What is CAS or Condition Assessment Scheme ?

  • CAS contains very specific responsibilities and deadlines for planning the survey, which must begin 8 months in advance of the survey’s commencement;
  • The flag Administration must review/monitor the survey and reporting process and issue the five-year full term CAS Statement of Compliance).

The Condition Assessment Scheme (CAS) for oil tankers was adopted in 2001 and is applicable under the MARPOL convention to all single-hull tankers of 15 years or older.

The CAS does not specify structural standards in excess of the provisions of other IMO conventions, codes and recommendations.

It identifies three categories of tankers, as follows:

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