UR M - Machinery installations

UR M41 Deleted

Superseded by UR E10 (1991)

UR M42 Steering gear - Rev.4 June 2011

UR M43 New

UR M43 Bridge control of propulsion machinery for unattended machinery spaces - 1982

UR M44 Rev9 Corr2 CLN

UR M44 Documents for the approval of diesel engines - Rev.9 Corr.2 Nov 2016

UR M45 Ventilation of machinery spaces - Rev.2 Feb 2011

UR M46 Rev1 CLN

UR M46 Ambient conditions – inclinations - Rev.1 June 2002

UR M47 New

UR M47 Bridge control of propulsion machinery for attended machinery spaces - 1983

UR M48 Deleted

Permissible limits of stresses due to torsional vibrations for intermediate, thrust and propeller shafts - Deleted Feb 2005

UR M49 Deleted

Availability of machinery - Deleted Dec 2003

UR M50 Deleted

Programme for type testing of non–mass produced i.c. engines - Deleted Feb 2015

UR M51 Rev4 Corr1 CLN

UR M51 Factory Acceptance Test and Shipboard Trials of I.C. Engines - Rev.4 Corr.1 Oct 2018 Clean.

UR M52 New

UR M52 Length of aft stern bush bearing - 1986

UR M53 Calculation of crankshafts for i.c. engines - Rev.3 June 2017

UR M54 Deleted

Deleted

UR M55 Deleted

Planned maintenance scheme (PMS) for machinery - Deleted May 2001

UR M56 Marine gears – load capacity of involute parallel axis spur and helical gears - Rev.3 Oct 2015

UR M57 New

Use of ammonia as a refrigerant - 1993

UR M58 Deleted

Charge air coolers - Deleted Feb 2015

UR M59 New

UR M59 Control & safety systems for dual fuel diesel engines - 1996

UR M60 New

UR M60 Control and safety of gas turbines for marine propulsion use - 1997

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