Exhibit 32.1

                 MINORPLANET SYSTEMS USA, INC. AND SUBSIDIARIES

                            CERTIFICATION PURSUANT TO
                             18 U.S.C. SECTION 1350,
                             AS ADOPTED PURSUANT TO
                  SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

         In connection with this Amendment Number 1 to Annual Report of
Minorplanet Systems USA, Inc. (the "Company"), on Form 10-K/A for the period
ended August 31, 2003 as filed with the Securities and Exchange Commission on
the date hereof (the "Report"), I, W. Michael Smith, Chief Operating Officer of
Minorplanet USA, certify, pursuant to 18 U.S.C. Section 1350, as adopted
pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

     (1)  The Report fully complies with the requirements of Section 13(a) or
          15(d) of the Securities Exchange Act of 1934; and

     (2)  The information contained in the Report fairly presents, in all
          material respects, the financial condition and result of operations of
          Minorplanet USA.

/s/ W. Michael Smith
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W. Michael Smith
Chief Operating Officer (Principal Executive Officer)

Date: December 18, 2003

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