Search found 1555 matches

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by planecane
Tue Aug 04, 2020 12:06 pm
Forum: Civil Aviation
Topic: Virgin Galactic unveils Mach 3 Aircraft design
Replies: 54
Views: 6989

Re: Virgin Galactic unveils Mach 3 Aircraft design

How come Branson gets a pass on these environmental dinosaurs? I mean everyone else in all segments of transportation are getting hammered for their impact and no one says boo about this and rocket trips to 200,000 feet for a view? I pretty sure whatever powers this and the rockets (Elon Musk too )...

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by planecane
Fri Jul 24, 2020 5:26 pm
Forum: Civil Aviation
Topic: US F15 intercepting Iran's Mahan Air A310 resulted in several injuries
Replies: 123
Views: 25292

Re: US F15 intercepting Iran's Mahan Air A300 resulted in several injuries

Based purely on the evidence so far, not a lot. Hard to see that the US did anything wrong. Is there any evidence that evasive manoeuvring was required. There's very scant information on the incident beyond some brief statements. But put yourselves in the Mahan Air pilot's shoes. (What follows is N...

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by planecane
Mon Jul 20, 2020 12:46 pm
Forum: Civil Aviation
Topic: Boeing 737MAX Grounding, General Discussion Thread, Q3 2020
Replies: 297
Views: 51565

Re: Boeing 737MAX Grounding, General Discussion Thread, Q3 2020

I'm sorry if this has been answered already, but will Boeing's fix require separate certification of the MAX aircraft from the NGs? Thank you Yes, that is what they have been working on since the grounding. In my opinion, this severely damages the value of the 737, since single-aircraft airlines (S...

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by planecane
Sat Jul 18, 2020 3:32 am
Forum: Technical/Operations
Topic: Most obvious way to significantly cut boarding time
Replies: 45
Views: 5061

Re: Most obvious way to significantly cut boarding time

Mythbusters did experiments on an episode once and found that for fastest boarding window to aisle with back to front was the absolute fastest. That's not practical because it requires parties to board separate.

The second fastest was WN style open seating.

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by planecane
Fri Jul 03, 2020 4:24 pm
Forum: Civil Aviation
Topic: Boeing 737MAX Grounding, General Discussion Thread, Q3 2020
Replies: 297
Views: 51565

Re: Boeing 737MAX Grounding, General Discussion Thread, Q3 2020

So you want them to fly around even after completing all tests just for show? I don't think that's a good use of public funds. No, I'm just surprised that only 3 flights were considered necessary. And no, neither I nor anyone expects flights to be done for show. Please, don't try to put words in my...

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by planecane
Thu Jul 02, 2020 3:11 am
Forum: Civil Aviation
Topic: Boeing 737MAX Grounding, General Discussion Thread, Q3 2020
Replies: 297
Views: 51565

Re: Boeing 737MAX Grounding, General Discussion Thread, Q3 2020

After 49 minutes of flight they descended down to 600 meters only after some steep turn maneuvering. Hope this was intended to be this way. I assume it was planned since, according to Jon Ostrower, the FAA says the test flights are complete: https://twitter.com/jonostrower/status/127844042835909018...

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by planecane
Wed Jul 01, 2020 10:24 pm
Forum: Civil Aviation
Topic: Boeing 737MAX Grounding, General Discussion Thread, Q3 2020
Replies: 297
Views: 51565

Re: Boeing 737MAX Grounding, General Discussion Thread, Q3 2020

After 49 minutes of flight they descended down to 600 meters only after some steep turn maneuvering. Hope this was intended to be this way. I assume it was planned since, according to Jon Ostrower, the FAA says the test flights are complete: https://twitter.com/jonostrower/status/127844042835909018...

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by planecane
Wed Jul 01, 2020 10:22 pm
Forum: Civil Aviation
Topic: Boeing 737MAX Grounding News and Reference Thread 2020
Replies: 187
Views: 273160

Re: Boeing 737MAX Grounding News and Reference Thread 2020

According to Jon Ostrower, the FAA says the test flights are complete:

https://twitter.com/jonostrower/status/1278440428359090182

Also they released a very revealing video:

https://www.youtube.com/watch?v=MDgWYO3B5LY&feature=emb_logo

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by planecane
Tue Jun 30, 2020 1:23 pm
Forum: Civil Aviation
Topic: Boeing 737MAX Grounding, General Discussion Thread, Q2 2020
Replies: 607
Views: 57344

Re: Boeing 737MAX Grounding, General Discussion Thread, Q2 2020

Does anyone have any idea how many certification flights there will be? Will they someway fail the AoA sensor and see what happens or is that done in a simulator? Do they intentionally fail an engine at V1 for certification? I don't know but I'd imagine the answer would be the same for the AoA sens...

