Wind Steering Mode - NorthStar EXPLORER AP380 Installation And Operation Manual

7-3 Wind steering mode

The AP380 has three ways of steering the boat, compass, GPS and wind. To select an appropriate mode,
see section 3-7. In wind mode, the AP380 steers the boat to a set angle to the wind, called SWA (set wind
angle).
7-3-1 Wind steering data
Boat heading
Wind angle
can be APP (apparent) or TRUE
APP Apparent wind angle The apparent wind angle at the boat. P in front of the angle means the
CTS Course to steer
Course error
SWA Set wind angle
TRUE True wind angle
66
SWA (set wind angle), 41°
wind is from port, S means that the wind is from starboard.
The course to steer to maintain the SWA (set wind angle).
The difference between APP (wind angle) and SWA (set wind angle).
The desired 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.
Northstar Explorer AP380 System Installation and Operation Manual
Course error
CTS (intended AP380 course, to achieve the SWA
[set wind angle])
Wind