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 the Annual Report of Minorplanet Systems USA, Inc. (the
"Company"), on Form 10-K 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 the Company, 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 the Company.

/s/ W. Michael Smith
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W. Michael Smith
Chief Operating Officer (Principal Executive Officer)
November 25, 2003