DNV DNVGL-RU-SHIPS PART 4 CHAPTER 10 PDF

Introduction

Application 

The rules in this section apply to electro hydraulic and hand hydraulic steering gear operating a rudder for the purpose of steering the vessel. 

Steering gear, other than electro hydraulic type, will be accepted provided that safety and reliability can be documented to be equivalent to or better than the requirements of this section.

Requirements for rudders are given in Pt.3 Ch.14 and in Rules for Classification of High speed, light craft and naval surface craft HSLC Pt.3 Ch.5 1.

Requirements to steering of podded and geared thrusters are given in Ch.5 Sec.3. Requirements to steering of water jets are given in Ch.5 Sec.2. 

For additional requirements for vessel navigation in ice (Ice, PC) see Pt.6 Ch.6 and for Ice breaker see Pt.5 Ch.10 Sec.10. For additional requirements for Naval and Naval support vessels see Pt.5 Ch.13. For additional requirements to vessels with additional notation Redundant propulsion (RP(1, x), RP(2, x), RP(3, x)) see Pt.6 Ch.2 Sec.7. For additional requirements to vessels with additional notation Dynamic positioning systems (DYNPOS and DPS) see Pt.6 Ch.3 Sec.1 and Pt.6 Ch.3 Sec.2.