Furuno FEA-2107-BB - Expected Steering Performance for Turns

29. Steering With YOKOGAWA Autopilot PT-500A
29-13
29.7.2 Expected steering performance for turns
Environment conditions Heading control Track
Calm sea, no wind, no current There is no position control of
turn. Turn is controlled by
rudder angle limit.
Drift compensation set as ON or OFF:
vessel follows monitored route
Moderate wind and/or current There is no position control of
turn. Turn is controlled by
rudder angle limit.
Drift compensation set as ON:
vessel follows monitored route, but may
need full channel limit area
Drift compensation set as OFF:
Vessel goes inside or outside of turn
High wind and/or current There is no position control of
turn. Turn is controlled by
rudder angle limit.
Drift compensation set as ON:
Vessel follows monitored route, but may
go outside channel limit area.
Drift compensation set as OFF:
Vessel goes fast inside or outside of turn.
Slow change of wind and/or
current
There is no position control of
turn. Turn is controlled by
rudder angle limit.
Drift compensation set as ON or OFF:
Vessel goes inside or outside of turn.
Sudden change of wind and/or
current
(For example sudden change
from no current to 5 kt current
perpendicular to track)
There is no position control of
turn. Turn is controlled by
rudder angle limit.
Drift compensation set as ON or OFF:
Vessel goes fast inside or outside of turn.
Slow change of speed There is no position control of
turn. Turn is controlled by
rudder angle limit.
Drift compensation set as ON or OFF:
Vessel follows monitored route, but may
need full channel limit area.
Fast change of speed
(For example speed decrease
from 20 to 7 kt)
There is no position control of
turn. Turn is controlled by
rudder angle limit.
Drift compensation set as ON or OFF:
Vessel goes inside or outside of turn.
NOTE; Drift Compensation is set ON/OFF in Ship and Route Parameters of Navigation Parameters setting. For
more information, see section 25.1.4 Navigation parameters setting.