(41CV) Planning Fuel-Conservative Descents

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An extract from Planning Fuel Conservative Descents in an Airline Environment Using a Small Programmable Calculator, NASA, Scientific & Technical Information Branch, Technical Paper 2393, May-1985 (84 pgs.)

Summary
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An investigation into the feasibility of using the open-loop guidance in an airline operational environment was conducted. The algorithm was programmed on a small programmable calculator for use with … A version of the flight-management descent algorithm was implemented on a Hewlett-Packard HP-41CV programmable calculator. Open-loop guidance was provided by the calculator … This report contains a description of the programmable calculator software, the … performance model used in the algorithm computations, and the results of the model-validation and pilot-evaluation flight tests.
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Appendix A--Program Flow Chart
Appendix B--Calculator Program

Descriptions, explanations, diagrams, equations, tables, illustrations, figures, flowcharts, listings etc.; thoroughly documented!

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