Video AIS Track by Nolan Dragon - www.MarineTraffic.com What had happened: Container ship APL MEXICO CITY broke off her mooring at Doel, Antwerp, in the afternoon Dec 9, drifted across harbor and contacted DP World pier crane. Crane collapsed and was totally destroyed. No injures reported. Cause of the accident (according to the report from FEBIMA): "The allision of the mv APL MEXICO CITY with a gantry crane at the Port of Antwerp on 9 December 2019 stemmed from exceptional meteorological...
Manoeuvring large ships at close quarters and on shallow water is one of the most difficult aspects of shiphandling because of the complex hydraulic interactions depending on the ships' speeds, on the water depth and on lateral restrictions like in canals. Training is conducted both on meeting and on overtaking ships in shallow waters. This video shows how overtaking in a canal can easily fail.
More information: http://www.portrevel.com/3781-shiphan...
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.