If on the patrol ship ORP “Ślązak” all that was planned in the “Gawron” program were installed additionally, then the combat corvette built in this way would most likely not have acceptable stableness and, in icing and a strong storm, could share the destiny of the Swedish ship “Vasa”. Now it is essential to consider: whether this is the responsibility of the task or the requirements made by the Polish Navy and amendments made later.