1. Ship Maneuvering Performance Requirements by IMO

1) Turning circle maneuver 

 

 

 

2) Zigzag (or Z-) maneuver

 

 

 

3) Stopping maneuver 

 

 

 

 

Sources: Hydrodynamics of high-speed marine vehicles by Odd Magnus Faltinsen (2005) and Principles of Naval Architecture, Vol. III, SNAME (1989)