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VCVSpotter
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Re: Boeing 777X Testing/Production Thread - 2020

Thu Jun 04, 2020 4:05 pm

777-9 N779XW filed BFI-BFI as BOE1 10:20AM - 11:23AM. As mentioned last night, this is a stability and control test flight.

https://flightaware.com/live/flight/BOE1
https://docs.google.com/spreadsheets/d/ ... edit#gid=0

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VCVSpotter
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Re: Boeing 777X Testing/Production Thread - 2020

Thu Jun 04, 2020 4:42 pm

According to the Instagram story for B777XLovers, N779XY will be outfitted with a cabin interior.

https://www.instagram.com/b777xlovers/?hl=en
https://docs.google.com/spreadsheets/d/ ... edit#gid=0

Just a normal teenager juggling AP classes and airplanes. No biggie • Love the 747 & 777-9 • Farewell BA/KL 744s
 
Opus99
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Re: Boeing 777X Testing/Production Thread - 2020

Thu Jun 04, 2020 4:59 pm

VCVSpotter wrote:
According to the Instagram story for B777XLovers, N779XY will be outfitted with a cabin interior.

https://www.instagram.com/b777xlovers/?hl=en

saw this earlier, was wondering what exactly they meant by that. do they mean cabin panels, overhead lockers, toilets etc? so everything but the seats
 
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Stitch
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Re: Boeing 777X Testing/Production Thread - 2020

Thu Jun 04, 2020 6:02 pm

Opus99 wrote:
saw this earlier, was wondering what exactly they meant by that. do they mean cabin panels, overhead lockers, toilets etc? so everything but the seats


I believe it is a customer-representative interior.

I can't find a picture of the 787 with such an interior, but there are pictures with full sidewalls and ceilings and overhead bins with racks of equipment and others that do not have these features. So it probably depends on the testing frame and what is is being tasked to test.
 
VV
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Re: Boeing 777X Testing/Production Thread - 2020

Thu Jun 04, 2020 7:12 pm

VCVSpotter wrote:
777-9 N779XW filed BFI-BFI as BOE1 10:20AM - 11:23AM. As mentioned last night, this is a stability and control test flight.

https://flightaware.com/live/flight/BOE1


Are they testing the landing flap configuration?
 
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Stitch
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Re: Boeing 777X Testing/Production Thread - 2020

Fri Jun 05, 2020 12:06 am

We now have a dedicated discussion thread to the 777F / 787 / 777X order - viewtopic.php?f=3&t=1447223&p=22256283#p22256283
 
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kanban
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Re: Boeing 777X Testing/Production Thread - 2020

Fri Jun 05, 2020 5:09 am

bikerthai wrote:
While Jeffrey's response may be most accurate, another explanation may be that the cover is semi transparent and the primer underneath is also of a different shade.

bt

must a slow day.. the widows are covered for storage not for protection in the paint shop. remember the fuselage is painted between the windows . also they have adhesive window covers that are used in paint the covers sometimes are on the windows prior to installation and sometimes applied later before paint. Customers like to be able to inspect the windows and the exterior reveal before paint. The fuselage shading is caused by different skin manufacturers applying a protective coat that has no color standard as it is washed off prior to paint.
 
VV
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Re: Boeing 777X Testing/Production Thread - 2020

Fri Jun 05, 2020 9:46 am

kanban wrote:
...

must a slow day.. the widows are covered for storage not for protection in the paint shop. remember the fuselage is painted between the windows . also they have adhesive window covers that are used in paint the covers sometimes are on the windows prior to installation and sometimes applied later before paint. Customers like to be able to inspect the windows and the exterior reveal before paint. The fuselage shading is caused by different skin manufacturers applying a protective coat that has no color standard as it is washed off prior to paint.


Usually the widows wear black veil, indeed.
 
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Re: Boeing 777X Testing/Production Thread - 2020

Fri Jun 05, 2020 4:22 pm

777-9 N779XW filed BFI-BFI 11AM - 2:04PM as BOE1.

https://flightaware.com/live/flight/BOE1
https://docs.google.com/spreadsheets/d/ ... edit#gid=0

Just a normal teenager juggling AP classes and airplanes. No biggie • Love the 747 & 777-9 • Farewell BA/KL 744s
 
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Re: Boeing 777X Testing/Production Thread - 2020

Sat Jun 06, 2020 6:21 am

VCVSpotter wrote:
777-9 N779XW filed BFI-BFI 11AM - 2:04PM as BOE1.

https://flightaware.com/live/flight/BOE1


Today’s flight was for continued stability and control testing.

