Submarine almost collided with ferry after misjudging its speed - report

A nuclear-powered submarine and a ferry were at “serious risk of collision”, an investigation has found.
A nuclear-powered submarine and a ferry were at “serious risk of collision” after safety decisions taken on the Royal Navy vessel were based on inaccurate information, an investigation has found.
The two vessels came within 50-100 metres of each other in the incident on November 6, 2018, a Marine Accident Investigation Branch (MAIB) report found.