7-3 Wind steering mode

The autopilot has three ways of steering the boat, compass, GPS and wind. To select an appropriate mode, see section 3-7. In wind mode, the autopilot steers the boat to a set angle to the wind, called SWA (set wind angle).

7-3-1 Wind steering data

Course error, 10° to starboard

Boat heading

Wind angle, can be APP (apparent) or TRUE

CTS (intended autopilot course, to achieve the SWA [set wind angle])

SWA (set wind angle), 45°

Wind

APP

Apparent wind

The apparent wind angle at the boat. P in front of the angle means the wind is from port, S means that the wind is

 

angle

from starboard.

 

 

 

CTS

Course to steer

The course to steer to maintain the SWA (set wind angle).

 

 

 

 

Course error

The difference between APP (wind angle) and SWA (set wind angle).

 

 

 

SWA

Set wind angle

The desired wind angle.

 

 

 

TRUE

True wind angle

The true wind angle at the boat. P in front of the angle means the wind is from port, S means that the wind is

 

 

from starboard.

 

 

 

36

Northstar NS3300 Pilot

 

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Image 36
NorthStar Navigation NS3300 manual Wind steering mode, Wind steering data

NS3300 specifications

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