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by planecane
Tue Jun 30, 2020 1:20 pm
Forum: Civil Aviation
Topic: Boeing 737MAX Grounding, General Discussion Thread, Q2 2020
Replies: 607
Views: 57344

Re: Boeing 737MAX Grounding, General Discussion Thread, Q2 2020

What we don't seem to have had was the "come to Jesus" moment where Boeing admits it let commercial goals drive a series of unacceptable engineering decisions and FAA admits it left Boeing to its own devices far too much. At best we had some apologies without admissions. I can imagine tha...

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by planecane
Tue Jun 30, 2020 2:23 am
Forum: Civil Aviation
Topic: Boeing 737MAX Grounding, General Discussion Thread, Q2 2020
Replies: 607
Views: 57344

Re: Boeing 737MAX Grounding, General Discussion Thread, Q2 2020

Someone please explain this to me: The two crashes that led to the grounding were with 737-8 models. Now the certification flights are being done with a 737-7. Why? Wouldn't the longer fuselage of the -8 result in a bigger lever, which gives the trim inputs a bigger effect? Wouldn't you want to tes...

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by planecane
Thu Jun 25, 2020 12:51 pm
Forum: Civil Aviation
Topic: Revisiting MH370
Replies: 180
Views: 22137

Re: Revisiting MH370

:shakehead: Nope, not at all. 1. A fire drastic enough to cut all the radios and transponders so suddenly would not let the plane fly for many hours. We know the plane flew for several hours after going radio silent due to the engine management pings. dont u think that a lithium fire in that front ...

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by planecane
Thu Jun 25, 2020 12:50 pm
Forum: Civil Aviation
Topic: Revisiting MH370
Replies: 180
Views: 22137

Re: Revisiting MH370

if someone really wants to see a biiiiiiiig conspiracy (and i am NOT in that camp, my bet is on a fire, or a suicide or a hijack) You're simply overestimating the intelligence service's capabilities of the US or China or Russia. They don't have "detailed records" of what happened to every...

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by planecane
Thu Jun 25, 2020 1:59 am
Forum: Civil Aviation
Topic: large single aisle aircraft
Replies: 36
Views: 4324

Re: large single aisle aircraft

Unless there’s front and back door board and deplane; which IMHO, would be very unusual. Add to that, not that many airports have jetways to board/deplane front and back doors. Many LCCs wouldn't care about that. Certainly in Europe they're using stairs more often than not, and the higher number of...

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by planecane
Mon Jun 22, 2020 12:42 pm
Forum: Civil Aviation
Topic: Boeing 737MAX Grounding, General Discussion Thread, Q2 2020
Replies: 607
Views: 57344

Re: Boeing 737MAX Grounding, General Discussion Thread, Q2 2020

Well said. I'd go further and say, competent aircraft manufacturers go beyond the minimum to meet certification requirements. In the case of the Max, Boeing skirted the requirements for a critical system at just about every turn in the process. In what example of a "competent aircraft manufact...

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by planecane
Mon Jun 22, 2020 10:00 am
Forum: Civil Aviation
Topic: Boeing 737MAX Grounding, General Discussion Thread, Q2 2020
Replies: 607
Views: 57344

Re: Boeing 737MAX Grounding, General Discussion Thread, Q2 2020

But once again that "moment" assumes that commercial goals driving "unacceptable" engineering decisions and the subsequent crashes is the actual cause and effect. We can speculate all we want about what happened in development, but short of hard, directly linked evidence between...

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by planecane
Fri Jun 19, 2020 10:20 am
Forum: Civil Aviation
Topic: Updated: Airport Says 2 MCO Employees Have COVID
Replies: 24
Views: 4450

Re: Updated: Airport Says 2 MCO Employees Have COVID

I'm starting to suspect false positive tests in a lot of these asymptomatic cases. It doesn't make sense for a virus to have absolutely no symptoms in so many people but be serious and kill others. It’s the false negatives you should be concerned with which can be caused by any number of things fro...

