Abstract
In the present paper, we applied a new optimization method using a stochastic process to the design of die hang glider. As for this problem, not only the hang glider design but also its flight path are optimized at the same time. The method obtains a solution as an expectation (probability average) using stochastic process. The advantages of this method are not to be affected by initial conditions and not to need techniques based on experience. In this optimization problem, the numerical calculation results show that the method has a sufficient performance.