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2. Apparent wind - Wikipedia

   en.wikipedia.org/wiki/Apparent_wind

   In sailing, apparent wind is the speed and direction of wind indicated by a wind instrument on a moving craft (on water, land or ice) in undisturbed air. It is composed of the combined speeds and directions of the craft and wind observed by a stationary wind instrument—the true wind. A true wind coming from the bow increases the apparent wind ...

3. Wind triangle - Wikipedia

   en.wikipedia.org/wiki/Wind_triangle

   In a vector diagram such as the wind triangle, wind direction must be stated as the direction the wind is blowing to, or 180 degrees different from the convention. The ground vector represents the motion of the aircraft over the ground. It is described by ground track and ground speed. The ground vector is the resultant of algebraically adding ...

4. Stowe Marine - Wikipedia

   en.wikipedia.org/wiki/Stowe_Marine

   Data that is collected may include apparent wind speed, apparent wind angle, boat speed, heading, position (Latitude/Longitude) and depth. By combining and analysing these inputs a Stowe system can calculate and display in real time information such as true wind speed, true wind direction, course over ground, velocity made good ( VMG ), time ...

5. E6B - Wikipedia

   en.wikipedia.org/wiki/E6B

   The true ground speed is determined by matching the center hole to the speed portion of the grid. The mathematical formulas that equate to the results of the flight computer wind calculator are as follows: (desired course is d, ground speed is V g, heading is a, true airspeed is V a, wind direction is w, wind speed is V w. d, a and w are angles.

6. B&G - Wikipedia

   en.wikipedia.org/wiki/B&G

   Data that is collected may include apparent wind speed, apparent wind angle, boat speed, heading, position (Latitude/Longitude) and depth. By combining and analysing these inputs a B&G system can calculate and display in real time information such as true wind speed, true wind direction, course over ground, Velocity made good , time and ...

7. Maneuvering board - Wikipedia

   en.wikipedia.org/wiki/Maneuvering_board

   Ships can use maneuvering boards to estimate true wind speed and direction from course, speed, and observed wind speed and direction. When true wind is known, the maneuvering board can be used to determine the required ship course and speed for a desired relative wind to launch or recover aircraft. Ships most frequently used maneuvering boards ...

8. Heading (navigation) - Wikipedia

   en.wikipedia.org/wiki/Heading_(navigation)

   The difference is known as the drift, and can be determined by the wind triangle. At least seven ways to measure the heading of a vehicle have been described. [1] Heading is typically based on cardinal directions, so 0° (or 360°) indicates a direction toward true north, 90° true east, 180° true south, and 270° true west. [1]

9. Forces on sails - Wikipedia

   en.wikipedia.org/wiki/Forces_on_sails

   The direction that the craft is traveling with respect to the "true wind" (the wind direction and speed over the surface) is called the point of sail. The speed of the craft at a given point of sail contributes to the "apparent wind"—the wind speed and direction as measured on the moving