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by planecane
Fri Jun 19, 2020 2:34 am
Forum: Civil Aviation
Topic: Updated: Airport Says 2 MCO Employees Have COVID
Replies: 24
Views: 4450

Re: Updated: Airport Says 2 MCO Employees Have COVID

I'm starting to suspect false positive tests in a lot of these asymptomatic cases. It doesn't make sense for a virus to have absolutely no symptoms in so many people but be serious and kill others.

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by planecane
Wed Jun 17, 2020 6:05 pm
Forum: Civil Aviation
Topic: AA Fleet Updates - 2020
Replies: 1118
Views: 182110

Re: AA Fleet Updates - 2020

They have not updated their schedule for aircraft just frequencies. They are now going sooner than 2021. I'll be curious if they can still fly that route without the 757. I'd assume that if another of their aircraft could do it with a reasonable load they would have used something more efficient by...

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by planecane
Wed Jun 17, 2020 3:19 pm
Forum: Civil Aviation
Topic: Boeing 737MAX Grounding, General Discussion Thread, Q2 2020
Replies: 607
Views: 57344

Re: Boeing 737MAX Grounding, General Discussion Thread, Q2 2020

[threeid][/threeid] What about when a flaps up landing is required? ( due to asymmetric flaps fault etc etc) In what percentage of flights is a flaps up landing required? In what percentage of flights will there be an AoA disagree that disables MCAS after flaps retraction? Multiply the two probablil...

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by planecane
Tue Jun 16, 2020 7:19 pm
Forum: Civil Aviation
Topic: Boeing 737MAX Grounding, General Discussion Thread, Q2 2020
Replies: 607
Views: 57344

Re: Boeing 737MAX Grounding, General Discussion Thread, Q2 2020

Question is what exactly "not to enter the part of the flight envelope where MCAS is active" means. From my perspective, it may mean positively avoiding harsh maneuvering: no go-arounds and/or even remote possibility of collision or TCAS activation. Full ground stop at landing airport and...

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by planecane
Tue Jun 16, 2020 6:22 pm
Forum: Civil Aviation
Topic: Boeing 737MAX Grounding, General Discussion Thread, Q2 2020
Replies: 607
Views: 57344

Re: Boeing 737MAX Grounding, General Discussion Thread, Q2 2020

Question is what exactly "not to enter the part of the flight envelope where MCAS is active" means. From my perspective, it may mean positively avoiding harsh maneuvering: no go-arounds and/or even remote possibility of collision or TCAS activation. Full ground stop at landing airport and...

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by planecane
Tue Jun 16, 2020 5:18 pm
Forum: Civil Aviation
Topic: Boeing 737MAX Grounding, General Discussion Thread, Q2 2020
Replies: 607
Views: 57344

Re: Boeing 737MAX Grounding, General Discussion Thread, Q2 2020

How do you handle an engine failure? There is a procedure to follow. How do you handle an AoA mismatch? There will be a procedure to follow. The real issue with only 2 sensors is both failing in the same direction within 5° of each other. Then the FCC won't know there is a failure. I imagine the pr...

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by planecane
Tue Jun 16, 2020 11:26 am
Forum: Civil Aviation
Topic: Boeing 737MAX Grounding, General Discussion Thread, Q2 2020
Replies: 607
Views: 57344

Re: Boeing 737MAX Grounding, General Discussion Thread, Q2 2020

Whether it wants a 3rd AOA probe, or doesn’t, is not a question of safe or unsafe. Safe or unsafe is not an on/off switch. The question is whether the regulators feel that the plane is sufficiently safe with only two AOA probes, or not. That is a question of opinion. I would expect the experts to s...

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by planecane
Tue Jun 16, 2020 11:23 am
Forum: Civil Aviation
Topic: Boeing 737MAX Grounding, General Discussion Thread, Q2 2020
Replies: 607
Views: 57344

Re: Boeing 737MAX Grounding, General Discussion Thread, Q2 2020

I thought EASA always wanted a third sensor, but was willing to accept a synthetic sensor. Without a 3rd senior how do you handle a AOA mis-compare? One answer was to turn off MCAS with a miscompare. Boeing says that is generally safe. Which leads the Canadians to ask can we test fly it w/o MCAS, a...

