1. 1) Study Group for the Future Air Traffic Systems: Long Term Vision for the Future Air Traffic Systems, CARATS, Collaborative Actions for Renovation of Air Traffic Systems, http://www.mlit.go.jp/common/000128185.pdf, 2010.
2. 2) Bellman R. E.: Dynamic Programming, Princeton University Press, Princeton, 1957.
3. 3) Miyazawa, Y. and Wickramasinghe, N. K.: A Study on Benefits of Free Flight, Proceedings of the 49th Aircraft Symposium, JSASS, Kanazawa, 2011, pp. 346-352, in Japanese.
4. 4) Miyazawa, Y., Wickramasinghe, N. K., Harada, A. and Miyamoto, Y.: Passenger Aircraft Optimal Trajectory with an Arrival Time Constraint, Aerospace Technology Japan JSASS, 12(2013), pp.31-38, in Japanese.
5. 5) Miyamoto, Y., Wickramasinghe, N. K., Harada, A. and Miyazawa, Y.: Computational Time Reduction for Dynamic Programming Trajectory Optimization Applied to Passenger Aircraft, Proceedings of the JSASS Western Branch Conference, 2012.