OPERATION
NautoPilot 5000 Series
24
4002.DOC010102
Edition: September 2014
Figure 10 below shows the principle of Track Control with adjusted data from a track
planning system.
Figure 10: Principle of Track Control
Track section
FROM--WPT
TO--WPT
NEXT--WPT
WOL
WOL
current
ship’s position
WPT
Waypoint
Track Section
A track section is the route between two WPT.
TO--WPT
Waypoint to be steered for. The WPT is considered as a
”TO--WPT” as long as the associated track change manoeuvre is
not terminated and the new track section has not been reached.
FROM--WPT
”FROM--WPT” is the previous waypoint.
NEXT--WPT
”NEXT--WPT” is the waypoint following ”TO--WPT”.
WOL
Wheel--over--line. The line of the track where the
planned track change manoeuvre is intended to start.
Approach--Time
The approach time is the time before the WOL when the
approach message is indicated on the NautoPilot Operator Unit.
ECDIS
E
lectronic
C
hart
D
isplay and
I
nformation
S
ystem: Track planning
system; system for planning the track and for the input
of the WPTs.
Control Parameters
Rate of Turn (R.o.T.)