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777-8x + 9x with specs


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#1
Airlinee

Airlinee

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Specs: (from official Boeing Website)

 

Variant                                                       777-8x               777-9x

Price:                                                         $410.2 M           $442.2 M

Seats (two-class):                                     384                    426

Seats (one-class calculated*):                  392                    480

Range:                                                      8,730 nmi          7,285 nmi

 

 

https://www.boeing.c...ommercial/777x/

 

 

*Calculations assume Business©-Economy(Y) configuration. Optimal two class arrangement:

Max Certified / 9 = C. C times 7 = Y. 

 

Y = 7C           C=business Y=economy                Max certified / 9 = C

 

777-8x: 384 = Y + C        348 = 7C + C       348 = 8C     43.5 = C       43.5 x 9 = 391.5    Max certified = 392

 

777-9x: 426 = Y + C     426 = 7C + C       426 = 8C     53.25 = C     53.25 x 9 = 479.25  Max certified: 480. 



#2
DeltaIVSSBN

DeltaIVSSBN

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I believe they also need fuel flow and runway data






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