By application of optimal control theory to an experimentally verified dynamic mathematical performance model, a simple, near-optimal takeoff control technique has been developed for heavily loaded helicopters operating from a confined area. This paper places primary emphasis on understanding the physical tradeoffs and implications involved. Two significant results are presented: 1) a two-segment, near-optimal takeoff control technique for heavily loaded helicopters exiting from a confined area, and 2) a means of estimating, from hover performance, the distance required to clear an obstacle in the departure path.