Regs. 7 , 19
Clasification Society 2024 - Version 9.40
Statutory Documents - IMO Publications and Documents - International Conventions - MARPOL - International Convention for the Prevention of Pollution from Ships - Unified Interpretations of Annex I - 13 Designation of the type of oil tankers - Regs. 7, 19

Regs. 7 , 19

  13.1 Oil tankers must be designated on the Supplement Form B to the IOPP Certificate as either “crude oil tanker”, “product carrier” or “crude oil/product carrier”. Furthermore, the requirements contained in regulation 19 differ for different age categories of “crude oil tankers” and “product carriers”, and compliance with these provisions is recorded on the IOPP Certificate. Oil trades in which different types of oil tankers are allowed to be engaged are as follows:

  • .1 Crude oil/product carrier is allowed to carry either crude oil or product oil, or both simultaneously;

  • .2 Crude oil tanker is allowed to carry crude oil but is prohibited from carrying product oil; and

  • .3 Product carrier is allowed to carry product oil but is prohibited from carrying crude oil.

  13.2 In determining the designation of the type of oil tanker on the IOPP Certificate based on the compliance with the provisions for SBT, PL, CBT and COW, the following standards should apply.

  13.3 Oil tankers delivered after 1 June 1982 as defined in regulation 1.28.4 of less than 20,000 tonnes deadweight

  13.3.1 These oil tankers may be designated as “crude oil/product carriers”.

  13.4 Oil tankers delivered after 1 June 1982 as defined in regulation 1.28.4 of 20,000 tonnes deadweight and above

  13.4.1 Oil tankers satisfying the requirements for SBT + PL + COW may be designated as “crude oil/product carrier”.

  13.4.2 Oil tankers satisfying the requirements for SBT + PL but not COW should be designated as “product carrier”.

  13.4.3 Oil tankers of 20,000 tonnes deadweight and above but less than 30,000 tonnes deadweight not carrying crude oil, fuel oil, heavy diesel oil or lubricating oil as cargo, not fitted with SBT + PL, should be designated as “product carrier”.

  13.5 Oil tankers delivered on or before 1 June 1982 as defined in regulation 1.28.3 but delivered after 31 December 1979 as defined in regulation 1.28.2 of 70,000 tonnes deadweight and above

  13.5.1 The oil tankers satisfying the requirements for SBT may be designated as “crude oil/product carrier”.

  13.6 Oil tankers delivered on or before 1 June 1982 as defined in regulation 1.28.3 of less than 40,000 tonnes deadweight

  13.6.1 These oil tankers may be designated as “crude oil/product carrier”.

  13.7 Oil tankers delivered on or before 1 June 1982 as defined in regulation 1.28.3 of 40,000 tonnes deadweight and above

  13.7.1 Oil tankers satisfying the requirements for SBT should be designated as “crude oil/product carrier”.

  13.7.2 Oil tankers satisfying the requirements for COW only should be designated as “crude oil tanker”.

  13.7.3 Oil tankers satisfying the requirements for CBT should be designated as “product carrier”.


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