|Exhibit
      5Certification Pursuant to Section 906 of the U.S. Sarbanes ̄Oxley
      Act of 2002                                                                                                                                      
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|CAE Inc. (the
      "Company") is filing with the U.S. Securities and Exchange Commission on
      the date hereof, its annual report on Form 40 ̄F for the fiscal year ended
      March 31, 2003 (the "Report").                      
|I, D.H. Burney,
      President and Chief Executive Officer of the Company, certify, pursuant to
      18 U.S.C. section 1350, as enacted pursuant to section 906 of the U.S.
      Sarbanes ̄Oxley Act of 2002, that:                  
|(i)                                                                                                                                                                                                                                    
|(ii)                                                                                                                                                                                                                                   
|A signed original of
      this written statement required by Section 906 has been provided to CAE
      Inc. and will be retained by CAE Inc. and furnished to the Securities and
      Exchange Commission or its staff upon request.
|                                                                                                                                                                                                                                       
|/s/ D.H. BurneyD.H.
      BurneyPresident and Chief Executive OfficerAugust 7,
  2003                                                                                                                                                  



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|Certification
      Pursuant to Section 906 of the U.S. Sarbanes ̄Oxley Act of
    2002                                                                                                                                                            
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|CAE Inc. (the
      "Company") is filing with the U.S. Securities and Exchange Commission on
      the date hereof, its annual report on Form 40 ̄F for the fiscal year ended
      March 31, 2003 (the "Report").                                 
|I, Paul G. Renaud,
      Executive Vice President, Chief Financial Officer and Secretary of the
      Company, certify, pursuant to 18 U.S.C. section 1350, as enacted pursuant
      to section 906 of the U.S. Sarbanes ̄Oxley Act of 2002, that:
|(i)                                                                                                                                                                                                                                               
|(ii)                                                                                                                                                                                                                                              
|A signed original of
      this written statement required by Section 906 has been provided to CAE
      Inc. and will be retained by CAE Inc. and furnished to the Securities and
      Exchange Commission or its staff upon request.           
|                                                                                                                                                                                                                                                  
|/s/ Paul G. RenaudPaul
      G. RenaudExecutive Vice President,Chief Financial Officer and
      SecretaryAugust 7, 2003                                                                                                                          



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E72