PSP-11 part of KSS (Korean Standard for Ships and Marine Structures, also called Standard for Steel Structures of Ships and Marine Structures) is a standard for ship structures and other marine structures. It is developed and published by the Korea Shipping Association (KSA) and aims to provide guidance for the design and construction of vessels, as well as various marine structures. The standard consists of different parts which provide guidance in different areas, such as safety and stability, material selection and fabrication, design and construction, and operation and maintenance. PSP-11 is part of the standard and is specifically devoted to stability and strength of ships and other seagoing structures. It provides essential information on stability and strength calculations, as well as requirements for materials used in their construction. Furthermore, the standard offers in-depth guidance on the design and construction of various components and details. Finally, it also provides relevant information on the operation and maintenance of vessels and other marine structures.