777-9 N779XY (WH003) is scheduled for APU fire detection certification testing at the fuel dock on June 8.

Source: http://kpae.blogspot.com/2020/06/paine- ... 5.html?m=1
https://docs.google.com/spreadsheets/d/ ... edit#gid=0

Just a normal teenager juggling AP classes and airplanes. No biggie • Love the 747 & 777-9 • Farewell BA/KL 744s
 
Noshow
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Re: Boeing 777X Testing/Production Thread - 2020

Sat Jun 06, 2020 8:24 am

Thanks for all your updates. It's good to see it progressing.
 
Opus99
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Re: Boeing 777X Testing/Production Thread - 2020

Sat Jun 06, 2020 11:47 am

VCVSpotter wrote:
VCVSpotter wrote:
777-9 N779XW filed BFI-BFI 11AM - 2:04PM as BOE1.

https://flightaware.com/live/flight/BOE1


Today’s flight was for continued stability and control testing.

777-9 N779XY (WH003) is scheduled for APU fire detection certification testing at the fuel dock on June 8.

Source: http://kpae.blogspot.com/2020/06/paine- ... 5.html?m=1

Given One of WH003s assigned tests is APU testing we can assume it is beginning it’s own test phase from Monday.

This is just my own thinking but if you notice and it was similar for the -10 program. Each test aircraft flies about 100hrs after the previous. So WH002 came in just after 100hrs and we are now at 189hrs very close to 200hrs and WH003 will soon have its first flight.
 
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Re: Boeing 777X Testing/Production Thread - 2020

Sat Jun 06, 2020 3:53 pm

777-9 N779XW filed BFI-BFI 10AM - 1:44PM as BOE1.

https://flightaware.com/live/flight/BOE1
https://docs.google.com/spreadsheets/d/ ... edit#gid=0

Just a normal teenager juggling AP classes and airplanes. No biggie • Love the 747 & 777-9 • Farewell BA/KL 744s
 
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Re: Boeing 777X Testing/Production Thread - 2020

Mon Jun 08, 2020 7:00 pm

777-9 N779XX on a test flight BFI-BFI 11:45AM - 1:45PM as BOE2

https://flightaware.com/live/flight/BOE2
https://docs.google.com/spreadsheets/d/ ... edit#gid=0

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Opus99
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Re: Boeing 777X Testing/Production Thread - 2020

Tue Jun 09, 2020 9:03 am

http://www.paineairport.com/kpae18398y.htm

N779XY at the fuel dock. This is my favourite livery for sure!
 
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Re: Boeing 777X Testing/Production Thread - 2020

Tue Jun 09, 2020 4:29 pm

777-9 N779XX filed BFI-BFI 10AM - 11:35AM as BOE2.

https://flightaware.com/live/flight/BOE2
https://docs.google.com/spreadsheets/d/ ... edit#gid=0

Just a normal teenager juggling AP classes and airplanes. No biggie • Love the 747 & 777-9 • Farewell BA/KL 744s
 
Opus99
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Re: Boeing 777X Testing/Production Thread - 2020

Wed Jun 10, 2020 3:20 pm

Hello 777X friends. Boeing asking the FAA for 777X wingtips exemption that will allow de-icing in the folded position. Why can’t one de ice in the folded positon?

https://twitter.com/samjmintz/status/12 ... 99398?s=21
 
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Stitch
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Re: Boeing 777X Testing/Production Thread - 2020

Wed Jun 10, 2020 4:24 pm

Opus99 wrote:
Why can’t one de ice in the folded positon?


That Boeing is asking to be allowed to do so seems proof enough that they can be de-iced in the retracted ("up") position. I expect the reason for this ask is so that a 777X can be de-iced at the gate with the wingtips in the retracted (folded) position and then they would extend to the "flight position" during taxi to the active runway. If the FAA required the 777X to be de-iced with the wingtips in the "flight position", that could slow down operations because the 777X would have to taxi from the gate to an area where it could extend it's wingtips and then be de-iced (so a remote de-icing station).
 
travaz
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Re: Boeing 777X Testing/Production Thread - 2020

Thu Jun 11, 2020 12:59 am

Could unfolding before deicing create problems with Ice in the hinge area?
 
