~hours of darkness~
BRO DELIVERER (146m x 22m)
08 July 2020
All working vessels on the River Mersey gathered in front of the Three Graces – Liver Building, Cunard Building and the Port of Liverpool Building. The formation included pilot launch boats, RNLI Lifeboats, river tugs, Mersey Ferries and the Disney Magic cruise liner. They all blew their whistles in tribute to The Sovereign, who passed away last week. River tugs will perform Fleur De Lis – spraying water from their fire cannons. Vessels currently within Liverpool and Wirral dock systems,...
A handy and simple tool to determine in a minimum time what is really needed as tug assistance, is the Bollard Pull Calculator which calculates in an approximate way the total required tug power for ships in various conditions of wind and current. This tool can be loaded as an app on the smart phone.