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by planecane
Tue Jun 16, 2020 11:19 am
Forum: Civil Aviation
Topic: Boeing 737MAX Grounding, General Discussion Thread, Q2 2020
Replies: 607
Views: 57344

Re: Boeing 737MAX Grounding, General Discussion Thread, Q2 2020

Whether it wants a 3rd AOA probe, or doesn’t, is not a question of safe or unsafe. Safe or unsafe is not an on/off switch. The question is whether the regulators feel that the plane is sufficiently safe with only two AOA probes, or not. That is a question of opinion. Generally, if you ask people wh...

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by planecane
Fri Jun 12, 2020 10:58 am
Forum: Civil Aviation
Topic: Are there any jet alternatives to the 737-200C for gravel operations?
Replies: 100
Views: 17581

Re: There's any jet alternatives for the 737-200C for gravel operations?

TWA772LR wrote:
Far fetched but the MiG 29 has engine inlet shield-like devices. Would it be possible to add these to commercial airliners like the 737NG or 320?

Don't those kill fuel efficiency which isn't too good on the 732 to begin with?

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by planecane
Thu Jun 11, 2020 10:59 am
Forum: Technical/Operations
Topic: Electric taxiing tug?
Replies: 9
Views: 1733

Re: Electric taxiing tug?

In percentage terms, worldwide, what is the fuel burn of taxi vs all flight?

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by planecane
Wed Jun 10, 2020 10:56 am
Forum: Civil Aviation
Topic: France Announces Huge Aerospace Support Plan
Replies: 60
Views: 7282

Re: France Announces Huge Aerospace Support Plan

I think what matters is "carbon neutral". Let the smart people figure out the best way to do it. Might need 10 times more billions, though. It may be that for aviation the best way is synfuel made from electricity, heat, water and atmospheric CO2, with H2 as an intermediary. Or to simply ...

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by planecane
Tue Jun 09, 2020 3:51 am
Forum: Civil Aviation
Topic: US Airline Booking Trends during COVID-19
Replies: 321
Views: 37741

Re: US Airline Booking Trends during COVID-19

The virus is hardly a dud. Millions have been sickened with 400,000+ deaths so far. For Georgia specifically the effective reproduction rate - expressed as "R" value is up since things reopened. Any value over 1.0 means virus is spreading faster. https://i.ibb.co/nbWwT6k/2020-06-07-105529...

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by planecane
Tue Jun 09, 2020 3:40 am
Forum: Travel, Polls & Preferences
Topic: How will coronavirus impact the shift from air to rail travel?
Replies: 25
Views: 3050

Re: How will coronavirus impact the shift from air to rail travel?

Where the infustructure exists Americans will use trains and prefer them. Problem is we don't want to invest in it. Shorter distances if trains made even decent time they would take over. Problem is that doesn't exist in most markets so planes are the only option other then driving. Long distances ...

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by planecane
Thu Jun 04, 2020 11:34 am
Forum: Civil Aviation
Topic: Reuters: Boeing considering 757-Plus and 767-X
Replies: 615
Views: 110407

Re: Reuters: Boeing considering 757-Plus and 767-X

Is this the pilot-less airliner thread? I thought it was a 757+/ 767x thread. A legitimate part of the discussion is a new cockpit to reduce pilot workload and other features. That because the evidence is that what stopped the NMA project from moving forward was 1st that Boeing would have to come u...

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by planecane
Tue Jun 02, 2020 12:24 pm
Forum: Civil Aviation
Topic: Reuters: Boeing considering 757-Plus and 767-X
Replies: 615
Views: 110407

Re: Reuters: Boeing considering 757-Plus and 767-X

For a single or no pilot aircraft, there will absolutely have to be an ability for the plane to be remotely controlled/over ridden from the ground. That implies a wireless communication network AND it implies a requirement for absolute data security. As we see, day after day, wireless networks are ...

