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 |
|
