UR M - Machinery installations

UR M61 New

UR M61 Starting arrangements of internal combustion engines - Dec 2003

UR M62 Deleted

Rooms for emergency fire pumps in cargo ships - Deleted June 2014

UR M63 New

UR M63 Alarms and safeguards for emergency diesel engines - Jan 2005

UR M64 Rev1 CLN

UR M64 Design of integrated cargo and ballast systems on tankers - Rev.1 July 2004

UR M65 Rev1 CLN

UR M65 Draining and pumping forward spaces in bulk carriers - Rev.1 July 2004

UR M66 Rev3 CLN

UR M66 Type testing procedure for crankcase explosion relief valves - Rev.3 Jan 2008

UR M67 Type testing procedure for crankcase oil mist detection and alarm equipment - Rev.2 Feb 2015

UR M68 Dimensions of propulsion shafts and their permissible torsional vibration stresses - Rev.2 Apr 2015

UR M69 New

UR M69 Qualitative failure analysis for propulsion and steering
on passenger ships - June 2008

UR M71 Type Testing of I.C. Engines - Corr.1 June 2016

UR M72 Certification of Engine Components - Rev.1 Mar 2016

UR M73 Turbochargers - Corr.1 June 2016

UR M74 Installation of Ballast Water Management Systems - Rev.1 May 2016

UR M75 New

UR M75 Ventilation of emergency generator rooms - Feb 2016

UR M76 Location of fuel tanks in cargo area on oil and chemical tankers - Apr 2016

Note: UR M76 Rev.1 will come into force on 1 July 2019 and can be found in "Revision History" 

UR M77 New

UR M77 Storage and use of SCR reductants - New Sep 2016

UR M78 New

UR M78 Safety of Internal Combustion Engines Supplied with Low Pressure Gas - New July 2018

Note: UR M78 New will come into force on 1 July 2019

UR M79 New

UR M79 Towing winch emergency release systems - New Oct 2018

Note: UR M79 New will come into force on 1 January 2020

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