| Minimize | Total operating cost (TOC) |
| (at a defined payload-range combination) | |
| With respect to | wing shape variables |
| (design variables) | engine thrust |
| Subject to | aircraft performance constraints |
| Minimize | Total operating cost (TOC) |
| (at a defined payload-range combination) | |
| With respect to | wing shape variables |
| (design variables) | engine thrust |
| Subject to | aircraft performance constraints |