EXHIBIT 12.2 SECTION 906 CERTIFICATIONS Pursuant to section 906 of the Sarbanes-Oxley Act of 2002, I, John A. Jacobson, President and Chief Executive Officer of Offshore Systems International Ltd., do hereby certify, based on my knowledge, that: - the Annual Report on Form 20-F for the year ended November 30, 2004 of Offshore Systems International Ltd. fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934, and - the information contained in the Form 20-F fairly presents, in all material respects, the financial condition and results of operations of Offshore Systems International Ltd. Date: May 30, 2005 /s/ "John A. Jacobson" ---------------------------------------- John A. Jacobson President and Chief Executive Officer EXHIBIT 12.2 SECTION 906 CERTIFICATIONS Pursuant to section 906 of the Sarbanes-Oxley Act of 2002, I, John T. Sentjens, Corporate Controller of Offshore Systems International Ltd., do hereby certify, based on my knowledge, that: - the Annual Report on Form 20-F for the year ended November 30, 2004 of Offshore Systems International Ltd. fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934, and - the information contained in the Form 20-F fairly presents, in all material respects, the financial condition and results of operations of Offshore Systems International Ltd. Date: May 30, 2005 /s/ "John T. Sentjens" ------------------------------- John T. Sentjens Corporate Controller