Search found 103 matches

by United857
Sun Aug 09, 2020 5:40 pm
Forum: Civil Aviation
Topic: A333 flying DL295 ATL-HND today
Replies: 30
Views: 9752

Re: A333 flying DL295 ATL-HND today

It's being operated by N823NW, which is not one of the original ex-NW frames, which were N801NW-N821NW. N822NW-N831NW were the 10 units DL ordered with the GE engines delivered from 2015-2017 (the ex-NW frames have PW) and are of the 242 tonne MTOW variant. Granted, it's still a long flight even for...

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by United857
Thu Jul 16, 2020 2:55 am
Forum: Technical/Operations
Topic: A320 Family Center Fuel Tank system changes?
Replies: 5
Views: 1509

Re: A320 Family Center Fuel Tank system changes?

Hi all! During a recent Lufthansa A320neo Flight (D-AINU), I noticed that something was off in the overhead panel. https://imgur.com/a/tL3JqKc Looks like instead of having the center fuel tanks feed directly to the engines, like on previous versions, the NEOs (I have seen pictures of newer CEOs hav...

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by United857
Mon Jul 13, 2020 3:26 pm
Forum: Civil Aviation
Topic: Official: AA moving to LHR T-5
Replies: 101
Views: 15790

Re: Official: AA moving to LHR T-5

The outer pier is divided in two, length wise, one side for arriving pax, the other for departing. Doors (or valves as they are called) have to be opened/closed to block whichever side and allow access to gates on the opposite side. It blocks movement and creates delays to departing pax (and staff)...

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by United857
Sat Jul 11, 2020 7:59 pm
Forum: Civil Aviation
Topic: Official: AA moving to LHR T-5
Replies: 101
Views: 15790

Re: Official: AA moving to LHR T-5

I believe the 2nd level only exists for the concourses directly connected to the head house (gates 1-11, 25+). Gates 13-22 on the concourse further out is single level and they need to close certain doors in it to keep arrivals and departures separate. You mean the Virgin Pier? (Gate 13-22 always s...

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by United857
Sat Jul 11, 2020 6:30 pm
Forum: Civil Aviation
Topic: Official: AA moving to LHR T-5
Replies: 101
Views: 15790

Re: Official: AA moving to LHR T-5

Heathrow Airport Ltd have been clear about the effect of the pandemic on their expansion plans, but has HAL said anything about the effect on the redevelopment of the Central Area? On 5th May the CEO of Heathrow, John Holland-Kaye, told the House of Commons Transport Committee that the airport's £1...

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by United857
Sun Jul 05, 2020 8:00 pm
Forum: Civil Aviation
Topic: Royal Air Maroc to sell 20 aircraft
Replies: 61
Views: 14026

Re: Royal Air Maroc to sell 20 aircraft

Took a look at the linked article, it only says 4 787's are leaving, didn't specify the -8 or -9. In that case, I think it would be the 4 787-9s leaving, as that's the entire -9 fleet, with a homogenous fleet of 5 787-8s remaining.

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by United857
Sat Jul 04, 2020 7:07 pm
Forum: Civil Aviation
Topic: EWR New Terminal One
Replies: 155
Views: 21743

Re: EWR New Terminal One

A.net myth. There is nothing official on this It's not possible to line up two aircraft onto the 4/22s at EWR simultaneously due to the low-altitude traffic coming up along the Hudson for all LGA arrivals that come in from the south and the west at about 4000 ft. To do simultaneous approaches, you ...

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by United857
Sat Jul 04, 2020 5:02 pm
Forum: Civil Aviation
Topic: EWR New Terminal One
Replies: 155
Views: 21743

Re: EWR New Terminal One

3. Leave Terminal C as is. My understanding, and I could be wrong, is that part of demolishing the old terminals is so they can build further back to allow for 22R/4L to be moved to allow for simultaneous approaches. If that is in fact the plan then C will come down too. A.net myth. There is nothin...

