swapcv
Topic Author
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Operating Weights of Emirates 777-300ER's

Sun Jun 30, 2019 7:51 pm

Hello All,

I had a query on the operating weights of EK's 77W fleet. I understand that EK has a fleet both 777-31H(ER) as well as 777-36N(ER), hence I was wondering was there any specific difference in the operating weights of the two versions and as well as any difference between the very first 77W, A6-EBA and the last one A6-EQP? My main intention is to focus on the MTOW, ZFW, OEW thanks.


Swapnil Sirdeshpande.
 
mmo
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Re: Operating Weights of Emirates 777-300ER's

Sun Jun 30, 2019 8:51 pm

The 1H is the Boeing customer code for Emirates, while 6N is GECAS. The weights should be the same.
If we weren't all crazy we'd all go insane!
 
LDRA
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Joined: Fri Jan 15, 2016 3:01 am

Re: Operating Weights of Emirates 777-300ER's

Sun Jun 30, 2019 9:25 pm

Late built 77W has significant weight reduction, deleting structure related to tail skid, redo the wiring conduit in attic space etc.
 
trex8
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Re: Operating Weights of Emirates 777-300ER's

Mon Jul 01, 2019 12:00 am

mmo wrote:
The 1H is the Boeing customer code for Emirates, while 6N is GECAS. The weights should be the same.


They may well be and they may well not be. CIs GECAS leased 77Ws have higher MTOW than the ones they ordered directly from Boeing. I suspect GECAS orders the highest weight variants as future lessors may need it, CI for their own direct orders ordered the lowest they needed for their route network to minimize capital acquisition costs.
 
swapcv
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Re: Operating Weights of Emirates 777-300ER's

Mon Jul 01, 2019 5:07 am

trex8 wrote:
mmo wrote:
The 1H is the Boeing customer code for Emirates, while 6N is GECAS. The weights should be the same.


They may well be and they may well not be. CIs GECAS leased 77Ws have higher MTOW than the ones they ordered directly from Boeing. I suspect GECAS orders the highest weight variants as future lessors may need it, CI for their own direct orders ordered the lowest they needed for their route network to minimize capital acquisition costs.


In that case what would the MTOW for these "redux" versions be?
 
mmo
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Re: Operating Weights of Emirates 777-300ER's

Mon Jul 01, 2019 5:54 am

swapcv wrote:

In that case what would the MTOW for these "redux" versions be?


Should be 775,000lbs out of Boeing. Anything less becomes a paper exercise. The comments about late production versions have nothing to do with the MTOW. It will impact OEW weight but there is so much variation in cabin equipment between carriers that becomes very closely held information.
If we weren't all crazy we'd all go insane!
 
swapcv
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Re: Operating Weights of Emirates 777-300ER's

Mon Jul 01, 2019 5:58 am

mmo wrote:
swapcv wrote:

In that case what would the MTOW for these "redux" versions be?


Should be 775,000lbs out of Boeing. Anything less becomes a paper exercise. The comments about late production versions have nothing to do with the MTOW. It will impact OEW weight but there is so much variation in cabin equipment between carriers that becomes very closely held information.
Hmmm, wish this paperwork was Available in public domain, would've helped me plan my flight plans for P3D.

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zeke
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Re: Operating Weights of Emirates 777-300ER's

Mon Jul 01, 2019 11:03 am

For your purposes an OEW of 372500 lb and MZFW of 524000 lb and MTOW of 775000 lb is more than representative.
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emiratesdriver
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Joined: Tue Dec 27, 2016 9:04 pm

Re: Operating Weights of Emirates 777-300ER's

Mon Jul 01, 2019 11:17 am

EK uses KG. MTOW is either 351534kg
Or 340194kg
Typical DOI number 170500kg
MZFW 237600kg
MLW 251290kg

All numbers off the top my head..I havent operated on type for 6 years.
 
BravoOne
Posts: 3356
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Re: Operating Weights of Emirates 777-300ER's

Mon Jul 01, 2019 2:16 pm

mmo wrote:
swapcv wrote:

In that case what would the MTOW for these "redux" versions be?


Should be 775,000lbs out of Boeing. Anything less becomes a paper exercise. The comments about late production versions have nothing to do with the MTOW. It will impact OEW weight but there is so much variation in cabin equipment between carriers that becomes very closely held information.



This information is Proprietary as you might imagine, and as staed above varies from operator to operator. In addition Boeing uses a term, Delivered Operating Weight which can differ from the traditional EOW. Very confusing at times.

Good luck...
 
trex8
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Re: Operating Weights of Emirates 777-300ER's

Mon Jul 01, 2019 8:32 pm

swapcv wrote:
trex8 wrote:
mmo wrote:
The 1H is the Boeing customer code for Emirates, while 6N is GECAS. The weights should be the same.


They may well be and they may well not be. CIs GECAS leased 77Ws have higher MTOW than the ones they ordered directly from Boeing. I suspect GECAS orders the highest weight variants as future lessors may need it, CI for their own direct orders ordered the lowest they needed for their route network to minimize capital acquisition costs.


In that case what would the MTOW for these "redux" versions be?


CI 777-309 . MTOW 340194kg
777-36NR 351533
essentially same as that quoted by Emiratesdriver for EKs two versions
FWIW I have a JP Fleets from 2013 and EK have 3 weight versions (theres also a 349265)
 
swapcv
Topic Author
Posts: 11
Joined: Wed Feb 11, 2015 4:11 pm

Re: Operating Weights of Emirates 777-300ER's

Mon Jul 01, 2019 8:39 pm

trex8 wrote:
swapcv wrote:
trex8 wrote:

They may well be and they may well not be. CIs GECAS leased 77Ws have higher MTOW than the ones they ordered directly from Boeing. I suspect GECAS orders the highest weight variants as future lessors may need it, CI for their own direct orders ordered the lowest they needed for their route network to minimize capital acquisition costs.


In that case what would the MTOW for these "redux" versions be?


CI 777-309 . MTOW 340194kg
777-36NR 351533
essentially same as that quoted by Emiratesdriver for EKs two versions
FWIW I have a JP Fleets from 2013 and EK have 3 weight versions (theres also a 349265)
can you specify to which series does the 349ton version apply to like as in whether it's A6-EGx or A6-EPx etc.

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trex8
Posts: 5309
Joined: Sat Nov 02, 2002 9:04 am

Re: Operating Weights of Emirates 777-300ER's

Mon Jul 01, 2019 10:38 pm

EK 349 MTOW from JP Fleets 13/14

EBY, ECA, , ECG, ECH, ECI, EGD,EGG,EGQ,

oh how I miss JP Fleets!!!
 
emiratesdriver
Posts: 263
Joined: Tue Dec 27, 2016 9:04 pm

Re: Operating Weights of Emirates 777-300ER's

Mon Jul 01, 2019 11:14 pm

A bit more info..

https://imgur.com/me9qNbb
 
m007j
Posts: 103
Joined: Mon Aug 15, 2016 3:05 pm

Re: Operating Weights of Emirates 777-300ER's

Wed Jul 03, 2019 12:16 am

emiratesdriver wrote:
A bit more info..

https://imgur.com/me9qNbb


What's the designation difference denote at the top of the table? (ER vs ULR) Is that just to denote the presence of crew rest?

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