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  • Chapter 14: Airport Operations › Wind Direction Indicators

    Wind Direction Indicators It is important for a pilot to know the direction of the wind. At facilities with an operating control tower, this information is provided by ATC. Information may also be provided ... receive and broadcast on this frequency. When none of these services is available, it is possible to determine wind direction and runway in use by visual wind indicators. A pilot should check these wind indicators even…

  • Glossary › Pilot’s Operating Handbook/Airplane Flight Manual

    system (DGPS) that improves the accuracy of the system by determining position error from the GPS satellites, then transmitting the error, or corrective factors, to the airborne GPS receiver. Wind correction angle (WCA). The angle between the desired track ... keep the aircraft tracking over the desired track. Wind direction indicators. Indicators that include a wind sock, wind tee, or tetrahedron. Visual reference will determine wind direction and runway in use. Zone of confusion…

  • Chapter 6. Emergency Procedures › Section 3. Distress and Urgency Procedures › 6-3-3. Ditching Procedures

    Knowing this, and by observing the direction of the streaks, the wind direction is easily determined. Wind velocity can be estimated by noting the appearance of the whitecaps, foam and wind streaks. 1. The behavior…

  • Chapter 10. Helicopter Operations › Section 2. Special Operations › 10-2-3. Landing Zone Safety

    referred to as the “high reconnaissance” maneuver. f. Wind Direction and Touchdown Area 1. Determine from which direction the wind is blowing. Helicopters normally land and takeoff into the wind. 2. If contact…

  • Chapter 4. Air Traffic Control › Section 3. Airport Operations › 4-3-3. Traffic Patterns

    degrees. Figure 4-3-4 is an example of a chart used to determine the headwind, crosswind, and tailwind components based on wind direction and velocity relative to the runway. Pilots should refer to similar information provided…

  • Chapter 4. Air Traffic Control › Section 3. Airport Operations › 4-3-17. VFR Helicopter Operations at Controlled Airports

    intended method of departing. A pilot request to takeoff in a given direction indicates that the pilot is willing to accept the wind condition and controllers will honor the request if traffic permits. Departure points could ... significant distance from the control tower and it may be difficult or impossible for the controller to determine the helicopter’s relative position to the wind…