Furuno FMD-3300 User Manual

26. AUTOPILOT OPERATIONS
26-30
26.9.2 Collision avoidance maneuver in route steering
Route steering is often interrupted by a collision avoidance maneuver, but there are
also several other reasons to interrupt route steering. There are several possibilities
to set the collision avoidance or any other maneuver:
26.10 Steering Performance
Below is a summary of how different environmental conditions change steering per-
formance.
26.10.1 Expected steering performance for going ahead
• Use the Non-Follow-Up steering lever to directly control rudder pumps.
• Use the Override steering.
• Use the Follow-Up rudder control. (Change mode from NAVI
*1
to HAND.)
• Use the local Autopilot Heading control. (Change mode from NAVI
*1
to AUTO*
2
)
*1
REMOTE CONTROL on FAP-3000, TC on PR-9000
*2
HEADING CONTROL on FAP-3000, HC on PR-9000
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
COG is approx. the
same as Set
Course in Autopilot.
Ship follows monitored
route.
Ship follows monitored
route accurately.
Moderate wind and/
or current
Ship has a tenden-
cy to drift.
Ship follows monitored
route.
Ship follows monitored
route accurately.
High wind and/or
current
Ship is drifting. 1) Ship follows monitored
route but may go outside
channel limit area.*
2) Ship may have a prob-
lem following monitored
route inside the channel
limit, however.
1) Ship follows monitored
route.*
2) Ship can have a prob-
lem following monitored
route inside the channel
limit.
Wind and/or current
changes slowly.
There is no com-
pensation for
change.
Ship follows monitored
route.
Ship follows monitored
route accurately.
Sudden change of
wind and/or current
(For example sud-
den change from no
current to 5 kn cur-
rent perpendicular
to track)
There is no com-
pensation for
change.
1) Ship may go outside
channel limit but is “re-
turned” to center of chan-
nel.*
2) Ship can have a prob-
lem following monitored
route inside the channel
limit.
1) Ship is kept within chan-
nel limit.*
2) Ship can have a prob-
lem following monitored
route inside the channel
limit.
Fast change of
speed (ex: speed
decreased from 20
to 7 kn)
There is no com-
pensation for
change.
Ship follows monitored
route, but may need full
channel limit area.
Ship follows monitored
route, but may need full
channel limit area.

Furuno FMD-3300 Specifications

General

Brand	Furuno
Model	FMD-3300
Category	Marine Equipment
Language	English