Question 22 OSV02 - Mate - Offshore Supply Vessels

The Correct Answer is A **Explanation for Option A (Correct):** A Traffic Separation Zone (TSZ) is a fundamental component of a Traffic Separation Scheme (TSS). Its primary purpose, as defined internationally (under COLREGs, Rule 10), is to serve as a separation area or line between lanes where vessel traffic proceeds in opposing directions. This is crucial for safety, reducing the risk of head-on collisions, and maintaining an orderly flow of traffic within busy navigational areas, applicable to both international and inland rules where a TSS is established. **Explanation for Incorrect Options:** * **B) is located between the scheme and the nearest land:** This area is typically defined as the **Inshore Traffic Zone (ITZ)**. While it is part of the overall surrounding area of a TSS, it is not the Traffic Separation Zone itself. * **C) is designated as an anchorage area:** Anchorage areas are specifically designated zones for vessels to drop anchor. While they may exist near or adjacent to a TSS, the TSZ is explicitly designated for separating traffic, not for anchoring (anchoring is generally prohibited within the zone). * **D) contains all the traffic moving in the same direction:** The lanes flanking the Traffic Separation Zone—known as **traffic lanes** or **traffic separation lanes**—are the areas that contain all traffic moving in the same direction. The TSZ is the space *between* these lanes.