直升機飛行教員手冊 Helicopter Flight Instructor Manual
時間：2012-06-08 09:45來源：藍天飛行翻譯 作者：航空 點擊：次
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To view this page ensure that Adobe Flash Player version 9.0.124 or greater is installed. Lower the collective gently until the upslope skid contacts the ground. Continue lowering the collective, at the same time moving the cyclic gently towards the slope, to prevent lateral movement of the helicopter. When both skids are in full contact with the ground, smoothly lower the collective until it is fully down. Prevent yaw throughout. Carry out a security check by making small gentle movements of the collective and pedals. When you are certain the helicopter will not slide, centre the cyclic and reduce RPM, if required. Point out the need for smooth and accurate control movements and for not overcontrolling. Explain that with one side of the landing gear in contact with the ground it is possible to induce a rate of roll that is impossible to counteract with opposite cyclic. Describe the signs that tell you cyclic control limits are being reached because of excessive slope. Explain that when they start to occur, or if the helicopter starts to slide, the helicopter should be brought smoothly back to the hover and landed elsewhere. Point out the importance of maintaining flying RPM until the collective is fully down and security checks are complete. Take-off Describe how to take off from sloping ground, as follows: Ensure that the RPM is at the take-off setting. Raise the collective gently and ease the cyclic into the slope, keeping the helicopter level so that it breaks contact with the ground vertically. Stress the vital importance of avoiding any excessive lateral movement. Prevent yaw throughout. Operational considerations Point out the dangers of turning rotor blades to persons in the close vicinity of the helicopter in this type of operation, and in particular, to embarking and disembarking passengers. Explain that it is the pilot’s duty to brief passengers and ground crew in this regard, whenever possible. Review the dangers of dynamic rollover and the need to ensure before take-off that the helicopter is within |
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