BOTH INTERNATIONAL & INLAND What type of vessel or operation is indicated by showing two cones with the apexes together?

Correct Answer: Option D — Vessel trawling

Rule 26(b)(ii) and Annex I specify that the day shape consisting of two cones with their apexes together in a vertical line is the required signal for a vessel engaged in fishing. This shape is universally recognized to indicate fishing operations, including trawling.