Great Lakes St. Lawrence Seaway System Other service
Seaway Handbook
Seaway Practices and Procedures and Seaway Regulations governing vessels over 300 gross registered tonnes.
Description
The 2026 Seaway Handbook combines SLSMC Seaway Practices and Procedures under the Canada Marine Act with GLS Seaway Regulations under the Saint Lawrence Seaway Act of 1954. All vessels exceeding 300 gross registered tonnes must conform.
Key features
- Ship transit and equipment requirements
- Pre-clearance and transit declaration forms
- Seaway Plans for traffic control sectors
Applications
Reference for vessel operators, masters and agents planning and conducting Seaway transits.
Specifications
| Applies to vessels exceeding | 300 gross registered tonnes |
|---|
More from Great Lakes St. Lawrence Seaway System
Featured services
All services →Engineering & Design
General Dynamics Mission Systems
Littoral Combat Ship (LCS) Mission System Integration
Open-architecture computing infrastructure and whole-ship electronic integration for the U.S. Navy Independence-variant Littoral Combat Ship, plus NSM integration and C5I lifecycle support.
Other service
National Marine Sanctuaries and Maritime Heritage
NOAA's Office of National Marine Sanctuaries manages 13 sanctuaries and two marine national monuments and locates, protects and interprets shipwrecks and maritime heritage.
Rental / Leasing
Contract Charter & Harbor Boat Services
Contract charter of towboats and harbor boat services on the Kanawha and Ohio Rivers.