The "MTM Potomac" is a 180 meter tanker, without a thruster and a fixed pitch, right handed propeller (like most).
This particular maneuver consisted of backing her about a ship´s length, then swinging to port with the help of 2 ASD tugs.
Improvements to pilots’ situation awareness (SA) in maritime navigation are critical to reducing human errors, which have caused 75% to 96% of marine accidents over the last few years.