Using Routing Points

Short Description

Routing points are specific locations that a vessel pass through when en routeTherefore, the number of routing points and a high level of detail is vital to the accuracy of a calculation. By default, the DDT schedules the shortest viable route. To change a route, routing points can be inserted and the sailing route will re-route via the inserted routing point, for example, instead of sailing through the Suez Canal, the route is changed to sail around Cape Good Hope/Cape Agulhas.

Each routing point is defined by a unique code and name. Only the routing point code can be used when entering a routing point into a calculation.

Long Description

To Search for/Add a Routing Point/Port

  1. Routing point searches can be performed in two ways, either in the search field or by using a map.
  2. Click - if applicable - the Show Ports box to show all routing points/ports on the map.



  3. Locate the applicable routing point on the map.
  4. Click on or hover over (with the cursor) applicable routing point symbol .
  5. An information pop-up opens providing routing point/port name and/or code and details.
  6. Enter the routing point name or code in the search field to the right.
  7. A drop-down list of ports will display.
  8. From the list either
    1. click applicable routing point/port or
    2. when the routing point/port is at the top of the list press the Tab key - the routing point/port name will display in full in the search field or
    3. use the down-arrow to select applicable routing point/port - it will highlight.
  9. Click Add or press Enter. The routing point/port is added to the route.
    Note: If applicable drag the newly added routing point to the correct place in the list of routing points/ports. 
  10. Ensure the route is updated accordingly  by verifying the sailing route.


The Dataloy Distance Table also has several routing points for directing a sailing route outside piracy/war risk and ECA areas:


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