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Re: Boeing 777X Testing/Production Thread - 2020

Thu Jun 11, 2020 1:56 pm

You would think you'd want to de-ice the wing with the tips up. I mean if the joint get iced up, you wouldn't be able to fold it down.

As for any issue with de-icer fluid, and the joint, my guess would be no. The F-18 wing joints sees much worse environmental condition with salt spray. You would hope they took lessons from that experience.

And surely de-icer fluid have leaked into flap and rudder joints for ages now, and it's been OK.

bt
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Re: Boeing 777X Testing/Production Thread - 2020

Thu Jun 11, 2020 4:34 pm

777-9 N779XX filed BFI-BFI 10AM - 1:30PM as BOE2.

https://flightaware.com/live/flight/BOE2
https://docs.google.com/spreadsheets/d/ ... edit#gid=0

Just a normal teenager juggling AP classes and airplanes. No biggie • Love the 747 & 777-9 • Farewell BA/KL 744s
 
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Re: Boeing 777X Testing/Production Thread - 2020

Thu Jun 11, 2020 5:41 pm

Stitch wrote:
Opus99 wrote:
Why can’t one de ice in the folded positon?


That Boeing is asking to be allowed to do so seems proof enough that they can be de-iced in the retracted ("up") position. I expect the reason for this ask is so that a 777X can be de-iced at the gate with the wingtips in the retracted (folded) position and then they would extend to the "flight position" during taxi to the active runway. If the FAA required the 777X to be de-iced with the wingtips in the "flight position", that could slow down operations because the 777X would have to taxi from the gate to an area where it could extend it's wingtips and then be de-iced (so a remote de-icing station).

Boeing just needs to show good data they can be certain that the wingtips locked indications work in icing conditions. This adds one test in the cold (chilled hanger or outside). Not fun for the engineer who has to go Eskimo out to run this test, but not a big deal. Possibly two tests (put in a block simulating ice preventing fold down and show no damage and appropriate alerts).

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Re: Boeing 777X Testing/Production Thread - 2020

Fri Jun 12, 2020 5:25 pm

777-9 N779XX filed BFI-BFI 11AM - 2:03PM as BOE2.

https://flightaware.com/live/flight/BOE2
https://docs.google.com/spreadsheets/d/ ... edit#gid=0

Just a normal teenager juggling AP classes and airplanes. No biggie • Love the 747 & 777-9 • Farewell BA/KL 744s
 
Aviator34ID
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Re: Boeing 777X Testing/Production Thread - 2020

Fri Jun 12, 2020 9:45 pm

What are the test flight hours up to now?
 
EK7777
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Re: Boeing 777X Testing/Production Thread - 2020

Fri Jun 12, 2020 10:20 pm

Aviator34ID wrote:
What are the test flight hours up to now?
203 hours combined.

175 for WH001 and 28 for WH002.
 
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MoKa777
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Re: Boeing 777X Testing/Production Thread - 2020

Sat Jun 13, 2020 1:18 am

How many test flight hours are required for certification?
Never be proud. Always be grateful.
 
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Stitch
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Re: Boeing 777X Testing/Production Thread - 2020

Sat Jun 13, 2020 4:11 am

MoKa777 wrote:
How many test flight hours are required for certification?


I expect it is more successfully completing all of the various testing milestones than raw accumulation of hours, though some milestones will require certain minimum flight hours (the ETOPS testing, for example).
 
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MoKa777
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Re: Boeing 777X Testing/Production Thread - 2020

Sat Jun 13, 2020 9:03 am

Stitch wrote:
MoKa777 wrote:
How many test flight hours are required for certification?


I expect it is more successfully completing all of the various testing milestones than raw accumulation of hours, though some milestones will require certain minimum flight hours (the ETOPS testing, for example).


That makes sense. Thank you
Never be proud. Always be grateful.
 
OldAeroGuy
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Re: Boeing 777X Testing/Production Thread - 2020

Sat Jun 13, 2020 2:01 pm

Stitch wrote:
MoKa777 wrote:
How many test flight hours are required for certification?


I expect it is more successfully completing all of the various testing milestones than raw accumulation of hours, though some milestones will require certain minimum flight hours (the ETOPS testing, for example).


Good answer.

In addition, there will be test hours that are not related to certification. Fuel mileage data are not required for certification but tests will performed as this information is important for Sales and Marketing.
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Noshow
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Re: Boeing 777X Testing/Production Thread - 2020

Sat Jun 13, 2020 2:31 pm

There will still be some ballpark number. Like (speculating) 2000 or 2500 flight test hours or similar.
In the old days Boeing would have told us. Now everything is quiet. It's an airliner no black program.
 
