This movie is an introduction and explains the dynamic and typical motion elements when steering the ship moving ahead or astern. The effect of the position of applied control forces seen in the direction of motion is demonstrated
The NTSB determined that the probable cause of the contact of the Miss Mollye D tow with the Route 182 bridge was a loss of control of the tow by the pilot at the helm of the towing vessel, likely due to impairment by factors such as fatigue or drug use.