Question 26 GLI01 - Master-Unlimited Tonnage

The Correct Answer is D **Why Option D is Correct:** Option D is correct because it reflects a specific exemption found within the Inland Navigation Rules, particularly relating to lighting requirements for certain smaller vessels operating on the Great Lakes (Inland Rules, Annex V/Rule 23(c)(i)). * **Inland Rule 23(c)(i):** This rule states that a power-driven vessel of less than 12 meters in length operating on the Great Lakes may carry an **all-round white light** and sidelights instead of the typical arrangement (forward masthead light, second masthead light, sidelights, and stern light). In this configuration, the single all-round white light effectively serves the purpose of both the stern light and the second masthead light (if required). **Why Options A, B, and C are Incorrect:** **A) Great Lakes vessels are exempted from the requirement to show yellow towing lights.** * **Incorrect.** The requirement for yellow towing lights (placed above the stern light or the second masthead light) applies to all towing vessels under both International and Inland Rules, including those on the Great Lakes. They are not exempted from this requirement when engaged in towing operations. **B) Sidelights for vessels over 50 meters are required to have only a two-mile range of visibility.** * **Incorrect.** According to Annex I of the Inland Rules (Positioning and Technical Details of Lights and Shapes), sidelights on vessels of **50 meters or more** in length must have a minimum intensity that results in a range of visibility of **3 miles**, not 2 miles. A 2-mile range is only acceptable for sidelights on vessels between 12 meters and 50 meters in length. **C) The showing of a forward masthead light is optional for vessels under 150 meters.** * **Incorrect.** The forward masthead light is a mandatory requirement for all power-driven vessels when underway, except for the smallest vessels (under 12 meters, as detailed in Rule 23(c)). There is no rule making the forward masthead light optional based on a length cutoff of 150 meters. Vessels must show a forward masthead light unless specifically exempted due to size.