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  • Chapter 5: Aerodynamics of Flight › Load Factors › Vg Diagram

    from a variety of phenomena. The aircraft in flight is limited to a regime of airspeeds and Gs that do not exceed the limit (or redline) speed, do not exceed the limit load factor, and cannot exceed the maximum lift ... lift of the aircraft is obtained. The pilot must appreciate the Vg diagram as describing the allowable combination of airspeeds and load factors for safe operation. Any maneuver, gust, or gust plus maneuver outside the structural envelope can cause structural…

  • Chapter 5: Maintaining Aircraft Control: Upset Prevention and Recovery Training › Slow Flight › Performing the Slow Flight Maneuver

    gear and flaps typically occurs once cruise power has been reduced and at appropriate airspeeds to ensure limitations for extending those devices are not exceeded. Practicing this maneuver in other configurations, such as a clean or takeoff configuration, is also…

  • Chapter 8: Flight Instruments › Electronic Flight Display (EFD) › Airspeed Tape

    range. [Figure 8-12] The number value changes color to red when the airspeed exceeds VNE to warn the pilot of exceeding the maximum speed limitation. Figure 8-12. Primary flight display (PFD). Note that the actual location of indications…

  • Chapter 9: Flight Manuals and Other Documents › Airspeed

    aircraft. [Figure 9-1] A red line on the ASI shows the airspeed limit beyond which structural damage could occur. This is called the never-exceed speed (VNE). A yellow arc indicates the speed range between maximum structural cruising speed…

  • Chapter 8: Flight Instruments › Airspeed Indicator Markings

    weight in the clean configuration (gear up, if retractable, and flaps up). • Upper limit of green arc (VN0)—the maximum structural cruising speed. Do not exceed this speed except in smooth air. • Yellow arc—caution range. Fly within this range ... then only with caution. • Red line (VNE)—never exceed speed. Operating above this speed is prohibited since it may result in damage or structural failure. Other Airspeed Limitations Some important airspeed limitations are not marked on the face…

  • CHAPTER 1. GROUND TRAINING: STALL AND SPIN AWARENESS › 100. STALL/SPIN EFFECTS AND DEFINITIONS › c. Configuration

    white arc (power-off stall speed with gear and flaps in the landing configuration) is less than the lower airspeed limit of the green arc (power-off stall speed in the clean configuration). d. VSO. VSO is the stall speed ... maneuvering speed. Do not use full or abrupt control movements at or above this speed. It is possible to exceed the airplane structural limits at or above VA. Rapid and large alternating control inputs, especially in combination with large changes…