摘要: A specialized electronic calculator for providing to helicopter pilots an immediate computation and readout of the helicopter's hover performance capability. The invention provides helicopter pilots with the power available and th... 展开 A specialized electronic calculator for providing to helicopter pilots an immediate computation and readout of the helicopter's hover performance capability. The invention provides helicopter pilots with the power available and the maximum gross weight which the helicopter is able to hover simply by keying into the calculator the outside air temperature and the pressure altitude. (Author) 收起