In August 2018, the container ship, ANL Wyong, and the gas carrier, King Arthur, collided in darkness, dense fog and an area of heavy shipping traffic, off Gibraltar. The UK MAIB issued an investigation report on the incident, noting that neither vessel appreciated the risk of collision in sufficient time to take effective avoiding action and pass at a safe distance. The investigation has also highlighted risks associated with the inappropriate use of VHF radio and AIS data when assessing risk...