Great Lakes St. Lawrence Seaway System Remote / Digital Service
Draft Information System (DIS)
System with required electronic charts and an implementation specification for Seaway draft information.
Description
The Draft Information System page provides the documents and charts that vessels need for Seaway draft information.
Key features
- DIS Confirmation Checklist for the initial transit of the season
- Lists of required electronic and high-resolution charts
- DIS Implementation Specification
Applications
Vessel operators and agents confirming draft information requirements before transiting.
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