Raymarine autopilot - Manual (Page 31)

18 ST6001+ Autopilot Control Unit - Owner’s Handbook
3
Adv
an
ced
Ope
ration
Tidal stream compensation
Under most conditions, the autopilot will hold the selected track to
within ±0.05 nm (300 ft) or better. The autopilot takes account of the
boat’s speed when computing course changes to ensure optimum
performance over a wide range of boat speeds.
Waypoint 1
Waypoint 2
Cross track error (XTE)
more than 0.3 nm
D5415-1
Planned route
Actual route
D3261-2
Waypoint 2
Waypoint 1
Tidal component
Boat's speed through w
ater
Boat's speed over ground