...
A route in the VMS is defined by a unique code, name and description and is often fixed on an area. A route year can be defined as routes, whilst retaining the same name, can that can vary year from year. Vessel type can also be entered to indicate the type of vessel used for a specific route. A route consists of long- and/or short distance routings/segments (or legs). Each route can hold different routing alternatives for each leg and/or a series of different legs, sequenced one after the other. A leg can also hold a default operator. Voyages based on the leg will then automatically have the operator stated as default leg operator.
...