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Re: Boeing 777X Testing/Production Thread - 2020

Sat Jun 13, 2020 5:17 pm

777-9 N779XX filed BFI-BFI 10:30AM - 1:30PM as BOE2.

https://flightaware.com/live/flight/BOE2
https://docs.google.com/spreadsheets/d/ ... edit#gid=0

Just a normal teenager juggling AP classes and airplanes. No biggie • Love the 747 & 777-9 • Farewell BA/KL 744s
 
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Re: Boeing 777X Testing/Production Thread - 2020

Tue Jun 16, 2020 3:16 pm

777-9 N779XX filed BFI-BFI 9:30AM - 12:25PM as BOE2.

https://flightaware.com/live/flight/BOE2
https://docs.google.com/spreadsheets/d/ ... edit#gid=0

Just a normal teenager juggling AP classes and airplanes. No biggie • Love the 747 & 777-9 • Farewell BA/KL 744s
 
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Re: Boeing 777X Testing/Production Thread - 2020

Tue Jun 16, 2020 4:41 pm

According to b777xlovers on Instagram, the trailing cone has been attached to 777-9 N779XY WH003. It notes that this is usually attached a few days before taxi tests begin.

https://www.instagram.com/stories/b777x ... 141101628/
https://docs.google.com/spreadsheets/d/ ... edit#gid=0

Just a normal teenager juggling AP classes and airplanes. No biggie • Love the 747 & 777-9 • Farewell BA/KL 744s
 
Opus99
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Re: Boeing 777X Testing/Production Thread - 2020

Tue Jun 16, 2020 4:46 pm

VCVSpotter wrote:
According to b777xlovers on Instagram, the trailing cone has been attached to 777-9 N779XY WH003. It notes that this is usually attached a few days before taxi tests begin.

https://www.instagram.com/stories/b777x ... 141101628/

Yes. There’s pictorial evidence too, you’d need to do a bit of work though

https://twitter.com/kpae_spotter/status ... 43329?s=21

Third pic. If you zoom into WH003 you can see it
 
TropicalSky
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Re: Boeing 777X Testing/Production Thread - 2020

Tue Jun 16, 2020 5:56 pm

Why hasn't wh-001 flown for over a week? New installations or maintenance?
 
iamlucky13
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Re: Boeing 777X Testing/Production Thread - 2020

Tue Jun 16, 2020 7:13 pm

Stitch wrote:
MoKa777 wrote:
How many test flight hours are required for certification?


I expect it is more successfully completing all of the various testing milestones than raw accumulation of hours, though some milestones will require certain minimum flight hours (the ETOPS testing, for example).


Yes. The flight tests demonstrate compliance with all the regulatory requirements, so it's not really an hour accrual matter. A detailed flight test plan is needed in order to manage resources and a schedule, and that allows an estimate of the number of flight hours that will be involved, but hour targets should be treated as estimates of how long the tests will take to complete, not a test goal itself.

From memory, I think most new aircraft test programs plan for around 2000-3000 flight test hours.
 
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VCVSpotter
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Re: Boeing 777X Testing/Production Thread - 2020

Wed Jun 17, 2020 1:27 am

Opus99 wrote:
VCVSpotter wrote:
According to b777xlovers on Instagram, the trailing cone has been attached to 777-9 N779XY WH003. It notes that this is usually attached a few days before taxi tests begin.

https://www.instagram.com/stories/b777x ... 141101628/

Yes. There’s pictorial evidence too, you’d need to do a bit of work though

https://twitter.com/kpae_spotter/status ... 43329?s=21

Third pic. If you zoom into WH003 you can see it


Image
Here's a better image of it which was taken today.

https://twitter.com/mattcawby/status/12 ... 2286039041
https://docs.google.com/spreadsheets/d/ ... edit#gid=0

Just a normal teenager juggling AP classes and airplanes. No biggie • Love the 747 & 777-9 • Farewell BA/KL 744s
 
Opus99
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Re: Boeing 777X Testing/Production Thread - 2020

Wed Jun 17, 2020 11:53 am

some has asked a good question here. Can someone explain why the tail has got that bend at the bottom?

https://twitter.com/urielmazoz/status/1 ... 12192?s=20
 
StTim
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Re: Boeing 777X Testing/Production Thread - 2020

