Exhibit 13      CERTIFICATIONS

I, Tor Olav Tr0im,  Director and  President and Kate  Blankenship,  Director and
Secretary of CalPetro  Tankers (Isle of Man) Limited (the  "Company"),  certify,
pursuant to Section 906 of the  Sarbanes-Oxley  Act of 2002,  18 U.S.C.  Section
1350, that:

1.   The Annual  Report on Form 20-F of the Company for the annual  period ended
December 31, 2004 (the "Report") fully complies with the requirements of Section
13(a) of the Securities Exchange Act of 1934 (15 U.S.C. 78m); and

2.   The information  contained in the Report fairly  presents,  in all material
respects, the financial condition and results of operations of the Company.


                                                        /s/ Tor Olav Troim
                                                        -----------------------
                                                        Tor Olav Troim
                                                        Director and President


                                                        /s/ Kate Blankenship
                                                        -----------------------
                                                        Kate Blankenship
                                                        Director and Secretary

                                                        Date: June 30, 2005

A signed  original of this  written  statement  required by Section 906 has been
provided to the Company and will be retained by the Company and furnished to the
Securities and Exchange Commission or its staff upon request.