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  • Chapter 11: Helicopter Emergencies and Hazards › Autorotation › Technique (How to Practice)

    helicopters with a counterclockwise rotor disk and an antitorque rotor. Technique (How to Practice) To practice hovering autorotation, establish a normal hovering height (approximately 2–3 feet) for the particular helicopter being used, considering load and atmospheric conditions. Keep…

  • Chapter 11: Helicopter Emergencies and Hazards › Autorotation

    particular helicopter, refer to the Rotorcraft Flight Manual (RFM). The specific airspeed and rotor rpm for autorotation is established for each type of helicopter based on average weather, calm wind conditions, and normal loading. When the helicopter is operated with ... density altitude or gusty wind conditions, best performance is achieved from a slightly increased airspeed in the descent. For autorotation at low density altitude and light loading, best performance is achieved from a slight decrease in normal airspeed. Following this…

  • Chapter 6: Weight and Balance › Weight › Weight Limitations

    below the minimum weight of the helicopter, additional weight also improves autorotational characteristics since the autorotational descent can be established sooner. In addition, operating below minimum weight could prevent achieving the desirable rotor revolutions per minute (rpm) during autorotations…

  • Chapter 11: Helicopter Emergencies and Hazards › Common Errors › Autorotation with Turns

    rotor rpm, airspeed, and verify that the helicopter is in trim (centered trim ball). After the descent and autorotation airspeed is established, the pilot initiates the 180-degree turn. For training operations, initially roll into a bank of at least ... cause undesirable rotor rpm excursions. Pitot-static airspeed indications may be unreliable or lag during an autorotational turn. The pilot should exercise caution to avoid using excessive aircraft pitch attitudes and to avoid chasing airspeed indications in an autorotational turn…

  • Chapter 13: Effective Aeronautical Decision-Making › Risk Management › Assessing Risk

    data suggest that for the first 500 hours, pilots flying visual flight rules (VFR) at night should establish higher personal limitations than are required by the regulations and, if applicable, apply instrument flying skills in this environment. Individuals training ... malfunction, failure to immediately lower the collective results in rotor decay and failed autorotation. Fixed wing pilots may have slightly more time to react and establish a controllable descent. According to the General Aviation (GA) Joint Steering Committee, the leading…