Survey and Certification
UR Z1 Rev6 CLN
UR Z1 Annual and intermediate classification survey coverage of IMO Resolution A.1104(29) - Rev.6 Apr 2016 Clean
UR Z2 Deleted
Deleted 1994 - superseded by Z10.1
UR Z3 Rev7 CLN
UR Z3 Periodical survey of the outside of the ship's bottom and related items - Rev.7 Jan 2018 Clean
Note: UR Z3 Rev.8 will come into force on 1 July 2020 and can be found in "Revision History"
UR Z4 Deleted
Surveys of hatch covers and coamings - Deleted May 2013
UR Z5 Deleted
Deleted - Re-categorised as Recommendation No.59 (May 1999)
UR Z6 Rev6 CLN
UR Z6 Continuous system for hull special survey - Rev.6 June 2015
UR Z7 Rev26 CLN
UR Z7 Hull classification surveys - Rev.26 Jan 2018 Clean.
Note: UR Z7 Rev.27 will come into force on 1 January 2020 and can be found in "Revision History"
UR Z7.1 Rev14 CLN
UR Z7.1 Hull surveys for general dry cargo ships - Rev.14 Jan 2018 Clean.
UR Z7.2 Rev7 CLN
UR Z7.2 Hull surveys for liquefied gas carriers - Rev.7 Jan 2018 Clean.
UR Z8 Rev1 CLN
UR Z8 Corrosion protection coating for salt water ballast spaces - Rev.1 1995
UR Z9 Rev2 CLN
Corrosion protection coatings for cargo hold spaces on bulk carriers - Rev.2 1996
UR Z10.1 Rev23 CLN
UR Z10.1 Hull surveys of oil tankers - Rev.23 Jan 2018.
UR Z10.2 Rev35 Corr1 CLN
UR Z10.2 Hull surveys of bulk carriers - Rev.35 Corr.1 Sep 2018 Clean.
UR Z10.3 Rev18 CLN
UR Z10.3 Hull surveys of chemical tankers - Rev.18 Jan 2018 Clean.
UR Z10.4 Rev15 CLN
UR Z10.4 Hull surveys of double hull oil tankers - Rev.15 Jan 2018 Clean.
UR Z10.5 Rev18 CLN
UR Z10.5 Hull surveys of double skin bulk carriers - Rev.18 Jan 2018 Clean.
UR Z10.6 Deleted
Re-categorized as UR Z7.1 (June 2003)
UR Z11 Rev5 CLN
UR Z11 Mandatory ship type and enhanced survey programme (ESP) notations - Rev.5 Sept 2015
UR Z12 Deleted
Deleted - Sept 2000