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 Storage and use of SCR reductants

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

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