elevated heliport meaning in English

高楼屋顶直升飞机停机场

This paper studies optimal helicopter flight operations in the event one - engine failure . a three - dimensional point mass with a yawing motion of uh - 60a has been used to study rto and cto from an elevated heliport or from a heliport , a first order dynamic of the oei contingency power is considered . flight after engine failure are formulated as nonlinear optimal control problems
双发及多发直升机单发失效后,直升机飞行所需要的功率由剩余发动机提供,而在某些需要大功率的飞行状态时,如起飞状态、着陆状态等,剩余发动机提供的功率可能满足不了,这就需要对剩余发动机的可用功率进行合理利用。