I think this:
Best way to calculate descent point.
If someone could please give me an example, and how it is solved.
really belongs someplace like here: Professional Pilot Training (includes ground studies) - PPRuNe Forums
Professional Pilot Training (includes ground studies)A forum for those on the steep path to that coveted professional licence. Whether studying for the written exams, training for the flight tests or building experience here's where you can hang out.
.............. But I hope I can cobble together some plan of action before my next flight that requires me to have thousands of kilos moving close to the speed of sound arrive at a specific point in space at a exact time and altitude.............