Section 2 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 13 Shaft Vibration and Alignment - Chapter 4 Shaft Vibration and Alignment - Section 2 Requirements for craft which are not required to comply with the HSC Code

Section 2 Requirements for craft which are not required to comply with the HSC Code

Parent topic: Chapter 4 Shaft Vibration and Alignment

2.1 General requirements

2.1.1 The requirements of Pt 13, Ch 4, 1 Shaft alignment do not apply to the following types of craft where the main engine does not exceed 500kW power output:

  1. Service craft of less than 24 m.

  2. Yachts.

  3. ACVs.

2.1.2 The engines, shafting, sterntubes and propeller brackets are to be carefully fitted and well secured to the hull of the craft so that satisfactory alignment of the shafting will be maintained in service.

2.1.3 The alignment of the sterntube and propeller brackets is to be demonstrated before launching and the shafting and engine alignment verified when afloat.

Copyright 2022 Clasifications Register Group Limited, International Maritime Organization, International Labour Organization or Maritime and Coastguard Agency. All rights reserved. Clasifications Register Group Limited, its affiliates and subsidiaries and their respective officers, employees or agents are, individually and collectively, referred to in this clause as 'Clasifications Register'. Clasifications Register assumes no responsibility and shall not be liable to any person for any loss, damage or expense caused by reliance on the information or advice in this document or howsoever provided, unless that person has signed a contract with the relevant Clasifications Register entity for the provision of this information or advice and in that case any responsibility or liability is exclusively on the terms and conditions set out in that contract.