IACS has adopted Unified Requirements M51(Rev.4), M71, M72(Corr.1), M73 and Z26 related to tests of diesel engines. Accordingly, relevant ClassNK Rules and Guidance are being amended based upon these Unified Requirements.
Please note that the effective scheduled date of the amended Rules and Guidance is as follows:
- The amended Rules and Guidance will be applied to engines whose applications for approval are submitted to ClassNK on or after 1 July 2016.
- Requirements related to shipboard trials of diesel engines (IACS UR M51.4), however, only apply to the following engines:
- i) engines whose applications for approval are submitted to ClassNK on or after 1 July 2016; or
- ii) engines installed on new ships whose contracts for construction are dated on or after 1 July 2016
In this regard, an outline of the amendments made to the Rules and Guidance is as follows:
(1) Procedures for the shop tests of diesel engines
(2) Procedures for the shipboard trials of diesel engines (sea trials and torsional vibration measurements tests)
(3) Procedures for the approval of use of diesel engines
(4) Requirements related to material tests, non-destructive tests and hydrostatic tests for the components of diesel engines
(5) Procedures for the shop tests and type approval tests of turbochargers
(6) Procedures for the approval of mass produced diesel engines and turbochargers
Further details may be found by clicking below
Source: ClassNK
