 797 Launch
Replies: 133
Views: 20156

Re: 737Max Impact on 797 Launch

I am sorry but the B737 MAX is not an outdated product. Just because it is a derivative of an existing product does not make it outdated. I certainly do not see how the 737 MAX is at the end of the road with thousands of orders and even B737- 300, -400, - 500 (two generations ago) are still being f...

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by Faro
Sat Mar 16, 2019 7:19 pm
Forum: Civil Aviation
Topic: 737Max Impact on 797 Launch
Replies: 133
Views: 20156

Re: 737Max Impact on 797 Launch

Cash. If the ET accident proves to have been due to MCAS and if B’s MCAS tweak is not enough to rectify matters to the regulators’ satisfaction, B is looking at a potentially significant shortfall in their operating cashflow projections. That’s two big ifs. Should they find themselves in that positi...

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by Faro
Tue Mar 12, 2019 4:02 pm
Forum: Civil Aviation
Topic: B737MAX Grounded Worldwide Q1 2019
Replies: 6472
Views: 716028

Re: Should airline regulators consider grounding B737 MAX series

I think this highlights in a ridiculously manifest way a new risk for civil air transport...media risk, including social media risk When after AA191 the DC-10 was grounded it was because it was abundantly clear what had caused the accident and the potential flaw in the design. We are nowhere there ...

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by Faro
Tue Mar 12, 2019 3:53 pm
Forum: Travel, Polls & Preferences
Topic: Any chance to save the A380 still?
Replies: 94
Views: 8992

Re: Any chance to save the A380 still?

It’s over...pull down the shutters and go home...


Faro

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by Faro
Tue Mar 12, 2019 3:47 pm
Forum: Civil Aviation
Topic: B737MAX Grounded Worldwide Q1 2019
Replies: 6472
Views: 716028

Re: Should airline regulators consider grounding B737 MAX series

However people spin this, the fact is Boeing admits there is something to be done to improve the safety of this aircraft. The fact that the Lion Air crash was not enough for them to do that immediately, and then the fact that their response to the second crash is so stale is massively disappointing...

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