4.8 Editing Routes ..................................................................................... 79
4.11 Port Services ....................................................................................... 91
4.12 Tides .................................................................................................. 92
Glossary...........................................................................................93
Index .........................................................................................97
What is a Route? .................................................................................. 72
Building a Route ................................................................................... 72
Following a Route .............................................................................. 76
Reversing a Route ................................................................................ 80
Erasing a Route ................................................................................... 86
Relative Motion .................................................................................... 89
Hiding a Route ..................................................................................... 90
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