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

Correct Answer: Option A — Vessel trawling

Under Inland Navigation Rules, for the condition where 'What type of vessel or operation is indicated by a vessel showing two cones with the apexes together', the correct requirement is: 'Vessel trawling'. This standard ensures clear navigational intent and collision avoidance.