United States Coast Guard Captains License Practice Exam

What do "Inland Waters" include according to the Inland Navigation Rules?

1. The western rivers

2. The Great Lakes of the United States side of the international boundary

3. Harbors and rivers shoreward of the COLREGS demarcation lines

4. All of the above

The correct answer is: All of the above

The term "Inland Waters" under the Inland Navigation Rules encompasses a variety of specific bodies of water. Each of the mentioned categories contributes to this definition. The western rivers are significant navigable waterways that have specific rules and regulations due to their unique characteristics. These rivers demonstrate the importance of having navigation rules tailored to different types of water bodies. The Great Lakes, particularly the portion on the United States side of the international boundary, are a key component of inland navigation. This area is heavily trafficked by commercial and recreational vessels, necessitating specific navigation rules to ensure safety and order. Harbors and rivers that are shoreward of the COLREGS (International Regulations for Preventing Collisions at Sea) demarcation lines are also included in the definition of inland waters. These demarcation lines indicate where the Inland Navigation Rules apply as opposed to the international rules, which apply further out to sea. By incorporating all of these areas, the definition of "Inland Waters" ensures that there is a comprehensive set of navigational rules that caters to the unique environments and challenges presented by each type of waterway, enabling safe navigation across the diverse navigable waters of the United States. This holistic approach enhances the safety and integrity of marine operations within these important