Wed Jun 17, 2020 1:34 pm

I spotted that on the twitter feed this morning and could not think of another plane that had the same tail configuration
 
Opus99
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Re: Boeing 777X Testing/Production Thread - 2020

Wed Jun 17, 2020 1:36 pm

StTim wrote:
I spotted that on the twitter feed this morning and could not think of another plane that had the same tail configuration

Yeah exactly. I thought maybe it was like the 787 but the 787 doesn’t have that. I wonder what the purpose behind it is
 
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Grackle
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Re: Boeing 777X Testing/Production Thread - 2020

Wed Jun 17, 2020 2:21 pm

I think the curve at the lower end of the rudder allows access to a port underneath the rudder. But Boeing might have been trying to shave a few pounds off. JK
 
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VCVSpotter
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Re: Boeing 777X Testing/Production Thread - 2020

Wed Jun 17, 2020 4:07 pm

777-9 N779XX filed BFI-BFI 9AM - 12:30PM as BOE2.

https://flightaware.com/live/flight/BOE2
https://docs.google.com/spreadsheets/d/ ... edit#gid=0

Just a normal teenager juggling AP classes and airplanes. No biggie • Love the 747 & 777-9 • Farewell BA/KL 744s
 
TropicalSky
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Re: Boeing 777X Testing/Production Thread - 2020

Wed Jun 17, 2020 4:48 pm

Any update on why N779XW hasn't flown in over a week?


VCVSpotter wrote:
777-9 N779XX filed BFI-BFI 9AM - 12:30PM as BOE2.

https://flightaware.com/live/flight/BOE2
 
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VCVSpotter
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Re: Boeing 777X Testing/Production Thread - 2020

Wed Jun 17, 2020 4:50 pm

TropicalSky wrote:
Any update on why N779XW hasn't flown in over a week?


VCVSpotter wrote:
777-9 N779XX filed BFI-BFI 9AM - 12:30PM as BOE2.

https://flightaware.com/live/flight/BOE2


Not sure why, sorry.
https://docs.google.com/spreadsheets/d/ ... edit#gid=0

Just a normal teenager juggling AP classes and airplanes. No biggie • Love the 747 & 777-9 • Farewell BA/KL 744s
 
TropicalSky
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Re: Boeing 777X Testing/Production Thread - 2020

Wed Jun 17, 2020 6:49 pm

Appears 777X finally made it to the state of California
 
iflyabunch
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Re: Boeing 777X Testing/Production Thread - 2020

Thu Jun 18, 2020 1:41 am

TropicalSky wrote:
Appears 777X finally made it to the state of California

And over 43,000 feet as well.
 
Noshow
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Re: Boeing 777X Testing/Production Thread - 2020

Thu Jun 18, 2020 12:02 pm

That sounds about right. Thanks for the update.
 
Opus99
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Re: Boeing 777X Testing/Production Thread - 2020

Thu Jun 18, 2020 3:30 pm

N779XX on it’s way to Moses Lake!

Now on flight radar as BOE002
 
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VCVSpotter
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Re: Boeing 777X Testing/Production Thread - 2020

Thu Jun 18, 2020 4:43 pm

Opus99 wrote:
N779XX on it’s way to Moses Lake!

Now on flight radar as BOE002


Yes, it seems that it was 'sneaky' and decided to say it was a 789 today on FlightAware :lol:

On a side note, this must be a relief for everyone wondering why N779XW hasn't flown in a while: 777-9 N779XW filed BFI-BFI 10AM - 10:30AM as BOE1.

https://flightaware.com/live/flight/BOE1
https://docs.google.com/spreadsheets/d/ ... edit#gid=0

Just a normal teenager juggling AP classes and airplanes. No biggie • Love the 747 & 777-9 • Farewell BA/KL 744s
 
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PepeTheFrog
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Re: Boeing 777X Testing/Production Thread - 2020

Thu Jun 18, 2020 5:33 pm

iamlucky13 wrote:
From memory, I think most new aircraft test programs plan for around 2000-3000 flight test hours.


- 787 logged more than 4000 hours
- A350 logged some 2500 hours

But those were completely new planes. A330neo for example performed just 1500 hours. Now the 777X comes with more upgrades so if I had to make I guess I'd say anything between 1500 and 2000 hours would be a good estimate.

So with just 200 hours on the clock Boeing still has a lot of work to do.
Good moaning!

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