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by planecane
Mon Jun 01, 2020 11:56 am
Forum: Travel, Polls & Preferences
Topic: Risk of Covid-19 Transmission for Air Passengers
Replies: 17
Views: 1858

Re: Risk of Covid-19 Transmission for Air Passengers

The only way to know what is true is to contact trace cases and figure out if spread is linked to flights. Experts don't know with certainty exactly how the flu spreads and that's been researched for over 100 years. Good luck getting concrete information on a virus that's been researched barely over...

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by planecane
Sat May 30, 2020 1:56 am
Forum: Civil Aviation
Topic: Updated: AA is allowed to give hand sanitizer
Replies: 39
Views: 6134

Re: AA is not (yet) allowed to give hand sanitizer

Updated today: Hand sanitizer will be provided in snack bags on flights 900-2199 miles. Served with drinks on flights over 2200 miles. On trays on flights with trayed service. So what about flights less than 900 miles? Don't understand why all flights cannot hand out sanitizers. I assume they aren'...

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by planecane
Sat May 30, 2020 1:55 am
Forum: Civil Aviation
Topic: Updated: AA is allowed to give hand sanitizer
Replies: 39
Views: 6134

Re: AA is not (yet) allowed to give hand sanitizer

[twoid][/twoid]

Mortyman wrote:
Hand sanitizer should be 70-85 % in order for it to have any effect

If it is ethanol based then it should be 60% or higher. Isopropanol based should be 70% or higher. It's not a blanket statement.

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by planecane
Fri May 29, 2020 11:42 am
Forum: Civil Aviation
Topic: ​Internal tussle as Boeing weighs future of 747
Replies: 378
Views: 58825

Re: ​Internal tussle as Boeing weighs future of 747

IPut it another way: Suppose the factories that make the A380's fuselage skins, floor beams, doors, aft fuselage and tail section closed, all the major equipment was moved into storage, all the minor equipment was auctioned off, and all the factory workers found new jobs: would you say that the A38...

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by planecane
Fri May 29, 2020 11:38 am
Forum: Civil Aviation
Topic: ​Internal tussle as Boeing weighs future of 747
Replies: 378
Views: 58825

Re: ​Internal tussle as Boeing weighs future of 747

So, out of curiosity, would it be possible to modify a 777F to have a tail that swings open like the 747 used for 787 parts? This would solve the problem for larger pallets that couldn't fit through a side door. Maybe there isn't enough clearance for that to happen or there is some other structural...

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by planecane
Thu May 28, 2020 2:44 am
Forum: Civil Aviation
Topic: Rumor: Etihad Considers Retiring A380s and Abandoning A350s
Replies: 104
Views: 26422

Re: Rumor: Etihad Considers Retiring A380s and Abandoning A350s

Any future outbreak that is like SARS or MERS is going to have immediate international travel bans until it is clear that it is under control. Those outbreaks happen relatively frequently. COVID-19 has changed the international travel business model forever. Not necessarily. The utility of a travel...

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by planecane
Wed May 27, 2020 11:08 am
Forum: Civil Aviation
Topic: Rumor: Etihad Considers Retiring A380s and Abandoning A350s
Replies: 104
Views: 26422

Re: Rumor: Etihad Considers Retiring A380s and Abandoning A350s

[url][/url] Maybe Delta has some use for these A350-1000s? Corona isnt forever and the -1000s maybe bring the extra performance needed for the longest 777 flights. While the current pandemic won't last forever I think it has been a wake up call to the airlines about how international travel can disa...

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by planecane
Wed May 27, 2020 10:33 am
Forum: Civil Aviation
Topic: The new domestic service standard: just water. DL now onboard.
Replies: 207
Views: 28168

Re: The new domestic service standard: just water. DL now onboard.

WN gave a can of water with a sealed straw and a snack mix this past weekend. It was much appreciated, especially the water.

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by planecane
Wed May 27, 2020 4:03 am
Forum: Civil Aviation
Topic: Southwest Airlines planning on squeezing competitors in weaker positions
Replies: 236
Views: 38897

Re: Southwest Airlines planning on squeezing competitors in weaker positions

Great post. Anyone thinking that WN is going to escape the carnage coming in October is not paying attention. And even if they DO operate more departures in comparison to their competitors that just means they're operating more money-losing flights. Even at load factors of 60-70% no one would be ma...