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by United857
Mon Jun 22, 2020 2:04 pm
Forum: Civil Aviation
Topic: Delta plans to emerge a "smaller" carrier
Replies: 1961
Views: 342277

Re: Delta plans to emerge a "smaller" carrier

As for the 717, I think it''s days re numbered. I'm not sure how revenant this article is from Forbes about a month ago, but it states that they are cutting the fleet in half, probably trying to keep that magic 90 or 91 aircraft in the 100 seat range. https://www.forbes.com/sites/willhorton1/2020/0...

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by United857
Fri Jun 19, 2020 4:36 pm
Forum: Technical/Operations
Topic: How can Balanced Field Lenght be defined?
Replies: 2
Views: 1302

Re: How can Balanced Field Lenght be defined?

It is defined as when accelerate-stop distance equals the distance it takes for the aircraft to climb to 35ft with an engine failure at V1.

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by United857
Tue Jun 16, 2020 9:51 pm
Forum: Civil Aviation
Topic: Which AA/DL/UA Fleets Are Definitely Not Flying Again?
Replies: 58
Views: 8121

Re: Which AA/DL/UA Fleets Are Definitely Not Flying Again?

I'd be surprised if the UAL PW B752s fly for UA again. Just my guess, of course. I would be very surprised to see the 12 739-NON ERs ever return. I understand the 753/764s are at the bottom of the wake up list. Quite a few of the 753's are actually flying revenue flights every day right now between...

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by United857
Mon Jun 01, 2020 2:14 am
Forum: Civil Aviation
Topic: DL to permanently retire entire 777 fleet
Replies: 747
Views: 117473

Re: DL to permanently retire entire 777 fleet

So what is the engine performance like for the 77W out of DXB on a 114F day compared to the same 77W out of JNB at 77F but at its 5 558ft altitude? Is that even a valid comparison? Have you looked at aircraft performance with altitude and temperature? Both Boeing and Airbus have extensive outlines:...

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by United857
Mon May 25, 2020 6:22 pm
Forum: Civil Aviation
Topic: Boeing 777X Testing/Production Thread - 2020
Replies: 1448
Views: 277580

Re: Boeing 777X Testing/Production Thread - 2020

I remember reading somewhere that the problem with going above the current 351t MTOW is the pavement loading. The current 2x 6-wheel bogies are up against the limit of pavement strength in quite a few airports. The A345/A346 can do 381t on the same number of main gear wheels (12) because it uses 3x ...

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by United857
Mon May 25, 2020 1:19 am
Forum: Technical/Operations
Topic: The future of inflight showers
Replies: 22
Views: 3063

Re: The future of inflight showers

IMHO in-flight showers are more of a showoff product than a commercial advantage. Also, in an A380, there's lots of space for large suites, the Etihad "Apartment" and so on. This is not the case in the 777/787/A350. Is there any reason then why they weren't ever used on the 747 then? Also...

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by United857
Fri May 22, 2020 3:52 pm
Forum: Civil Aviation
Topic: 13L Takeoffs today at JFK
Replies: 18
Views: 3071

Re: 13L Takeoffs today at JFK

If we close ISP, would that allow a lot more takeoff/landing at JFK? No, the much bigger problem is the proximity of LGA. They are so close together that the runways in use at one airport directly impact the available runways that can be used at the other. If you have bad weather, the proximity of ...

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by United857
Wed May 20, 2020 11:02 pm
Forum: Civil Aviation
Topic: DL to permanently retire entire 777 fleet
Replies: 747
Views: 117473

Re: DL to permanently retire entire 777 fleet

Just the fact that the 777's will be gone by the end of 2020. So it would make sense to put the A359 on the route as soon as the 777 is gone. That being said I think they will most likely run the 777 until the end of the year on the route *IF it returns this year. Well, right now I believe DL has a...

