Assessment of Wingtip Modifications to Increase the Fuel Efficiency of Air Force Aircraft (2007)
Chapter: Appendix A Data Used in Net Present Value Analyses
Appendix A
Data Used in Net Present Value Analyses
The data values used in the net present value analyses discussed in Chapter 4 are shown in Tables A-1 and A-2.
TABLE A-1 KC-10 Data
|
Average individual aircraft flight hours per year |
783 |
|
|
Average fuel consumption of an individual aircraft (lb/hr) |
17,600 |
|
|
Weight of fuel (lb/gal) |
6.7 |
|
|
Number of aircraft in inventory in 2007 |
59 |
|
|
Number of aircraft retired from inventory at start of year |
|
|
|
2028 |
6 |
|
|
2029 |
6 |
|
|
2030 |
6 |
|
|
2031 |
6 |
|
|
2032 |
6 |
|
|
2033 |
6 |
|
|
2034 |
6 |
|
|
2035 |
6 |
|
|
2036 |
6 |
|
|
2037 |
5 |
|
TABLE A-2 KC-135R/T Data
|
Average individual aircraft flight hours per year (hr/yr) |
425 |
|
|
Average fuel consumption of an individual aircraft (lb/hr) |
10,224.2 |
|
|
Weight of fuel (lb/gal) |
6.7 |
|
|
Number of aircraft in inventory in 2007 |
417 |
|
|
Number of aircraft retired from inventory at start of year |
|
|
|
2018 |
16 |
|
|
2019 |
17 |
|
|
2020 |
17 |
|
|
2021 |
16 |
|
|
2022 |
17 |
|
|
2023 |
17 |
|
|
2024 |
16 |
|
|
2025 |
17 |
|
|
2026 |
17 |
|
|
2027 |
16 |
|
|
2028 |
17 |
|
|
2029 |
17 |
|
|
2030 |
16 |
|
|
2031 |
17 |
|
|
2032 |
17 |
|
|
2033 |
16 |
|
|
2034 |
17 |
|
|
2035 |
17 |
|
|
2036 |
16 |
|
|
2037 |
17 |
|
|
2038 |
17 |
|
|
2039 |
16 |
|
|
2040 |
17 |
|
|
2041 |
17 |
|
|
2042 |
17 |
|
