Question 700 Rules of the Road

The correct answer is D) Trawling. According to the International and Inland Navigation Rules, a vessel engaged in trawling, which is fishing with nets or lines dragged along the seabed, is required to display two cones with their apexes together. This signifies that the vessel is restricted in its ability to maneuver and that other vessels should keep clear. The other answer choices are incorrect because: A) Sailing vessels do not display this signal, B) Minesweeping and C) Dredging operations have different signal requirements.