Required tug power and number of tugs needed in variable conditions of wind, current and waves isin most cases an assessment made by pilots based on their professional experience. However, assessments will raise questions by lawyers if something goes wrong. They will use tools to calculate what really is needed with respect to tug power and number of tugs. They have furthermore the advantage of time.
Between 2005 and 2018, the TSB received reports of 26 girding situations resulting in 21 capsizings. Girding occurs when a vessel is pulled broadside by a towline force and is unable to manoeuver out of this position. The TSB created this video to illustrate the factors leading to girding and the recovery methods.
The TSB would like to thank Ledcor Resources and Transportation Inc. for use of simulator training images in the girding video. We would also like to acknowledge the U.S....
