-15 -10 -5 0 5 10 15

-8

-6

-4

-2

0

2

4

6

8

Mission time

Mission Fuel burn/ Fuel Price

DO

C Pe

rcen

tage

cha

nge

Percentage change

0 0.5 1 1.5 2 2.5 3 3.5 4 4.50

100

200

300

400

500

600

Engi

ne D

olla

rs p

er fl

ight

hou

r (20

10 D

olla

r)

CFM56 7B27 data point ((Aircraft Commerce)Based on the following:FH-3300 , FC-1700 , FH:FC: 1.92 $/FH-222.5 (Engine)

Flight Length (Hours)

Maintenance cost Calculation

Based on charts available from the following NASA reportA Study to Define the Research and Technology Requirements for Advanced Turbo/Propfan Transport Aircrafthttp://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19820010328.pdf

0 0.5 1 1.5 2 2.5 3 3.5 4 4.50

200

400

600

800

1000

1200

1400

1600

1800

CFM56 7B27 data point ((Aircraft Commerce)Based on the following:FH-3300 , FC-1700 , FH:FC: 1.92, $/FH-617 (Airframe)

Airf

ram

e D

olla

rs p

er fl

ight

hou

r (20

10 D

olla

r)

Flight Length (Hours)

CFM56 7B27 data point ((Aircraft Commerce)Based on the following:FH-3300 , FC-1700 , FH:FC: 1.92, $/FH-1062.5 (Airframe+Engine)

Tota

l Dol

lars

per

flig

ht h

our (

2010

Dol

lar)

Flight Length (Hours)

0 0.5 1 1.5 2 2.5 3 3.5 4 4.50

500

1000

1500

2000

2500

3000