Steering with Yokogawa Autopilot •
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Steering with Yokogawa
Autopilot
Steering modes of the system
Note that all steering related functions are available only if the ECDIS system is also connected to an optional
Yokogawa autopilot processor. With Yokogawa autopilot following steering modes are available:
• Hand steering
• Autopilot steering
• Waypoint mode automatic Route steering
Hand steering
Hand steering modes are:
1. Steering wheel
2. Wing steering control
3. Override tiller
While in hand steering mode the ECDIS system displays the rudder angle and indication of steering mode.
Autopilot steering
• Operator sets the required heading of the vessel
• Control of the turning radius is not available. Turns are controlled by the rudder limit
• Turn is initiated by operator
While in Autopilot steering mode the ECDIS system displays the rudder angle and indication of steering mode. The
Curved EBL is not available because the use of it requires radius controlled turns.
Waypoint mode automatic Route Steering
The ECDIS system will follow the planned track to next waypoint but with a moderate accuracy in order to have
more economic sailing (sailing in ocean areas).
When approaching the next waypoint the system is pre alerting operator well before the turn and just before the turn
a second acknowledge is required.
The ECDIS system performs turns using planned radius.
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