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by planecane
Wed May 06, 2020 4:51 pm
Forum: Civil Aviation
Topic: AA Fleet Updates - 2020
Replies: 1118
Views: 182110

Re: AA Fleet Updates - 2020

Last year around this time, there was a rumor that AA (along with UA) would bring back personal IFE to narrow-bodies. Any word on that thus far? Of course, I wouldn't expect anything like that in the near future, given the financial environment at the moment. In the current environment, passengers ...

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by planecane
Sun May 03, 2020 1:08 am
Forum: Civil Aviation
Topic: Reuters: Boeing considering 757-Plus and 767-X
Replies: 615
Views: 110407

Re: Reuters: Boeing considering 757-Plus and 767-X

Why would Boeing take on the expense of crazy modifications like a new wing for such a limited market? Wouldn't it make more sense just to make whatever changes are necessary to support new engines so the cargo version can keep being sold and then shop it with a low purchase price (relatively) to pa...

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by planecane
Sat May 02, 2020 2:36 pm
Forum: Civil Aviation
Topic: Reuters: Boeing considering 757-Plus and 767-X
Replies: 615
Views: 110407

Re: Reuters: Boeing considering 757-Plus and 767-X

There will be a vaccine in 2 years max. How do you know? In 1984 a vaccine against HIV was also expected within 2 years. But after 36 years it still isn't there. https://www.healthline.com/health/hiv-aids/vaccine-how-close-are-we Because HIV is a completely different type of virus. This isn't reall...

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by planecane
Thu Apr 30, 2020 4:36 pm
Forum: Civil Aviation
Topic: Reuters: Boeing considering 757-Plus and 767-X
Replies: 615
Views: 110407

Re: Reuters: Boeing considering 757-Plus and 767-X

The inflection point will be when it is cheaper to make Electric Cars than Gas - which should happen sometime around 2025-2026. Transport trucks I'm sure will probably follow 5-7 years later. Battery costs won't come down fast enough to make an electric care that isn't subsidized cheaper than and I...

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by planecane
Thu Apr 30, 2020 3:28 am
Forum: Civil Aviation
Topic: Reuters: Boeing considering 757-Plus and 767-X
Replies: 615
Views: 110407

Re: Reuters: Boeing considering 757-Plus and 767-X

So at this point our friends in Seattle and/or Chicago are just throwing paper planes at a whiteboard and seeing what hits? The NMA mkIV or V has same problem as it's predecessor did five years ago: nobody is going to pay a worthwhile premium over an A321neo (or an XLR now that's been launched) for...

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by planecane
Mon Apr 27, 2020 5:28 pm
Forum: Civil Aviation
Topic: Airbus CEO: "“We’re bleeding cash; may threaten existence of company"
Replies: 190
Views: 31213

Re: Airbus CEO: "“We’re bleeding cash at an unprecedented speed, which may threaten the very existence of our company,”

The age of frequency is over for the next couple of years. Some trunk routes can be running on a once-daily A380. you can't be serious! An A380 trunk route? From where to where?? And? who is goin to FLY said Route?? Yes. NYC-London/Paris/Frankfurt. It is a big airplane that provides more room for s...

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by planecane
Mon Apr 27, 2020 2:33 am
Forum: Civil Aviation
Topic: Discussion: A New 2-1-2 Seating In B737 and A320 Series to Comply Social Distancing?
Replies: 43
Views: 6812

Re: Discussion: A New 2-1-2 Seating In B737 and A320 Series to Comply Social Distancing?

2-1-2 will not be enough to respect the 1-1,5 meters (39-59 inches) recommendation. 1-1-1 could do the job (with 59'" pitch) 6 feet of separation is not going to be happening on airplanes... period. End of story. Exactly. Fares would have to be 6 or 7 times higher to support that capacity decr...

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by planecane
Sun Apr 26, 2020 4:49 pm
Forum: Civil Aviation
Topic: Updated: Boeing Terminates Agreement to Establish Joint Ventures with Embraer
Replies: 1171
Views: 147730

Re: Updated: Boeing Terminates Agreement to Establish Joint Ventures with Embraer

It is not about the size, it is about the technology. If Airbus thinks A320 family architecture is too old, it can switch to A220 architecture. Boeing forfeited that option. I'm confused. Boeing has the NMA technology evolved off the 787. By this I mean: Predictive maintenance Folding wingtips New ...

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