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by United857
Tue May 19, 2020 7:45 pm
Forum: Technical/Operations
Topic: Ground height of today’s wide-bodies
Replies: 22
Views: 3596

Re: Ground height of today’s wide-bodies

It’s part of why I find the 787 so ugly. Interestingly and conversely, the tall, gangly nosegear of the 777 is something I find very ugly, and the one thing that spoils the beauty of the aircraft. Regards, JetMech I’ve noticed the 777 has various nose gear heights - the 773ER is sometimes very high...

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by United857
Tue May 19, 2020 3:49 am
Forum: Technical/Operations
Topic: RR CTi Fan Colour
Replies: 5
Views: 1188

Re: RR CTi Fan Colour

Just out of curiosity, why does the RR version have the turquoise color while the GE version is black? I've toured a UA engine shop before and held a GE90 fan blade in my hand, and the black color is not paint, but is the actual color of the carbon "fabric."

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by United857
Fri May 15, 2020 4:02 am
Forum: Civil Aviation
Topic: DL to permanently retire entire 777 fleet
Replies: 747
Views: 117473

Re: DL to permanently retire entire 777 fleet

Removing the 777 removes an entire fleet type from the equation. Pilots, tech ops, scheduling. There’s 18 777s while over 100 combined 757/767s. Totally more sense to eliminate the odd one out, especially when 288 seats and ULH range isn’t needed for a long time. If they want to restart that route,...

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by United857
Thu May 14, 2020 7:27 pm
Forum: Civil Aviation
Topic: DL to permanently retire entire 777 fleet
Replies: 747
Views: 117473

Re: DL to permanently retire entire 777 fleet

PW 4060 PW 4168 GE CF6 RR Trent True, makes sense in that perspective too. Don't know how much difference there is between the CF6 on 763, 762 and A333. The 772ER featured the Trent too, so technically they only get rid of one odd ball engine. The GE90 The two PW 4000 models are pretty similar I th...

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by United857
Thu May 14, 2020 4:02 pm
Forum: Civil Aviation
Topic: DL to permanently retire entire 777 fleet
Replies: 747
Views: 117473

Re: DL to permanently retire entire 777 fleet

With SAA operating JNB-JFK on the A359 I have more faith in the aircraft to fly to ATL. Can the A359 make JNB-ATL with a good payload and cargo? I've heard JNB prints money like gold since DL right now has no competition to Africa non-stop (SAA is in dire straights and stopped flying). Problem is i...

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by United857
Wed May 06, 2020 12:38 am
Forum: Civil Aviation
Topic: 753 and 764 Survival
Replies: 67
Views: 15453

Re: 753 and 764 Survival

Any opinions as to the likelihood that Delta and United will retain these unique planes post COVID-19? I know that the 753s and 764s are not old, so hopefully they can stick around. I had some travel booked on 753s for this summer and I'm not sure I'll be on 753s or even 752s. The 753 are unique in...

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by United857
Sat May 02, 2020 4:04 am
Forum: Civil Aviation
Topic: Tokyo-Haneda really does 87,098,683 passengers?
Replies: 17
Views: 3439

Re: Tokyo-Haneda really does 87,098,683 passengers?

I’ve always been intrigued by HND’s enormous passenger throughput given the relatively low number of gates. Take a look at the overall infrastructure of HND, which actually seems smaller than neighboring NRT. How on earth are they able to turn over 87 million passengers per year? How many narrowbod...

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by United857
Thu Apr 30, 2020 6:15 pm
Forum: Civil Aviation
Topic: Super Rare: JFK ILS 13L with good visibility
Replies: 9
Views: 3901

Re: Super Rare: JFK ILS 13L with good visibility

Surprised that they're not flying the modified GPS approach that goes over the Verrazzano and interior Brooklyn. Do the aircraft need ILS support despite good visibility? They probably don't, since under normal traffic conditions they would be running the visual Canarsie approach. They're most like...

