Section 7 Requirements for craft which are not required to comply with the HSC Code
Clasification Society 2024 - Version 9.40
Clasifications Register Rules and Regulations - Rules and Regulations for the Classification of Special Service Craft, July 2022 - Part 12 Propulsion Devices - Chapter 1 Propellers - Section 7 Requirements for craft which are not required to comply with the HSC Code

Section 7 Requirements for craft which are not required to comply with the HSC Code

Parent topic: Chapter 1 Propellers

7.1 Propellers not exceeding one metre in diameter

7.1.1 The materials and the scantlings need not comply with Pt 12, Ch 1, 1 General requirements to Pt 12, Ch 1, 3 Materials inclusive or Pt 12, Ch 1, 4.1 Minimum blade thickness inclusive.

7.1.2 Propellers for service craft less than 24 m and main engine power output not exceeding 500kW are to be manufactured from materials in accordance with the Rules for the Manufacture, Testing and Certification of Materials, July 2022 at a works recognised for the quality of its casting and machining, and be free from defects.

7.1.3 Certificates of construction are not required.

7.1.4 Specific requirements for the piping systems are given in Pt 15 Piping Systems and Pressure Plant.

7.1.5 The alarm and monitoring arrangements, and for controllable pitch propellers, the safety arrangements and standby power sources, will be specially considered, see also Pt 16 Control and Electrical Engineering.

7.2 Alternative materials and design

7.2.1 Propellers made from materials not listed in the Rules for the Manufacture, Testing and Certification of Materials, July 2022 or of unusual form or design will be specially considered.

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