~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,...
This video shows an introduction on the Spiral-Test-Manoeuvre and describes the procedure how to steer through this manoeuvre and measure the data needed. The results will be displayed in a characteristic diagram allowing to identify stable and unstable conditions and related, detailed information, e.g. spiral loop width and height, rudder angle of neutral effect. Samples of stable and unstable ship behaviour demonstrations will be shown by Fast Time Simulation using the SAMMON Planning tool.