直升机飞行教员手册 Helicopter Flight Instructor Manual
时间：2012-06-08 09:45来源：蓝天飞行翻译 作者：航空 点击：次
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To view this page ensure that Adobe Flash Player version 9.0.124 or greater is installed. At the appropriate time above the ground, commence the flare. Level the aircraft and apply collective pitch as required to reduce the rate of descent and cushion the landing. Prevent yaw throughout with the pedals. Describe the post-landing procedures: Ensure that the cyclic is in a neutral or forward position. Avoid moving the cyclic aft during or after touchdown. Lower the collective slowly to the bottom position. Care must be taken if the tail boom is pitching due to forward movement on the ground. Carry out pre-take-off checks. Explain that, where autorotational landings are considered unsafe in light of the aircraft’s performance characteristics, the wind conditions, or the density altitude conditions, power terminations to the hover or hover-taxi may be used to provide continuation in autorotation practice. Stress that power terminations are not a substitute for autorotational landings. Autorotational landings must be practised to the extent that the student is competent to survive an emergency when flying solo. Describe the technique for carrying out a power terminationto the hover or hover-taxi, as appropriate to type and local conditions: Ensure that a safe landing area is within autorotational range. Enter autorotation and select the airspeed for minimum rate of descent. Ensure that the rotor RPM is in the correct range. At a safe height, adjust RPM as appropriate. At the appropriate height, flare. At the appropriate height, level the aircraft. Apply power to stop sink and establish a hover or hover-taxi; and prevent yaw and drift.
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