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by United857
Thu Apr 30, 2020 5:13 pm
Forum: Civil Aviation
Topic: Super Rare: JFK ILS 13L with good visibility
Replies: 9
Views: 3901

Super Rare: JFK ILS 13L with good visibility

High winds in NYC coming from the southeast are forcing JFK to use the 13s for arrivals today (winds from 130 at 24 knots gusting 34). But because there is so little traffic due to COVID-19, instead of the usual visual Canarsie approach to keep JFK arrivals on the 13s from intersecting LGA arrivals,...

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by United857
Wed Apr 22, 2020 12:56 am
Forum: Civil Aviation
Topic: Rumor: DL looking to trade 717s for 737 Max
Replies: 365
Views: 63270

Re: Rumor: DL looking to trade 717s for 737 Max

Delta probably wants to offload their 91 717s because they are coming up on an airworthiness directive for all the economy seats. Apparently the Zodiac seats have a design flaw where the ledge at the top of the tray table has the potential to break people's necks in an emergency landing (https://www...

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by United857
Thu Apr 02, 2020 3:36 am
Forum: Civil Aviation
Topic: Newark Airport Future
Replies: 199
Views: 21964

Re: Newark Airport Future

...Then space out the 4's/22's so they they can operate simultaneously. ( if im not mistaken they have to be a mile apart for them to operate simultaneously) As of right now the arrivals and departures need to be staggered There is no FAA separation requirement to operate arrivals versus departures...

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by United857
Tue Mar 31, 2020 6:17 pm
Forum: Technical/Operations
Topic: Service Ceiling Difference between A350-900 and -1000 (and 787-8/9 and -10)
Replies: 32
Views: 5303

Re: Service Ceiling Difference between A350-900 and -1000 (and 787-8/9 and -10)

Passenger aircraft have a certification requirement to be able to descend from maximum operating altitude to 10,000 ft within a certain number of minutes in case of a rapid decompression. The larger variants of these aircraft are heavier, which means there is more potential energy that needs to be s...

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by United857
Tue Mar 31, 2020 12:43 am
Forum: Civil Aviation
Topic: Final(?) flight of a LH A380
Replies: 80
Views: 20334

Re: Final(?) flight of a LH A380

That may be the saving grace for the A346 over the A380---the A380 is larger but has fewer LD3 positions (38; the A346 has 43). LH could actually consider reconfiguring the remaining A346s without first class as a B744 replacement and take any that are in storage but not parted out for the same rea...

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by United857
Wed Mar 25, 2020 1:06 am
Forum: Civil Aviation
Topic: Boeing 747-400 Passenger Fleet Tracking/Retirements Thread - 2020
Replies: 335
Views: 71815

Re: Boeing 747-400 Passenger Fleet Tracking/Retirements Thread - 2020

Quick question, is it possible to fly a combi with main deck pallets while the passenger cabin is empty without the center of gravity going out of limits? Since the cargo section is between doors 4 and 5, I'd imagine that would be very tail heavy.

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by United857
Sat Mar 14, 2020 6:05 pm
Forum: Civil Aviation
Topic: JFK Terminal 8 Renovation Thread (2020)
Replies: 205
Views: 23633

Re: JFK Terminal 8 Renovation Thread (2020)

blacksoviet wrote:
How many gates at Terminal 8 are not connected to FIS?


All the gates on the satellite concourse that face away from the main terminal.

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by United857
Sun Feb 23, 2020 6:24 pm
Forum: Civil Aviation
Topic: So how New is the 777X?
Replies: 157
Views: 18617

Re: So how New is the 777X?

It’s more of a new aircraft than the A320neo, A330neo and MAX. But not so new that it’s literally a new aircraft hiding underneath. I consider the 777X very similar to the 737 classic to 737NG transition I personally consider the 777 to 777X to be even more of a change than the 737 Classic to 737NG...

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by United857
Sun Feb 23, 2020 3:47 pm
Forum: Civil Aviation
Topic: So how New is the 777X?
Replies: 157
Views: 18617

Re: So how New is the 777X?

From a structural integrity standpoint, the 777X is very different from the original 777. Pretty much the only thing major items that have remained the same is the outer fuselage diameter and the horizontal stabilizer. In order to get an extra 4 inches of cabin width to accommodate 18-inch wide seat...

