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PH.V.A.R1

Risk management

Selection of takeoff path based on helicopter performance and limitations, available distance, and wind.

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From the FAA library

  • Chapter 11: Aircraft Performance › Takeoff and Landing Performance › Takeoff Performance

    Figure 11-19 illustrates the general effect of wind by the percent change in takeoff or landing distance as a function of the ratio of wind velocity to takeoff or landing speed. The effect of proper takeoff speed is especially ... important when runway lengths and takeoff distances are critical. The takeoff speeds specified in the AFM/POH are generally the minimum safe speeds at which the aircraft can become airborne. Any attempt to take off below the recommended speed means that…

  • Chapter 7: Helicopter Performance › Sample Hover Problem 3 › Climb Performance

    then move left to 5-foot skid height. Drop down to read 66 percent torque required to hover. Climb Performance Figure 7-6. Torque required for cruise or level flight. Most of the factors affecting hover and takeoff performance also ... affect climb performance. In addition, turbulent air, pilot techniques, and overall condition of the helicopter can cause climb performance to vary. A helicopter flown at the best rate-of-climb speed (VY) obtains the greatest gain in altitude over…

  • Chapter 11: Aircraft Performance › Takeoff and Landing Performance

    Takeoff and Landing Performance The majority of pilot-caused aircraft accidents occur during the takeoff and landing phase of flight. Because of this fact, the pilot must be familiar with all the variables that influence the takeoff and landing performance ... aircraft and must strive for exacting, professional procedures of operation during these phases of flight. Takeoff and landing performance is a condition of accelerated and decelerated motion. For instance, during takeoff an aircraft starts at zero speed and accelerates…

  • Chapter 6: Takeoffs and Departure Climbs › Short-Field Takeoff and Maximum Performance Climb

    should reduce AOA to attain normal airspeed before attempting to fly out of the ground effect areas. Short-Field Takeoff and Maximum Performance Climb When performing takeoffs and climbs from fields where the takeoff area is short or the available ... takeoff area is restricted by obstructions, the pilot should operate the airplane at the maximum limit of its takeoff performance capabilities. To depart from such an area safely, the pilot needs to exercise positive and precise control of airplane attitude…