26. AUTOPILOT OPERATIONS
26-31
* The Track Control System can compensate drift up to 45 degrees. If the drift is larger,
your ship may go outside the channel limit.
26.10.2 Expected steering performance for turns
* The Track Control System can compensate drift up to 45 degrees. If the drift is larger,
your ship may go outside the channel limit.
Environmental
conditions
Heading control=
AUTO
Mode
GoAW (FAP-2000/3000)
GoAW+RC(PR-6000)
GoAW+TC (PR-9000)
GoAW+NAVI (PT-500A)
GoAW+NAV (PT-900)
GoAW (FAP-2000/3000)
GoAW+RC(PR-6000)
GoAW+TC (PR-9000)
GoAW+NAVI (PT-500A)
GoAW+NAV (PT-900)
Calm sea, no
wind, no current
Ship does normal
Autopilot turn under
this condition.
Ship follows monitored
route.
Ship follows monitored
route accurately.
Moderate wind
and/or current
Ship does normal
Autopilot turn under
this condition.
Ship follows monitored
route.
Ship follows monitored
route accurately.
High wind and/or
current
Ship does normal
Autopilot turn under
this condition.
1) Ship follows monitored
route, but may go outside
channel limit area.*
2) Ship can have a problem
following monitored route
inside the channel limit.
1) Ship follows monitored
route.*
2) Ship can have a problem
following monitored route
inside the channel limit.
Wind and/or
current changes
slowly.
Ship does normal
Autopilot turn under
this condition.
Ship follows monitored
route.
Ship follows monitored
route accurately.
Sudden change
of wind and/or
current (For ex-
ample sudden
change from no
current to 5 kn
current perpen-
dicular to track)
Ship does normal
Autopilot turn under
this condition.
1) Ship may go outside
channel limit but is “re-
turned” to center of chan-
nel.*
2) Ship can have a problem
following monitored route
inside the channel limit.
1) Ship is kept within chan-
nel limit.*
2) Ship can have a problem
following monitored route
inside the channel limit.
Slow change of
speed
Ship does normal
Autopilot turn under
this condition.
Ship follows monitored
route, but may need full
channel limit area.
Ship follows monitored
route.
Fast change of
speed (For exam-
ple, speed de-
creased from 20
to 7 kn)
Ship does normal
Autopilot turn under
this condition.
Ship follows monitored
route, but may need full
channel limit area.
Ship follows monitored
route, but may need full
channel limit area.