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by United857
Sat Jan 25, 2020 6:46 pm
Forum: Civil Aviation
Topic: Boeing 777-9 first flight 25 January 2020
Replies: 970
Views: 80434

Re: Boeing 777-9 first flight 25 January 2020 at 10am (weather permitting)

wow amazing! did the main landing gear lift before the front nose? kinda tells me that wing is amazing with insane lift. That is what I saw, as well. The plane is likely very light so perhaps the huge lift from the wings was enough to get her bum in the air first. https://www.youtube.com/watch?v=z1...

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by United857
Fri Dec 20, 2019 8:23 am
Forum: Technical/Operations
Topic: Requirements to Fly Above 40,000-41,000 Feet
Replies: 14
Views: 2553

Re: Requirements to Fly Above 40,000-41,000 Feet

Note: according to wiki the service ceiling of the 788 and 789 is 43,100ft. Interestingly, the 787-10 service ceiling is listed as 41,100ft. I am not sure why the 787-10 service ceiling would be lower. due to Max differential pressure Generated the 787-10 and the 787-9 have nearly the same pressuri...

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by United857
Sun Dec 15, 2019 1:40 pm
Forum: Civil Aviation
Topic: Boeing 737NG Production/Delivery Thread - 2019
Replies: 90
Views: 22378

Re: Boeing 737NG Production/Delivery Thread - 2019

China United 738 B-209H touch and go at PAE Why are there several undelivered China United 737NGs at Boeing facilities? I understand they've been pending delivery for some time, but I don't remember seeing a reason why. Originally the 8 frames were delayed because their sole hub Beijing Nanyuan (NA...

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by United857
Tue Dec 10, 2019 12:01 pm
Forum: Technical/Operations
Topic: A330-300 vs. A340-300 range
Replies: 44
Views: 9180

Re: A330-300 vs. A340-300 range

I wonder if the A340-300 with PW GTF or the CFM LEAP1A would be a competitive in today's market. A340-300 is really just an A330-300/900 with four instead of two engines, and an extra center landing gear due to higher MTOW. That's a good question. Good thread on the 333/343 discussion from a few ye...

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by United857
Sun Dec 08, 2019 4:20 pm
Forum: Civil Aviation
Topic: United Airlines A350 update?
Replies: 131
Views: 40502

Re: United Airlines A350 update?

Did UA ever sign a RR contract, or was the deposit just for the frames? They can always take some 787 with RR engines. If that would hypothetically satisfy the RR/350 contract (which it likely won’t), would the economies of scale for a sub fleet of RR 787s work for UA? Given they are doing that ver...

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by United857
Thu Dec 05, 2019 6:51 am
Forum: Civil Aviation
Topic: Pictures surfacing of 777X Sept Test Failure
Replies: 308
Views: 61672

Re: Pictures surfacing of 777X Sept Test Failure

“Grandfathering” is just a term that some people throw around here to try and disparage an OEM while trying to give off the appearance of being objective and just concerned about safety. Let’s think for a minute, how is any part of this test an example of the failures/dangers of “grandfathering”? B...

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by United857
Mon Nov 18, 2019 5:52 am
Forum: Civil Aviation
Topic: Exit doors on A321neo (Cabin Flex), B739(ER) and Boeing 737 MAX 9/10
Replies: 35
Views: 7045

Re: Exit doors on A321neo (Cabin Flex), B739(ER) and Boeing 737 MAX 9/10

Sorry, another observation and a few more questions. It seems like the ability to activate or deactivate doors driving different seat count possibilities is becoming more common place and are options the OEMs are offering out of the box. Why didn’t we see this type of offering on previous models? T...

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by United857
Sun Nov 17, 2019 8:20 am
Forum: Civil Aviation
Topic: New York City Aviation Thread - 2019
Replies: 49
Views: 6268

Re: New York City Aviation Thread - 2019

Good news, JFK 13L/31R reopened on time yesterday 11/16 after being shut since 4/1. Widened to 200ft and fully converted to concrete.

