DNV DNV-RU-NAVAL PART 7 CHAPTER 2 PDF

These rules include the fleet in service retention requirements for main class.

For class systematics for fleet in service, including roles and responsibilities and alternative retention schemes, see Ch.1.

Retention requirements for class notations can be found in:

— Ch.3 for vessel type notations

— Ch.4 for additional class notations

— Ch.5 for in-operation class notations.