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by United857
Wed Nov 06, 2019 8:23 am
Forum: Civil Aviation
Topic: KLM to retire A330's by 2025, to become all Boeing airline
Replies: 118
Views: 26468

Re: KLM to retire A330's by 2025, to become all Boeing airline

It should also be noted that the A333 is basically the same size as the B789, so there isn't really much of a trade in capacity at all with this replacement (292 vs. 294 seats in KL's configs, both with 30 business class seats so comparable premium cabin size). If KLM decides to pick up a couple of ...

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by United857
Sat Nov 02, 2019 1:45 pm
Forum: Civil Aviation
Topic: A220 vs E-195E2, market battle already won by Airbus ?
Replies: 528
Views: 62215

Re: A220 vs E-195E2, market battle already won by Airbus ?

Yes, but not as much as with the 190E2. This wing of the 175E2 is specific to it. The wings are all 3 specific to each model. Sure, but the 190/195 wings have much more commonality between them than with the 175 wing. The 190E2/195E2 wings are actually identical other than the length/angle of the r...

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by United857
Mon Oct 28, 2019 4:26 pm
Forum: Civil Aviation
Topic: Thoughts on DL 717 longetivity
Replies: 49
Views: 12956

Re: Thoughts on DL 717 longetivity

What is the parts commonality between the 717 and the DC-9/MD-80 family? Can DL use harvested landing gear and other parts from the retired fleet as parts inventory? If so, that may help extend the 717s for quite some time. I believe a lot of the structure is the same. Also, as far as landing gear,...

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by United857
Sat Oct 26, 2019 1:30 pm
Forum: Civil Aviation
Topic: Delta A330NEO MTOW Question
Replies: 27
Views: 7956

Re: Delta A330NEO MTOW Question

I meant to say that I think all DL's A339s are already 251T cuz they purposefully waited a bit longer than originally planned in order to get the extra payload capability. In terms of routes, even if the A333 has enough range, the fuel savings of the A339 would be more significant the longer the rou...

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by United857
Sat Oct 26, 2019 12:39 pm
Forum: Civil Aviation
Topic: Delta A330NEO MTOW Question
Replies: 27
Views: 7956

Re: Delta A330NEO MTOW Question

All A330neo’s have at minimum 242T MTOW. I think Delta intentionally waited a bit In the production line sequence before taking their first A330neo in order to get 251T.

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by United857
Sun Oct 13, 2019 11:19 am
Forum: Technical/Operations
Topic: Jetblue Burbank-Boston fuel stop question
Replies: 6
Views: 8838

Re: Jetblue Burbank-Boston fuel stop question

Also consider that BUR has pretty short runways for a 5.5-6 hour transcon flight (only 6800 ft), which means the plane is probably weight limited for departure. Even if they could normally make it nonstop with a full passenger load, there’s probably not much headroom for when the jetstream is signif...

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by United857
Sat Oct 12, 2019 2:28 pm
Forum: Civil Aviation
Topic: Boeing examines GEnX powered 767
Replies: 617
Views: 147472

Re: Boeing examines GEnX powered 767

Who ever said CMC? So you're proposing they completely modify the 1B to allow for bleed air for a limited production run, derate the engine by 20% reducing efficiency and carry 1000kg of extra deadweight? Crazy stuff. Boeing would fit a completely standard 2B67B to the 767. Simply derating the 2B b...

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by United857
Fri Oct 11, 2019 3:55 am
Forum: Civil Aviation
Topic: Boeing examines GEnX powered 767
Replies: 617
Views: 147472

Re: Boeing examines GEnX powered 767

The 767-400 already has the 777 glass cockpit. A.net pedantry rules require me to comment that the 767-400 has the 777 glass displays yet a very different cockpit. I would like to inquire just what constitutes "a very different cockpit"? In my opinion the cockpits are very similar. Grante...

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